Fuller's earth is also known as calcium bentonite powder, fullers clay, and oil absorbing clay. It's a non-plastic variety of kaolin that contains aluminum magnesium silicate. 

Fuller's earth is formed from the decomposition of volcanic ash and is similar to kaolin clay. It has many properties, including: Exfoliating, Anti-pollution, Smoothing, Highly absorbent, and Rejuvenating.

Fuller's earth, also known as multani mitti, is a clay material that has many uses in cosmetics, including: 

• Binding ingredients: Fuller's earth can bind other ingredients in cosmetics. 

• Preventing caking: Fuller's earth can prevent other powders from caking together. 

• Exfoliating: Fuller's earth can gently exfoliate the skin, removing dead skin cells and impurities. This can help with blackheads, whiteheads, and acne. 

• Stabilizing products: Fuller's earth can stabilize cosmetics. 

Fuller's earth is also used in skincare products like masks and facial clays to treat acne and wrinkles. It can help with skin tone and complexion by removing dark spots, blemishes, and hyperpigmentation. Fuller's earth can also help regulate sebum production, making it suitable for oily and combination skin. It can absorb excess oil and reduce shine, which can help reduce the appearance of enlarged pores and prevent acne.