Silica

Category: Thickener, Absorbent, Anti-caking agent

Brief description: Naturally occurring mineral used in cosmetics for its oil-absorbing and light-diffusing properties.

Benefits: Helps improve product texture, reduces shine, diffuses light for a soft-focus effect.

Skin type suitability/concerns: Generally suitable for all skin types.

Target audience: Those seeking makeup with a matte finish or skincare to control oiliness.

Chemical composition: Silicon dioxide.

Physical aspect: Fine white powder.

Compatibility: Compatible with a wide range of cosmetic ingredients.

Concentration: Varies based on the product, usually a small percentage of the total formula.

Side effects/adverse reactions: Generally safe; inhalation of loose powder should be avoided.

Regulatory status: Approved by FDA for use in cosmetics.

Sustainability/ethical considerations: Abundant natural resource, but mining can have environmental impacts.

Variants: Comes in several forms, including hydrated silica, silica silylate, and silica dimethyl silylate.