ByeAcne/Problem
Milia vs Whiteheads: How to Tell, How to Treat
Tiny hard white "pearls" that won't pop are milia, not whiteheads. The difference matters: squeezing a milium is a fast path to a scar.
Reviewed by a licensed physician · Updated May 2026
Milia and whiteheads look superficially similar — small white bumps on the face, usually around the eyes, cheeks, or nose — but they're fundamentally different conditions and need different treatment. Misidentifying a milium as a whitehead and squeezing it is one of the most common ways people give themselves small permanent scars.
Milia are tiny (1-2mm) keratin-filled cysts trapped under intact skin. They feel hard like tiny pearls, they don't respond to topicals because there's no path for the active ingredient to reach the contents, and they can persist for months or years. They form when surface skin cells don't shed properly and become entrapped in small pockets — common around the eyes (where the skin is thin and prone to it), after sun damage, after laser treatments, and as a normal phenomenon in newborns.
Whiteheads are inflammatory pimples with a visible follicular opening — pus and sebum visible at the surface, the "white head" indicating the lesion is close to resolving. They're soft, they're inflammatory, and they have a path to drain.
The extraction technique for milia is simple but requires a sterile needle: a clinician uses a 18g or 21g needle to nick the skin over the milium, then expresses the contents with a comedone extractor. The procedure takes about 30 seconds per milium and is essentially painless. New milia can form in the same area over time but the existing ones don't recur once removed.
For prevention, a nightly topical retinoid (tretinoin) modestly reduces new milia formation by promoting normal cell turnover. Daily SPF prevents the sun damage that contributes to many cases.
Why DIY almost always scars
The skin over a milium is unbroken and tough; it doesn't yield to fingernail or squeezing pressure. People who try to express milia at home end up applying enough force to tear the skin in an uncontrolled way, leaving a small depressed scar exactly where the milium was. A sterile needle nick, by contrast, opens a tiny precise path that heals without leaving a mark.
For repeat milia in the same person, an in-office "milia extraction" appointment costs much less than the cumulative damage of self-extractions. The procedure is fast enough that 5-10 milia can be removed in a single visit. Some aestheticians are trained in it as well; check that they use sterile single-use needles.
Treatment options a doctor may consider
- In-office sterile needle extraction
30 seconds per milium. Done by dermatologist or trained aesthetician. Not for self-attempt.
- Nightly tretinoin
Modestly reduces new milia formation. Especially useful for people who get them repeatedly.
- Daily SPF 30+ mineral
UV damage contributes to many milia, especially under the eyes. Mineral SPF tolerated best in that thin-skin zone.
- Lactic or glycolic acid 8-10% serum 2x/week
Mild chemical exfoliation to encourage normal cell shedding. Won't clear existing milia but helps prevent new ones.
Your specific regimen depends on your medical history, current medications, and intake photos. Only your physician can determine what's appropriate.
Who this applies to
Anyone with tiny hard white bumps that have persisted for weeks or months and don't respond to acne treatment. Especially common under the eyes and after laser treatments or sun damage.