Many cosmetics consumers worried about using nicotinamide level after the skin allergy symptom such as peeling, itching, redness, for this kind of allergic phenomenon, we usually call for cosmetic grade nicotinamide intolerance, cosmetic grade niacinamide, processing technology, the purity of the product formula factors are likely to cause intolerance.
What if we develop an intolerance after using cosmetic-grade nicotinamide skin care products?
Cosmetic grade nicotinamide skin care products have a certain probability of intolerance, of course, it is applicable to the vast majority of consumers, only a small number of people will be affected. For a few methods of dealing with the consumer skin intolerance, suggest that there are two ways to try, a kind of method is the use of lower grade cosmetics nicotinamide concentration, for example, will contain cosmetics level nicotinamide protect skin to taste with the emulsion used together, which can decrease the concentration of, after being adapt to skin, can increase concentration, until the normal use of containing cosmetics level nicotinamide skin care products, The second is to shorten the use time of cosmetic grade nicotinamide skin care products on the skin. After the skin ADAPTS, the use time can be gradually extended to normal.
Knowing the above methods, are you still bothered by the use of cosmetic grade nicotinamide products to develop intolerance?
