The Theory of Glycolic Acid and Niacinamide
Recently, people have been discussing the advantages and disadvantages of glycolic acid and niacinamide on the Internet, just like the ancient polemicists, each holding their own opinions.
Those who have cloud glycolic acid have active sex and significant effect on the metabolism of skin exfoliation. It can quickly exfoliate old and waste exfoliation, make the skin refreshed, and have a uniform color, just like new leaves in spring, fresh and shiny. However, it is strong in nature. If the skin is delicate and used improperly, it is easy to cause discomfort, such as redness, tingling, and sharp edges. If used well, it will be beneficial, and if misused, it will hurt.
There are also those who advocate nicotinamide. This skin is a It can block the migration of melanin, brighten the skin, and can increase the skin barrier, making the skin strong, like a strong barrier, to resist external evil. However, some people use it, or there may be intolerance, so you need to be cautious when using it at first.
Everyone expressed their opinions on Reddit, or praised the quick effect of glycolic acid, or the mildness of songniacinamide. In fact, both have their own strengths, and when used properly, they are both wonderful recipes for skin radiance. If you can use it according to your own skin characteristics and weigh it, you can get the best state of the skin, just like good medicine, syndrome differentiation and treatment, it can be effective.