The combination of glycolic acid and azelaic acid is used to nourish the skin, and there are many recipes. The use of glycolic acid and azelaic acid is quite important to the world. However, whether it is appropriate to combine it should be reviewed in detail.

Glycolic acid belongs to the category of alpha-hydroxy acids. Its mild nature can enter the stratum corneum, promote keratinocyte renewal, exfoliate the old waste keratin on the surface of the skin, make the skin renewed, uniform in color, and soothe fine lines. And it can increase the hydration ability of the skin and make it moisturized.

Azelaic acid has antibacterial ability, especially for Propionibacterium acne, which can inhibit sebum secretion, so it is widely used in the treatment of acne. It can also block the formation of melanin, remove pigmentation spots, and even skin tone.

Whether the two can be used together depends on the characteristics of the skin. If the skin is healthy and tolerant, use it in combination according to the appropriate ratio and steps, or get the best effect. Glycolic acid first initiates keratin renewal, followed by azelaic acid to antibacterial light spots, synergistic effect.

However, those with sensitive skin should be careful. Although the acidity of ethanol is mild, it may also cause irritation. When used in combination with azelaic acid, it can stimulate or increase, causing skin redness, itching, and burning. Therefore, it is advisable to perform a skin test before use, take a small amount and apply it behind the ear or on the inside of the forearm. When it is 24, it can be applied to the face without discomfort.

And the method of using it should be step by step. The initial concentration should be low, and the dose should be gradually increased when the skin adapts. It is better to use it at night, avoiding sunlight, because glycolic acid increases skin skin photosensitivity.

In short, glycolic acid and azelaic acid are used in combination, and the advantages and disadvantages depend on each other. Only by understanding the nature of the skin and following the correct method can we achieve the wish of skin care and protect the health of the skin.