Cosmetic grade nicotinamide and retinol have anti-aging effect on the skin, can be used at the same time? The answer is can be used together, cosmetic grade nicotinamide in addition to anti-aging, and whitening, moisturizing, oil control and other functions, therefore, can be used together, so, what is the order of use?
In fact, cosmetic grade nicotinamide and retinol, who can be used first, can adapt to or need to see the skin to accept the concentration of both. High concentrations of cosmetic grade nicotinamide and retinol together are not recommended as this increases the risk of skin intolerance. The skin needs to tolerate cosmetic grade nicotinamide and retinol. Therefore, skin care products with sustainable use of two ingredients are not recommended to use high concentration of cosmetic grade nicotinamide and retinol at the same time, even if tolerance is generated, so as to avoid damage to the skin.
