Polymethyl Methacrylate

Polymethyl Methacrylate is a synthetic acrylic polymer of methyl methacrylate, often supplied as spherical particles. In cosmetics it works as a film former and texturizer, adding slip, blurring unevenness, and improving wear.
Like this ingredient?

Snapshot

Overview
Tiny acrylic particles that blur the look of pores and smooth skin.
Category
Tone/Texture, Skin Conditioning
Type
Film Former

Ratings

Overall Rating

Good

Comedogenic Risk

None

Not typically evaluated for comedogenicity — no standardized rating available.

Is Polymethyl Methacrylate a Good Ingredient?

Good rating for its stable, inert film-forming spheres that reliably blur texture and improve wear without reactive chemistry. It improves slip and finish in many formats with a low likelihood of irritation for most users.

Skin Benefits

Visibly smooths the skin’s surface for a refined, pore-blurring look and cushioned feel. Helps color products wear more evenly across the day.

Uses in Skincare & Cosmetics

Frequently found in primers, liquid and powder foundations, and finishing powders to create a polished canvas. Also used in sunscreens and tinted moisturizers for improved glide.

Safety

Typically well tolerated and non-reactive, with irritation uncommon. Very sensitive users may notice mild dryness or transient discomfort. If in loose powders, avoid inhaling dust.