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Realize the star ingredient in vitamin B - vitamin B3

There are many B vitamins. Today, let's learn about the star member of B vitamins: vitamin B3.

Vitamin B3, also known as niacinamide, is an active ingredient with multiple functions and has been widely used in skin care products in recent years. The main functions of vitamin B3 in skincare products are:

1. Whitening and freckle removal

When nicotinamide reaches a certain concentration, it can hinder the transport of melanin and reduce the density of melanin. In addition, it can also inhibit the production of melanin by melanocytes.

2. Oil-control

4% nicotinamide gel is comparable to 1% clindamycin gel for inflammatory acne, but unlike clindamycin (an antibiotic), nicotinamide is not resistant.

3. Moisturizing

Niacinamide can increase the level of free fatty acids and ceramides in the skin, stimulate the microcirculation of the dermis, prevent the loss of skin moisture, and play a moisturizing role.

4. Enhance skin resistance

Niacinamide can promote a significant increase in envelope protein, fibronectin, and keratin, and at the same time promote an increase in the lipid components of the skin barrier, ceramides, and free fatty acids.

Vitamin B3 - niacinamide also has its shortcomings. For example, the niacin in niacinamide can cause skin irritation, and the use of high-content niacinamide products (more than 5%) may cause allergic phenomena such as redness.



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