When it comes to the ingredient "niacinamide", it is estimated that many people are familiar with it, because this ingredient is really too hot, but do you really know niacinamide? Today we will come to science popularization.
Niacinamide is a derivative of niacin, but at the same time it is also a water-soluble vitamin, also known as vitamin B3, niacin is necessary for the function of fat and sugar in the human body, and niacinamide also helps maintain cellular health.
But according to the specific effect, what are the effects of niacinamide, let's take a look at it with me.
Inhibits the transfer of melanin to the stratum corneum, thereby achieving the effect of whitening the skin and improving pigmentation
Inhibits oil secretion, inhibits inflammatory factors (such as inflammatory skin and acne and acne muscles)
Reduces the appearance of pigmentation and erythema caused by photoaging
Improves skin's ability to moisturize
Repairs skin barrier and improves skin redness
Promotes collagen production
Although niacinamide is indeed a good thing, but everything has its two-sidedness, such as the use of niacinamide improper will appear skin intolerance, when the skin intolerance, what are the manifestations?
The skin is reddened and hot
Tingling sensations are evident in the skin and are accompanied by peeling
In a short period of time, the skin has a large number of closed acne and acne
How to judge the intolerance of niacinamide? In fact, until now there is no way to judge whether niacinamide is tolerated, the only useful way is to try the product of niacinamide yourself, and start from low concentration to high concentration, or apply a little product trial locally, because niacinamide can establish tolerance, if there is no symptom of tingling redness after use, then apply to the whole face.
The above is about the role of niacinamide, I hope you have a further understanding of niacinamide.