Tretinoin (retinoic acid), yellow needle-like crystals, most of this product is all-trans retinoic acid. Both vitamin A and vitamin A acid have the effect of promoting growth and keeping the epithelium normal.
WS-23 is a cooling agent, chemical name is n, 2,3-trimethyl-2isopropl butanamide, which can provide a continuous cooling effect in the product. It almost insoluble in water, soluble in alcohol and grease, appearance White powder.Its characteristics are refreshing, long-lasting, fresh, non-irritating
Vitamin B12 is a vitamin that people with gastrointestinal diseases are prone to lack. It is also an important element indispensable for red blood cell production. If it is severely lacking, it will lead to pernicious anemia.The human body needs very little vitamin B12. Vitamin B12 is mainly found i