Does niacinamide have a whitening effect? ​​Will using niacinamide make hair grow?

I see that many skin care products contain niacinamide. Can this niacinamide be used for whitening? Will using niacinamide cause hair growth?

Does niacinamide have whitening effects?

Niacinamide has a certain whitening effect. It can downregulate the transport of melanocytes in the skin to melanosomes in keratinocytes, thereby inhibiting tyrosinase activity and cell proliferation, preventing melanin deposition in the skin, and also has a certain therapeutic effect on chloasma and ultraviolet pigmentation. Niacinamide also has the effects of anti-aging, improving skin barrier function, moisturizing and oil control, shrinking pores, and treating acne.

Will using niacinamide cause hair growth?

Niacinamide is vitamin B3, which is currently commonly used in whitening skin care products. It can inhibit the formation of melanin. After long-term use, it can achieve the effect of skin whitening, but it does not promote hair growth. Increased hair growth is related to genetics and changes in hormone levels in the body. If women of childbearing age experience increased hair growth, they should go to a local regular medical institution for examination and targeted treatment.

The efficacy and effects of niacinamide

Anti-arrhythmia, improve endothelial function, stimulate β-cell regeneration, anti-inflammatory, etc. Niacinamide is a water-soluble vitamin and a member of the B vitamin family. Niacin is converted into niacinamide in the body, which has the following effects:

1. Anti-arrhythmic effect: Nicotinamide can enhance the function of sinoatrial node, promote atrioventricular conduction, and enhance myocardial contraction.

2. Improve vascular endothelial function.

3. Stimulate the regeneration of β cells, enhance the resistance of β cells to damaging factors, and restore the normal level of coenzyme 1 in pancreatic cells, thereby slowing down the destruction of β cells and promoting their regeneration.

4. Anti-inflammatory effect: it can eliminate superoxide anion free radicals that play a role in inflammation, inhibit phosphodiesterase and mast cell degranulation, and inhibit the release of histamine receptors and histamine. In addition to being used clinically for pellagra, stomatitis, and glossitis, it is mainly used to treat ischemic heart disease, thrombotic obstructive diseases, schizophrenia, insulin-dependent diabetes mellitus, pulmonary hypertension and other diseases.

Does niacinamide have a disinfecting effect?

Nicotinamide, also known as nicotinamide, is the amide compound of niacin. It is a white crystalline powder; odorless or almost odorless, bitter in taste; slightly hygroscopic. As a medicine, niacinamide can be taken orally or made into various external preparations. In the field of cosmetics, its conventional application is mainly concentrated in the field of "whitening", and it is used as an additive for whitening cosmetics.