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MICA

Last update on Feb 13, 2026

Mica (CI 77019) is a mineral that occurs naturally and is widely used to add sparkle and shimmer to cosmetic products. It is also sometimes used in skincare products to add a highlighting effect. Eyeshadows, bronzers, or highlighters with a shimmery appearance, almost always have Mica in it.

CAS Number: 12001-26-2Chem/IUPAC Name: Mica-group minerals (CI 77019) EINECS/ELINCS No: COSING REF No: 35360

Products with MICA

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What is MICA used for?

Mica is responsible for adding glam and shimmer to decorative cosmetics which would otherwise be a lot duller! Its light-reflecting properties make the makeup stand out and shine. Additionally, Mica powder has a few functional properties as well, which include aiding the ingredients in a cosmetic product to blend well and result in a smooth, clump-free texture. Further, mica in makeup improves skin adhesion, keeping the product looking fresh all day. Mica skincare is also available for a quick glow.

Origin

Mica is a group of silicate minerals that is naturally present in schists, pegmatites, and granites. They are then extracted in the mica mining industry to separate the powder.

What does MICA do in a formulation?

OPACIFYING|
COSMETIC COLORANT|
ABSORBENT|
BULKING

Safety Profile

Mica is a safe and non-toxic ingredient for use in cosmetic products because it is derived from natural sources. It has a low hazard rating from EWG (typically 1-2) with minimal concerns for irritation or sensitization. The primary concern is inhalation of respirable particles (possible lung irritation), so only non-respirable grades are used in loose powders. Makeup with mica has close to no side effects when applied on the skin.

MICA alternatives

MICA technical profile

PropertyValues
Melting Point1300°C
SolubilityInsoluble in water