On the effects of glycolic acid, nicotinamide and retinol
There are many techniques for skin care in the world, and glycolic acid, nicotinamide and retinol are actually good materials for skin care.

Glycolic acid has the power of rejuvenating the skin. It can gently exfoliate the exfoliation, making the old waste exfoliation on the surface of the skin gradually disappear, making the skin regain its luster, such as the first blooming of new leaves in spring, which are tender and smooth. And it can promote the metabolism of the skin and help the subsequent nutrients to be better absorbed, just like opening a convenient door for nutrients.

Niacinamide has outstanding effect. It can effectively block the transmission of melanin, achieve the effect of brightening the skin, make the skin tone even, just like the morning light, and disperse the dull haze. It can also strengthen the skin barrier, make the skin tough, like a solid city wall, and resist all kinds of external intrusions.

Retinol is a powerful tool for the skin to resist aging. It can stimulate collagen regeneration, caress the fine lines of the skin, make the skin firm and elastic, like the light of time, and return to a firm and youthful state.

Although these three are wonderful, they should be used with caution. Or there are different reactions due to skin type differences, so when using it for the first time, it is advisable to try it on a small scale to check whether the skin tolerates it or not. Step by step, you can enjoy its benefits, get the fruit of skin beauty, and keep your skin youthful.