B-THREE B-Three Contains silk ingredients to moisturize the skin and create a protective barrier to protect it from external irritants. Hypoallergenic and weakly acidic, it can be used on the hands, face, body, and hair. - Free of UV absorbers and UV scattering agents. - Two types of ingredients extracted from Kimimayu silk (hydrolyzed sericin and hydrolyzed fibroin) gently moisturize and lock in moisture. - Creates a water-repellent protective film to protect the skin from external irritants and dryness. Anonymous free shipping available!