Illite
What Illite is & what it does
Illite is a naturally occurring clay mineral, a hydrated potassium aluminum silicate, and is the main component of several cosmetic clays including some green and yellow clays. In formulas it is commonly used as an absorbent and bulking agent, drawing up excess oil and giving structure to masks and cleansers. It is insoluble and typically used in rinse-off treatments and powders. It is not a UV filter and carries no concerns flagged here.
What is Illite?
Illite is a natural clay mineral, a hydrated potassium aluminum silicate, and is the main component of several cosmetic clays. It is used as an absorbent and bulking agent.
What does Illite do in skincare?
It absorbs excess oil and adds structure, so it is common in clay masks, cleansers, and powders. It is insoluble and used mostly in rinse-off products.
Is Illite safe?
It is a mineral clay generally considered safe for topical use, with no concerns flagged here. Clay-based products can feel drying, so very dry skin may want to use them less often.
Sunscreens with Illite
We rate 3 sunscreens that contain it:
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Bionike Defence Sun Mattifying Face Cream
94/100
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Ahava Facial Skin Shield SPF 50+
65/100
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The Body Shop Extra Virgin Minerals Loose Powder Foundation SPF 25
49/100