Kaolin Clay is in some Shea Moisture Products like the African Black Soap Purification Mask and the Coconut & Hibiscus Co-Wash. So while not even close to being famous like Bentonite and Rhassoul, I'd argue it may be a bit more mainstream than we think
Shea Moisture Coconut and Hibiscus Co-Wash
Deionized Water, Cocos Nucifera (Coconut)Oil*, Butyrospermum Parkii (Shea Butter)*, Magnifera Indica (Mango) Seed Butter*, Olea Europaea (Olive) Fruit Oil, Triticum Vulgare (Wheat) Germ Oil, Cetyl Esters, Kaolin Clay, Grapeseed Oil, Simmondsia Chinesis (Jojoba) Seed Oil, Behentrimonium Chloride (Conditioner), Hibiscus Sabdariffa Extract, Salix Alba (Willow) Bark Extract, Melia Azadirachta (Neem) Seed Oil, Cetyl Alcohol, Vegetable Protein, Hydroxyethyl Cellulose, Stearyl Alcohol, Aloe Barbadensis Leaf Juice, Tocopherol (Vitamin E), African Black Soap Extract, Sea Salt, Rosemary Extract, Caprylyl Glycol *Certified Organic Ingredient
Shea Moisture African Black Soap Purification Masque
Deionized Water, Cocos Nucifera(Coconut) Oil*, Butyrospermum Parkii (Shea Butter)*, Mangifera Indica(Mango)Seed Butter*, Persea Gratissima (Avocado) Oil , African Black Soap Extract, Sea Salt, Cetyl Esters, Kaolin Clay, Grapeseed Oil, Simmondsia chinensis seed (Jojoba) Oil, Behentrimonium Chloride (Conditioner), Salicylic Acid, Salix Alba (Willow)Bark Extract, Melia Azadirachta (Neem) Seed Oil, Melaleuca Alternifolia (Tea Tree) Leaf Oil, Sorbitol Esters, Aloe Vera Leaf Juice, Tocopherol (Vitamin E), Rosemary Extract, Salvia Officinalis (Sage) Extract, Plantain Extract, Lonicera Caprifolium (Honeysuckle) Flower (and) Lonicera Japonica (Japanese Honeysuckle) Flower Extract
Kaolin Clay is really good. I liked it a lot in when tried the Shea Moisture Masque.