Nicotinamide, also known as Nicotinamide (NAA), vitamin B3, vitamin PP, white crystalline or crystalline powder, almost colorless and tasteless, soluble in water, ethanol, slightly soluble in ether and chloroform. As a member of B vitamins, its anti-aging effect has been known to the medical and beauty industry. It is widely used in clinical treatment of pellagra, glossitis, stomatitis, photosensitive dermatitis and cosmetic dermatitis.
From the perspective of skin biology, the color of human skin is affected by the pigment system, melanin is the product of melanocytes, the content and distribution of these pigments is the main factor to determine the color of skin. And melanin formation of basic physiological process can be summarized as: melanocytes produce melanin, the pigment melanin granules by melanin cells dendritic protrusions to keratin cells, transferred to the keratin cells of melanin granules with epidermal cells to the corneous layer, thus influence the formation of skin color or brown spots, finally discharge with the corneous layer falls off.
Nicotinamide plays a great role by inhibiting the formation of melanin particles and the melanin particles in the epidermal cells up to the cuticle, affecting the skin color or forming spots, effectively inhibiting the transmission of melanin to keratinocytes. When some melanin inevitably reaches the surface of the skin, Nicotinamide, in turn, promotes the shedding of melanin-containing cells by accelerating the rate of skin cell renewal. From inside to outside, it can improve skin quality and whiten skin.
Understanding of nicotinamide effect, from nutrition, to treat acne, to help prevent bask in anti-aging, anti-wrinkle, remove and repair to the barrier, to deep in the gene beauty, is to push forward step by step, and become more powerful, a common vitamin suddenly endowed with almost omnipotent “myth” ingredients, however. The amount of this ingredient in other cosmetics has been kept below 5%. Because nicotinamide itself contains irritants, in the use of the process needs to establish tolerance to nicotinamide.
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