Why isn’t cosmetic-grade nicotinamide recommended for long-term use for people with thinner cuticle?

Pigmentation, aging, acne, thick pores, dark, dry and other skin problems are more common at present, the use of cosmetic grade nicotinamide can solve a variety of skin problems, improve skin quality in many ways, play a role in freckling, anti-aging, oil control, pore shrinkage, whitening, moisturizing and so on.

Cosmetic grade nicotinamide is the ingredient with stronger efficacy and more ideal application effect in the skin care industry. Moreover, the production process is relatively mature and the price is also cheap. At present, it is added and used in many skin care products.

So, can cosmetic grade nicotinamide be used for a long time? General cosmetics level niacinamide for most people can be normal use for a long time, but is not recommended for corneous layer thinner people use for a long time, this is mainly because cosmetics level nicotinamide contains a impurities, niacin, it is to use cosmetics level nicotinamide appear intolerance, the main reasons for the nicotinic acid can cause the skin redness, itching and other symptoms, therefore, It is recommended to pay attention to the content of niacin when buying cosmetic grade niacinamide products.

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