A milium is a tiny keratin cyst — a pearl of compacted skin protein sealed beneath the surface with no opening. Milia look like whiteheads but behave nothing like them: they cannot be squeezed out, they do not respond to acne treatment, and they can sit unchanged for years.
WhatsApp Dr Sin Yong →The classification literature divides milia into primary — arising spontaneously from the lower portion of the follicular structure, common at all ages including newborns — and secondary, forming where skin has healed after blistering, abrasion, burns or procedures [1]. In both cases the story is the same: keratin that should have been shed gets trapped in a tiny cyst with no exit to the surface. Heavy occlusive eye creams are a commonly reported association around the eyes, where the skin is thinnest and the bumps most visible [2].
A whitehead sits in an open follicle: soft contents, and acne treatment reaches it. A milium is sealed and rock-firm — squeezing achieves nothing but bruising, particularly dangerous on eyelid skin. A syringoma (benign sweat-duct growth) is skin-coloured rather than white and typically clusters symmetrically under both eyes; it is treated differently again. Fine distinctions, one-glance answers for a physician with a dermatoscope — and worth getting right, because the eyelid is the last place for trial-and-error [1,2].
Physician extraction: a sterile micro-opening de-roofs the cyst and the keratin pearl is expressed whole — quick, precise, and typically markless when done properly. Multiple or recurrent milia can also be addressed with fine-tip cautery or laser assistance [2]. Secondary milia after resurfacing usually resolve or are tidied at review — a known, manageable footnote to procedures like fractional laser, covered in Dr Sin Yong's aftercare. Where milia accompany congested, rough skin, the FSX smooth-skin programme and HydraFacial manage the terrain; the milia themselves still need extraction, because no rinse dissolves sealed keratin. Under-eye milia often ride alongside dark circle concerns — one assessment covers both.
Squeezing — sealed cyst, thin skin, guaranteed trauma. Acne products — there is no active follicle to treat. Scrubs — the cyst sits below the reach of any exfoliant, and aggressive scrubbing around the eyes creates the very micro-injury that seeds secondary milia. Needle DIY from video tutorials — sterile technique and depth control are the whole procedure; on an eyelid, the margin for error is zero.
“A milium is a sealed pearl, not a blocked pore — there is no exit to squeeze it through, only skin to damage trying.”
— Dr Sin Yong
Because there is no opening. A milium is a closed keratin cyst under intact skin — pressure has nowhere to push the contents except sideways into tissue.
Some primary milia resolve over months; many persist indefinitely. Newborn milia clear spontaneously. Adult milia that have sat for a year are usually there to stay until extracted.
Momentary and minor — the opening is a fraction of a millimetre. Most patients describe a brief pinprick per lesion.
Thin skin, occlusive eye products and cumulative micro-injury make the periocular zone the classic site. Reviewing your eye-area routine is part of prevention.
Yes — secondary milia are a recognised, temporary phenomenon after resurfacing as skin re-epithelialises. They are minor and easily dealt with at review.
No — that is a mix-up with xanthelasma, the yellowish eyelid plaques linked to lipids. Milia are keratin and carry no metabolic meaning. If the bump is yellow and flat, see the xanthelasma guide.