Silica
Silicon dioxide / Amorphous silica (cosmetic grade)
Amorphous silica: safe; crystalline silica (quartz, cristobalite): IARC Group 1 carcinogen (occupational inhalation), must not be used; cosmetic grade silica is amorphous; verify specification; silica in spray products, avoid respiratory exposure
Function & Common Use
Absorbent / Bulking Agent / Anticaking
Viscosity Agent
Pressed powders foundations setting powders dry shampoos
Mineral (synthetic)
Concentration Limits
No formal limit
Amorphous form only (not crystalline quartz, carcinogen)
Baby restriction: Avoid crystalline silica; avoid aerosol application
Frequently Asked Questions
Is Silica safe to use in skincare?
Silica has a Low concern rating from The Clean Sheet. Amorphous silica: safe; crystalline silica (quartz, cristobalite): IARC Group 1 carcinogen (occupational inhalation), must not be used; cosmetic grade silica is amorphous; verify specification; silica in spray products, avoid respiratory exposure
Is Silica allowed in India?
Silica is currently classified as "Permitted" under Indian cosmetics regulations. The maximum permitted concentration is No formal limit.
What is Silica used for in cosmetics?
Silica functions as: Absorbent / Bulking Agent / Anticaking. It is commonly found in: Pressed powders foundations setting powders dry shampoos.
Is Silica safe for babies?
Silica has baby/child restrictions: Avoid crystalline silica; avoid aerosol application. Avoid using products containing this ingredient on infants unless specifically formulated and labelled for baby use.
Regulatory Status
Identifiers
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