Skin Booster Treatment Singapore: Types Compared

An East Asian woman in her 30s with dewy hydrated skin — illustrative image — Illustrative image — not a patient.

Skin booster treatment in Singapore uses injectables placed into the skin to change its quality rather than its shape, adding no volume. Several classes exist, including hyaluronic acid boosters and Profhilo®, and they are not interchangeable, so Dr Sin Yong chooses between them after assessment.

Also called: skinbooster injections, 水光针, 水光注射

Key takeaways

A skin booster is an injectable placed into the skin to change its quality, not its shape; it adds no volume.
Classes include hyaluronic acid boosters, Profhilo, polynucleotides such as Rejuran, and PDLLA; they are not interchangeable.
The class chosen depends on what the skin is short of, decided at examination rather than by brand name.
Boosters do not fill hollows, lift descended tissue, treat pigment or release tethered scars.
Treatment is planned and performed by Dr Sin Yong, a physician who can manage complications.

On this page

Key Facts
What a Skin Booster Actually Is
The Classes, and How They Differ
Where Boosters Sit Alongside Everything Else
What Determines the Cost
How often are skin boosters repeated?
Skin boosters for acne scars, pores and under-eyes: what they can and cannot do
NCTF 135HA, the 'Chanel injection': what is it?
Who should not have a skin booster?
Are skin boosters safe? The risks to know
What recovery looks like after a skin booster injection
Who it suits, who should wait, who is referred on
Before you book
Myths we hear in clinic
Skin booster classes compared: molecule, placement, purpose and who should avoid
Skin boosters vs fillers vs biostimulators: the distinction
Common planning mistakes with skin boosters

In brief

A skin booster in Singapore is chosen by what the skin lacks, because the name covers products that do different jobs. Hydrating hyaluronic acid suits dehydration, Profhilo early crepiness, polynucleotides such as Rejuran repair and texture, and PDLLA gradual firmness. None of them adds volume or changes shape, so hollows and sagging are planned with other treatments once Dr Sin Yong has examined the skin.

Key Facts

At a glance

Treatment class: Injectable skin quality treatment — distinct from dermal filler
Hyaluronic acid boosters: Non-cross-linked or lightly bonded HA. Spread through tissue planes rather than occupying space
Bio-remodelling (Profhilo®): 64 mg HA per 2 ml — 32 mg high and 32 mg low molecular weight, thermally bonded without BDDE cross-linker
Polynucleotide (Rejuran®): Polynucleotides at approximately 20 mg/ml, purified from salmon DNA; acts on fibroblast activity
PDLLA: Poly-D,L-lactic acid — a resorbable polymer acting as a collagen biostimulator
What none of them do: Add volume, alter facial shape, or substitute for structural correction

“A skin booster treats the quality of the skin. A filler occupies space. Confusing the two is the most common error patients arrive with.”
Dr Sin YongOn the distinction

What a Skin Booster Actually Is

The term covers a group of injectables that share one property: they are placed into the skin to change its quality rather than its shape. Fine lines, laxity, dullness and surface texture are the territory. Volume and contour are not.

That distinction matters more than the brand names. A patient who wants a hollow cheek corrected needs a filler. A patient whose skin has thinned and lost elasticity needs something else entirely, and giving them filler produces a face that is fuller but no better in quality.

Skin booster in Singapore by concern: which class is weighed

A skin booster in Singapore is chosen by what the skin is short of, not by brand. Dryness, early loss of firmness, thin skin and texture each point to a different class. Some concerns need a second treatment, because a booster changes skin quality and adds no volume. The table matches common concerns to the class usually weighed first.

A woman in her late thirties by a window, hand resting against her cheek — illustrative image, not a patient — Illustrative image — not a patient.

Concern	Class usually weighed	Tends to suit	Not for
Dry, dull, dehydrated skin	Hyaluronic acid skin booster	Skin with fine surface lines that looks tired	A hollow or lost volume, which needs filler
Early loss of firmness, crepey skin	Profhilo bio-remodelling	Skin that has started to soften but has not descended	Descended tissue, which needs lifting
Thin, fragile skin and fine texture	Polynucleotides, such as Rejuran	Skin where repair, not volume, is wanted	A fish allergy, as polynucleotides are purified from salmon DNA
Gradual firmness and texture change	PDLLA biostimulator, such as Juvelook	People prepared for gradual change	Anyone wanting an immediate change
Skin quality around acne scars	A booster for the skin around the scars	Scars already treated, where surface quality is the next step	Tethered scars, which need subcision first

Who a skin booster suits and who it does not

Suits: people whose concern is skin quality, meaning hydration, elasticity and texture, and who accept gradual change.
Better to wait: active infection, a cold sore, an acne flare or eczema at the injection sites; pregnancy or breastfeeding; a recent laser, peel, filler or thread in the area.
Does not suit: an allergy to a component, such as hyaluronic acid, lidocaine or fish.
Directed elsewhere: hollows, which are assessed for filler, and descended tissue, which is assessed for lifting.

How Dr Sin Yong approaches it

Dr Sin Yong examines the skin himself, with ultrasound where earlier filler is involved, and chooses the class after that assessment. He performs every injection personally. For Profhilo he uses a modified BAP: the defined points serve as the safety framework, and product is then placed where the individual face shape demands it, including into scarred skin.

On the day, numbing cream is usually applied first, and some products contain a local anaesthetic. Product is spread through fine needles or a cannula, in a pattern set by the product and the area. In some areas a cannula reduces the number of entry points. Small raised points, redness and occasional bruising follow, and settle on their own.

What decides the plan

What the skin is short of, which decides the class.
The area: a single zone or several.
The product and consumables used.
Whether a booster is combined with laser, energy-based lifting or filler.
How the initial and maintenance phases are staged, and what review shows.

For the topical adjunct that is sometimes paired with a procedure rather than injected, see exosome treatment Singapore.

The Classes, and How They Differ

A hyaluronic acid skin booster hydrates and supports the dermis. Profhilo® is the bio-remodelling variant — hybrid complexes of high and low molecular weight HA, bonded thermally rather than with a chemical cross-linker, which spread through tissue planes and stimulate rather than fill.

Three small glass ampoules of clear and pale-blue hydrating solution on white marble — Illustrative. Hyaluronic acid boosters, polynucleotides and needle-free ampoules are different classes doing different jobs.

Polynucleotides work differently again. Rejuran® delivers polynucleotide fragments purified from salmon DNA, directed at fibroblast activity and the extracellular matrix.

PDLLA acts as a scaffold, recruiting the patient's own collagen over the weeks that follow rather than adding material that stays.

Which of these suits you depends on what your skin is actually short of. That is a question for examination.

How often are skin boosters repeated?

How often skin boosters are repeated depends on which class is used and what the skin is short of; there is no single schedule that suits everyone.

Most plans have two phases. An initial phase builds the effect, with treatments spaced to suit the product — hyaluronic acid boosters, Profhilo®, polynucleotides and PDLLA each have their own rhythm because they work differently. A maintenance phase follows, with treatments spaced further apart, timed by how your skin holds the change rather than by the calendar alone.

What shapes the timing is the same set of factors that shape the choice of booster: the condition of the skin, age, sun exposure, smoking, and whether other treatments such as laser or energy-based lifting are in the same plan. Hyaluronic acid is broken down by the body over time, while collagen-directed classes rely on your own tissue response, which varies between people.

Rather than fixing the whole course in advance, the plan is reviewed after each phase. If your skin is holding well, the interval lengthens; if a different class would serve you better, that is discussed.

Skin boosters for acne scars, pores and under-eyes: what they can and cannot do

Skin boosters are often requested for acne scars, enlarged pores and the under-eye area, and in each case they help with one part of the problem rather than the whole of it.

For acne scars, a booster can improve the quality of the skin around the scars, but it does not release tethered scars or rebuild a scar base. Those jobs belong to subcision, RF microneedling, fractional CO2 resurfacing and TCA CROSS, matched to the scar type; a booster may sit alongside them in a plan.

For pores, better hydration and dermal support can make the surface look smoother, but a pore is a structure and no injection shrinks it. Dermal remodelling with energy-based treatment addresses the collagen around pores more directly.

Under the eyes, polynucleotides and other boosters can act on thin, crepey skin. They do not correct a tear trough hollow, which is a volume deficit, and they do not reduce herniated fat. Which of these is present is established at assessment before any product is chosen.

Skin booster classes compared — and where a filler fits instead
Option	What it does	What it cannot do	Typical recovery	Who it tends to suit
Hyaluronic acid skin booster	Hydrates and supports the dermis, spreading through tissue rather than occupying space	Add volume, change facial shape or lift descended tissue	Small raised injection points, redness or bruising that settle	Dehydrated, dull skin with fine surface lines
Profhilo® bio-remodelling	Hybrid high and low molecular weight HA, thermally bonded, spreads through tissue planes and stimulates rather than fills	Replace a filler where volume or contour is the issue	Small bumps at the injection points that settle	Early loss of firmness and crepey skin quality
Polynucleotides (Rejuran®)	Delivers purified polynucleotide fragments directed at fibroblast activity and the extracellular matrix	Add volume or correct a hollow	Visible bumps at injection points for a short period, with possible redness or bruising	Thin or fragile skin and texture concerns where repair, not volume, is wanted
PDLLA biostimulator	A resorbable polymer that acts as a scaffold, recruiting the patient's own collagen over the following weeks	Give an immediate change or restore structural volume	Possible swelling, redness or small bumps that settle	People prepared for gradual change in skin firmness and texture
Deep Synergy Booster (needle-free)	Delivers actives from the surface using focused ultrasound, without a needle	Place product at a chosen depth, as an injectable can	Usually little visible marking; varies with the skin	Patients who prefer a needle-free route and accept the trade-off in placement
Dermal filler (for comparison)	Occupies space to restore or create volume and contour at specific points	Improve the quality, hydration or elasticity of the skin itself	Possible swelling and bruising that settle	Hollows and contour loss rather than skin-quality concerns

Who should not have a skin booster?

A skin booster is deferred where there is active infection, inflammation, a cold sore, an acne flare or eczema at the injection sites, and in pregnancy and while breastfeeding. It is not used in anyone allergic to a component of the product chosen: hyaluronic acid for HA boosters and Profhilo®, and fish for polynucleotides such as Rejuran®, which are purified from salmon DNA. Products containing lidocaine are avoided where there is a local anaesthetic allergy.

Caution, rather than a flat refusal, applies to autoimmune disease, a history of severe allergic reactions, a tendency to keloid scarring, and a bleeding tendency or blood-thinning medicines. Previous filler or threads in the area, and a recent laser or peel, change the timing. A booster is also the wrong treatment for anyone whose main concern is a hollow, descent or pigment, because it addresses none of those. Which class suits, and whether any does, is decided at consultation.

Are skin boosters safe? The risks to know

Skin boosters place small amounts of product in the skin, but they are still injections and carry risks that are explained beforehand. Expected effects are small raised points, redness, swelling, tenderness and bruising, which settle on their own.

Less common are lumps or nodules where product sits unevenly or too superficially, a bluish tint where hyaluronic acid lies too close to the surface, a flare of cold sores, and infection. Delayed inflammatory reactions, appearing weeks later as tender swelling, are rare, as are allergic reactions, which is why component allergies, including fish allergy for polynucleotides, are asked about directly. Any injectable carries a small risk of product entering a blood vessel; with fine superficial placement it is uncommon, but pain, blanching or dusky skin after treatment needs prompt attention.

These risks are reduced by choosing the class for the skin, sterile technique, placement at the right depth for each product, and treatment by a doctor who can manage a complication.

Skin booster classes compared by molecule, placement, purpose and who should avoid
Class	Molecule class	How placed	What it is for	Who should avoid
Hyaluronic acid (Profhilo-type)	Hyaluronic acid; Profhilo uses thermally bonded high and low molecular weight chains	Fine injections that spread through tissue planes	Hydration, dermal support and early loss of firmness	Allergy to hyaluronic acid or lidocaine; infection or acne flare at the sites
PN or PDRN (Rejuran-type)	DNA-derived polymers, purified from salmon in Rejuran; PDRN fragments are shorter	Many small injections into the dermis, with bumps at first	Thin, fragile skin and texture where repair, not volume, is wanted	Fish allergy; infection at the sites; pregnancy or breastfeeding
PLLA or PDLLA biostimulator (not a booster)	Poly-lactic acid polymers acting as a scaffold for the body's own collagen	Injected by a doctor at a depth chosen for the product	Gradual change in firmness and texture, judged later	Allergy to a component; infection; pregnancy; bleeding tendency needs caution
Exosome (topical)	Extracellular vesicles of roughly 30 to 150 nm, from cell culture or plants	Applied to the skin surface, usually after laser or microneedling; not injected	An adjunct after a procedure; the human evidence is early	Open or infected skin; allergy to an ingredient; expecting a stated result

Choosing the right skin booster for your situation

Choosing the right skin booster starts with what your skin is short of, which the concern table on this page covers. The second filter is your situation: what else is in the face, what is coming up, and what you cannot have. These change the choice, or the timing, as often as the skin does.

Your situation	What usually happens	Why
First booster, skin dry and dull, nothing else planned	A hyaluronic acid booster is usually weighed first	Hydration is the commonest gap, and the plan can change at review
Filler already in the area	The area is examined first, with ultrasound where earlier filler is involved	What is already there decides whether a booster adds anything, and where it goes
Fish allergy	Polynucleotide boosters such as Rejuran are avoided	They are purified from salmon DNA
Recent laser, peel, filler or thread in the area	The booster is timed around it rather than added by default	Skin that is still settling is reviewed before more is placed
An event coming up	Timing is planned backwards from the date	Small raised points, redness and occasional bruising follow injection and need time to settle
Pregnant or breastfeeding	Treatment waits	Elective injectables are deferred as a precaution

Two more questions are worth asking yourself. First, is the problem really quality, or is it shape? A booster adds no volume and lifts nothing, so a hollow is assessed for filler and descended tissue for lifting. Second, do you want a quick change or a gradual one? Hyaluronic acid boosters act on hydration, while collagen-directed classes such as PDLLA rely on your own tissue response, which builds gradually and varies between people.

Dr Sin Yong examines the skin himself and performs every injection personally. For Profhilo he uses a modified BAP: the defined points are the safety framework, and product is then placed where the individual face shape demands it, including into scarred skin. If none of the classes fits your situation, that is said plainly, and no treatment is always one of the options. How the brands map onto the classes is set out in skin booster types, and what to do afterwards is on skin booster aftercare.

Skin boosters vs fillers vs biostimulators: the distinction

Three words are used loosely in this field, and the differences decide what you are actually buying. A dermal filler occupies space: it is placed at specific points to restore or create volume and contour. A skin booster does not occupy space; it spreads through the dermis and acts on its quality, meaning hydration, elasticity and texture, and it adds no volume or change of shape. A biostimulator is an injectable that prompts the body to lay down its own collagen over time, so its effect develops gradually and is judged later. Radiesse, Sculptra (PLLA) and Ellansé (polycaprolactone) belong to that group, and the brand name is less informative than the mechanism.

The classes overlap at the edges, which is where confusion starts. Profhilo is hyaluronic acid but is designed to stimulate as well as hydrate, so it sits between a booster and a biostimulator. PDLLA is placed into the skin like a booster but acts as a scaffold for collagen. There is a practical difference as well: hyaluronic acid can be dissolved with hyaluronidase, whereas biostimulators cannot. A hollow cheek needs a filler, thin crepey skin needs something that acts on quality, and descended tissue needs a lifting mechanism, so choosing the wrong category gives a result that is fuller but no better in quality.

Frequently Asked Questions

Often, yes, but the area is examined first. Where earlier filler is involved, Dr Sin Yong uses ultrasound to see what is already there before adding anything. A booster works on skin quality and adds no volume, so it does not replace or correct filler. If old filler is causing puffiness, that is addressed before any booster is planned.

Yes. The class is chosen by what the skin is short of, and that can change. A plan might start with hydration and later move to a polynucleotide or bio-remodelling class if review shows a different need. Switching is decided at review rather than by habit or brand, and the reason for any change is explained.

Yes. The assessment is the same: what the skin is short of decides the class. Men’s skin is often thicker and oilier, which can change the product, the placement and the areas treated. Beard areas, shaving routines and any recent procedures are discussed so the plan fits daily life.

PN stands for polynucleotides: long chains of nucleotides purified from salmon DNA, used as a skin booster for thin, fragile skin and fine texture where repair rather than volume is wanted. Rejuran is one example. A PN booster adds no volume and does not lift, and small bumps at the injection points settle afterwards. Because it is derived from fish, a fish allergy is a reason not to use it.

They answer different problems. Hyaluronic acid filler placed deep along the tear trough restores volume where a true hollow casts a shadow, and it can be dissolved with hyaluronidase. Polynucleotides, such as Rejuran I, add no volume; they are placed in the thin lower-lid skin to improve its quality where it has become crepey or finely lined. A hollow needs volume, crepey skin needs skin-quality work, and many under-eyes are assessed for both.

A hyaluronic acid skin booster is usually the class weighed first for dryness and dullness, because it hydrates and supports the dermis. Where the skin has also started to lose firmness, Profhilo may be discussed instead. The choice follows an examination of what the skin is short of. A booster will not correct a hollow; that is a filler question.

They work differently. Profhilo is a hybrid hyaluronic acid that spreads through the tissue to hydrate and support early loss of firmness. Rejuran is a polynucleotide, directed at thin or fragile skin and texture, and it tends to leave more visible bumps at first. Rejuran is avoided with a fish allergy. Dr Sin Yong chooses between them after examining your skin.

Do not stop a prescribed medicine on your own. Declare blood-thinning medicines, supplements and any autoimmune condition at consultation, because they affect bruising and planning. Mention allergies to hyaluronic acid, lidocaine or fish. Avoid tanning beforehand, and tell the clinic about a recent laser, peel, filler or thread in the area so the booster can be timed around it.

Yes, with enough time planned for the injection points to settle. Small bumps, redness and occasional bruising are expected, and they are more visible with some classes than others. How quickly they settle depends on the product, the area and your skin, so the timing is planned backwards from the date at consultation.

A skin booster is an injectable treatment directed at the quality of the skin rather than its shape. It is placed into the dermis to act on hydration, elasticity and texture. Unlike a dermal filler, it adds no volume and does not alter facial contour.

A dermal filler occupies space and changes contour; it is placed in specific locations to restore or create volume. A skin booster spreads through tissue and acts on the skin itself. They answer different complaints, and a patient wanting better skin quality is not helped by added volume.

The right skin booster depends on what the skin is short of. Hyaluronic acid boosters address hydration and dermal support. Polynucleotides act on fibroblast activity. PDLLA and similar biostimulators recruit the patient's own collagen over time. Suitability is decided at in-person assessment rather than by choosing from a menu.

Skin boosters are used across skin types, but suitability is assessed individually. Active infection or inflammation at the treatment site, certain medical conditions, pregnancy, and known sensitivity to a product's components are among the things considered at assessment.

Cost depends on which class of booster is appropriate, how many areas are treated, and how the plan is staged. Because the right approach differs between patients, a figure quoted before assessment would not be meaningful. Pricing is discussed at consultation once the plan is clear.

A skin booster injection session distributes product across the treatment area through fine needles or a cannula, with the pattern determined by the product and the area. Comfort is discussed and managed during the session.

水光针 is the popular term for hydrating micro-injections, usually of hyaluronic acid placed in many small points across the face. It is one type of skin booster, but the term is used loosely; polynucleotides, Profhilo® and PDLLA are different classes doing different jobs.

Small raised points at the injection sites are expected and settle on their own. They tend to be more noticeable with polynucleotides than with hyaluronic acid boosters. Redness and occasional bruising are also possible, and what to expect for your product is explained beforehand.

It depends on the class. Hyaluronic acid boosters mainly hydrate and support the dermis; Profhilo® is designed to stimulate as well as hydrate; PDLLA acts as a collagen biostimulator; polynucleotides are directed at fibroblast activity. The class is chosen for what your skin needs.

Yes, and they often are. A booster addresses the dermal environment, while lasers address pigment and surface texture and energy-based lifting addresses descended tissue. The order and spacing of treatments are planned so each does its own job.

It depends on the class. Hyaluronic acid boosters are broken down gradually by the body, so their hydrating effect fades unless it is maintained, while collagen-directed classes such as PDLLA and polynucleotides work through your own tissue response, which develops slowly and varies between people. Age, sun exposure, smoking and the condition of the skin all affect how long a change holds. Rather than a fixed duration being promised, the plan is reviewed after the initial phase and maintenance is timed by how your skin is holding.

Most people describe a series of small pricks with some stinging as the product goes in, and the sensation varies with the area, the product and individual sensitivity. Numbing cream is usually applied beforehand, some products contain a local anaesthetic, and in some areas a cannula reduces the number of entry points. The skin around the mouth and under the eyes tends to feel more sensitive than the cheeks. Comfort is checked during the session, and it is fine to ask for a pause.

Mesotherapy describes a technique: many small, superficial injections of a solution into the skin. A skin booster describes a purpose: improving skin quality rather than shape. Some boosters are delivered by a mesotherapy technique, others by fewer deeper injection points or a cannula, so the two terms overlap without meaning the same thing.

No. NCTF 135HA is non-cross-linked hyaluronic acid with added vitamins, amino acids and other ingredients, used mainly for hydration. Rejuran is a polynucleotide booster directed at fibroblast activity, and Profhilo is a thermally bonded high and low molecular weight hyaluronic acid designed to spread through tissue and stimulate as well as hydrate. Each answers a different shortfall in the skin.

The cost follows the plan rather than a fixed list. It depends on the area treated, what the assessment finds, which class and amount of product is used, whether a booster is combined with laser or energy-based treatment, and how the plan is staged. A written quote is given at consultation after assessment, before anything is agreed, and the consultation decides whether treatment is advised.

It can suit people whose concern is skin quality, such as dullness, dehydration, fine lines, crepey texture or early loss of firmness, and who accept gradual change. It is not worth choosing for hollows, descended tissue, pigment or tethered scars, which a booster does not address. Whether it suits you, and which class, is decided at examination.

Small raised points, redness, swelling and bruising are expected and settle on their own, and polynucleotides can leave more visible bumps at first. Less common risks include lumps, a bluish tint, cold sore flares and infection. A booster adds no volume, does not lift tissue or treat pigment, and collagen-directed classes work gradually, so effect is judged later.

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Medically reviewed by Dr Sin Yong, MBBS (NUS), MRCS (Edinburgh) · Last updated 21 October 2026 · Editorial policy

Skin Booster Treatment in Singapore

Key Facts

What a Skin Booster Actually Is

Skin booster in Singapore by concern: which class is weighed

Who a skin booster suits and who it does not

How Dr Sin Yong approaches it

What decides the plan

The Classes, and How They Differ

Where Boosters Sit Alongside Everything Else

What Determines the Cost

Factors discussed at consultation

How often are skin boosters repeated?

Skin boosters for acne scars, pores and under-eyes: what they can and cannot do

NCTF 135HA, the 'Chanel injection': what is it?

Who should not have a skin booster?

Are skin boosters safe? The risks to know

What recovery looks like after a skin booster injection

Who it suits, who should wait, who is referred on

Tends to suit

Better to wait

Referred on

Before you book

Myths we hear in clinic

Skin booster classes compared: molecule, placement, purpose and who should avoid

Choosing the right skin booster for your situation

Skin boosters vs fillers vs biostimulators: the distinction

Do skin boosters actually work? What the studies measured

Go deeper on Skin Booster

Common planning mistakes with skin boosters

What it is not

Frequently Asked Questions

Dr Sin Yong explains

Speak With Dr Sin Yong

References