Characteristics
- INCI
- Magnesium Stearate
- CAS
-
557-04-0
This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.
- EC
-
209-150-3
This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.
- IUPAC
- Magnesium Distearate
- Functions
- anticaking, bulking, cosmetic colorant, moisturising
- Irritancy
-
0 / 5
Irritation potential: 0–5, where 5 is the highest irritation rating for the ingredient.
More detail → - Comedogen.
-
1 / 5
Comedogenicity index: 0–5. A non-comedogenic ingredient (0–1) is unlikely to cause cosmetic acne.
More detail → - EU Restr.
-
IV/150
EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.
More detail →
Для кого подходит
Description
Magnesium Stearate is a fine, white powder made from magnesium and stearic acid, a fatty acid often derived from plant oils or animal sources. In cosmetics, it’s used mostly as a texture helper and anti-caking agent, especially in pressed powders, foundations, blushes, eyeshadows, and some dry shampoos. It helps powders feel smoother, spread more evenly, and stay blended instead of clumping.
For skin, magnesium stearate doesn’t act like a treatment ingredient, but it can improve how a product sits and wears. It may give makeup a silkier, more adherent finish and help reduce fallout in powder formulas. In hair products, it can contribute to a drier, less sticky feel and support product flow in aerosol or powder formats. People who like lightweight, matte, or long-wearing formulas may appreciate it.
Caveat: magnesium stearate is generally considered a functional ingredient rather than an active one, so it’s not there to hydrate, brighten, or treat skin concerns. Very sensitive users may prefer to patch test any new powder product, since the full formula matters more than this ingredient alone.
Found in products (1 374 total)
Наиболее часто встречается в продукции Essence (29 продуктов)
