Procystein CAS 19771-63-2 is a newly developed light whitening substance. Related reports have confirmed that leucothiamine has strong antioxidant and detoxification functions, and has the effect of inhibiting tyrosinase activity. As a cosmetic, it can not only whiten, moisten, protect, sterilize and protect skin from ultraviolet radiation; At the same time, it can promote the biosynthesis of glutathione in subcutaneous cells, improve the ability of quenching oxidative free radicals in subcutaneous cells, so as to enhance the protective layer of natural antioxidant system in subcutaneous cells. It can improve skin symptoms such as skin aging, crispness, atrophy, exfoliation, discoloration, sagging, acne, itching, eczema, skin warts, wrinkles, orbital lines, eye bags, etc., and is conducive to the recovery of skin vitality, Improve skin flexibility, texture, luster and anti ultraviolet radiation. Its effect is nearly 20 times of that of ursolic acid, a popular light color whitening ingredient Suggested usage: 1. Whitening and anti-wrinkle/skin moisten/removing spots: 2-5% 2. Anti-ultraviolet skin cream: 2-5% 3. Acne cream: 3-6% 4. Facial mask: 5-8% 5. Overnight skin cream: 2-4% 6. Skin cream: 3-6%
