K

​

Kaolin Clay

A natural clay which offers adhesion to cosmetic products. Absorbs oil, and drives out impurities, so it’s great for an oily/acneic skin.

​

Kojic Acid

This skin lightener, especially popular in Japan, has been proven to be effective at blocking the production of new melanin in the skin, but it can also cause skin irritation when used in higher concentrations.