It has been proven that retinol plays an important role in the fight against aging. It is an additive in many skin creams and anti-wrinkle products. Retinol can penetrate into the skin, repair cells and restore skin elasticity, so it also has the effect o

VC, also known as ascorbic acid, is a natural antioxidant that can be used to prevent scurvy. Most plants can be synthesized, but the human body cannot. The human body needs this intake to obtain VC. However, the VC obtained through food can improve the s

The role of niacinamide has been gradually known by the academic circles in recent years. It is widely used in the cosmetics industry and is a multifunctional active ingredient. Its efficacy has been confirmed in many professional journals. Students who k