4-MSK, also know as Potassium 4-methoxysalicylate, as whitening ingredient. This product has excellent affinity with skin.
1. Potassium 4-methoxysalicylate (4MSK) has the effect of inhibiting the production of melanin. It is an efficient cosmetic raw materials.
2. Enhancing self-healing force. 4MSK whitening products, can make the the top horny out of skin healthy, and melanin discharge smoothly. Using with all types of whitening products, the whitening effect of these products can be enhanced. It has a good development prospect.