What it is
Kaolin is a fine, soft clay composed mainly of the mineral kaolinite. In skincare and makeup it absorbs oil and moisture, which helps mattify the skin and improve the feel and payoff of powders and creams. In tone-up and matte-finish sunscreens it is often included to reduce surface shine and contribute to a smooth, soft-focus appearance.
Safety & warnings
Kaolin is generally well tolerated on the skin and is not a recognized fragrance allergen; as an oil-absorbing clay it is not associated with comedogenicity. As with any fine powder, avoid inhaling loose product.
Origin & sourcing
Natural mineral clay mined from kaolin deposits, then refined and purified for cosmetic use.
History
Kaolin takes its name from the Kao-ling hills in China and has a long history of use in ceramics and as a cosmetic and skincare clay.
Questions everyone asks
Why is kaolin added to sunscreen?
It absorbs excess oil and helps mattify the skin, contributing to a smooth, less shiny finish in tone-up and matte sunscreens.
Is kaolin natural?
Yes, it is a naturally occurring clay mineral that is mined and then purified for cosmetic use.