Properties and uses: Black clay typically contains silica, aluminum oxide, iron oxide, magnesium, and other minerals. Iron oxide is the main component that gives the clay its black color. It is used in face masks for deep cleansing and purification of the skin. In cleansing products, it makes the skin feel fresher and cleaner. In peels, it smooths and renews the skin surface. In shampoos and hair masks, it cleanses the hair and makes it look healthy. In body care products, it makes the skin soft and smooth. It can be used in products formulated for sensitive skin.

Physical Structure: It is black in color and can be dark gray or black depending on its mineral content. It is fine and powdery, with a cool and smooth texture, and disperses homogeneously in products. It is resistant to light and high temperatures.

Recommended pH range: The recommended pH for face masks and cleansers is in the range of 4.5-5.5. In face masks and cleansers, this pH range provides effective cleansing compatible with the skin, maintaining the skin's natural acidic pH balance. In peels and scrub products, the pH should be in the range of 4.5-7.0. A pH in this range gently removes dead skin cells while protecting the skin barrier and minimizing the risk of irritation. In hair care products, a pH in the range of 4.0-6.0 maintains the hair's natural pH balance and supports scalp health. It prevents excessive alkalinity on the scalp. For body care products, a pH of 4.5-6.0 is suitable. In this range, effective cleansing and care are provided on the skin, while also maintaining the skin's natural balance.

Solubility: Black clay is insoluble in water. However, when mixed with water, it forms a suspension and disperses effectively in formulations.

Function: Black clay helps absorb excess oil, cleanse pores, and smooth the skin. It helps rid the skin of dirt and excess oil. With its mild abrasive properties, it helps remove dead skin cells. It cleanses hair follicles and removes excess oil and dirt from the scalp. It provides a gentle effect for sensitive skin, reduces irritation, and soothes the skin.

Recommended usage rate: The recommended rate for face masks is between 5-20%. Higher rates provide effective cleansing and mattifying. In cleansers, kaolin clay at 1-10% provides a cleansing effect while maintaining the skin's natural balance. In peeling products, the use of kaolin clay between 2-10% is suitable. In hair care and skin care products, it can be used at a rate of 1-5%.