What are the causes of intolerance caused by the use of cosmetic grade nicotinamide?

Cosmetic grade nicotinamide is a form of vitamin B3 that acts on our skin and is therefore widely used in skin care and cosmetic products. Cosmetic grade nicotinamide is considered to be a very safe ingredient that can effectively protect and improve the skin.

Cosmetic grade nicotinamide is a cost-effective ingredient with relatively low use cost. The use cost of cosmetic grade nicotinamide is actually related to its purity. At present, the cosmetic grade nicotinamide we use is mainly synthesized through chemical industry. The main impurity of non-pure cosmetic grade nicotinamide is nicotinic acid. The use of cosmetic grade nicotinamide intolerance is mainly caused by niacin, therefore, the use of high purity cosmetic grade nicotinamide skin care products produced by large enterprises will be relatively better.

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