Azelaic acid belongs to the acid class, it has no photosensitivity, so it can also be used during the day, more gentle than amygdaloid acid, it can reduce the composition of free fatty acids and lipids on the surface of the skin, to control the secretion of sebum, to reduce the synthesis of filamentous keratin, which in turn reduces the transition of the follicle keratinization, to inhibit the activity of the abnormal melanocytes at the same time, to achieve the effect of dilution of the pigmentation, so the azelaic acid is not only capable of Oil control acne, but also lighten the acne marks, is the preferred choice to fight acne pimples.
Amygdalin also belongs to the acid class, it can gently peel off the old waste keratin, stimulate the generation of collagen, purify the free radicals, improve the pigmentation, we all know that the acid products can not be used together with the acid products, so Amygdalin and azelaic acid can not be used together oh.
Because azelaic acid belongs to a kind of antioxidant, has a significant anti-inflammatory effect, in most cases, it is used to treat acne and rosacea triggered by the redness of the skin.