Researched by Helena DeMaria-Williams
Formula IngredientViscosity Controller / AbsorbentHectorite
INCI: Hectorite
Hectorite is a naturally occurring smectite clay mineral (a magnesium lithium silicate) named after Hector, California, where it was first identified. In cosmetics it serves primarily as a viscosity-controlling agent and oil absorbent, helping to thicken formulations, suspend pigments, and provide a mattifying effect. It is widely used in foundations, powders, eyeliners, masks, and dry shampoos.
Category
Viscosity Controller / Absorbent
Irritation Risk
Low
Skin Types
oily, combination, normal, acne-prone
What does this do in a formula?
viscosity control, oil absorption, mattifying, pigment suspension, texture improvement
Is Hectorite safe? Key considerations
Can Hectorite cause irritation?
Low RiskGenerally well tolerated. The CIR (Cosmetic Ingredient Review) panel has assessed hectorite as safe for use in cosmetics. No EU Annex restrictions apply. As a clay mineral, it sits on the skin surface and does not penetrate.
Does Hectorite increase sun sensitivity?
No RiskNo photosensitivity concerns associated with hectorite.
Is Hectorite safe during pregnancy?
SafeNo known pregnancy concerns. Hectorite is an inert clay mineral that is not systemically absorbed through topical application.
How does Hectorite work?
Hectorite is a naturally occurring smectite clay mineral (a magnesium lithium silicate) named after Hector, California, where it was first identified. In cosmetics it serves primarily as a viscosity-controlling agent and oil absorbent, helping to thicken formulations, suspend pigments, and provide a mattifying effect. It is widely used in foundations, powders, eyeliners, masks, and dry shampoos.
Individuals with very dry or dehydrated skin (in high-concentration products) should review the considerations above before use.
Which products contain Hectorite?
Shop products that contain Hectorite
