The combination of glycolic acid and fruit acid is a kind of fruit acid (AHA), which is lively in nature and has many effects on skin care. However, the world often doubts whether glycolic acid and fruit acid can be used for skin care.

Glycolic acid has excellent exfoliation ability, can loosen the adhesion between keratinocytes, promote old keratin shedding, make the skin surface smooth and delicate, and can stimulate the synthesis of collagen in the dermis, making the skin firm and elastic. Fruit acid has a large family and also has similar keratin renewal effects, which can improve uneven skin color, roughness and other diseases.

Although the two belong to the same category, they are used in combination, and the advantages and disadvantages coexist. Advantages, the synergistic effect can strengthen the exfoliation effect, and it can have a significant effect on severe rough and dull skin. Those who are harmful, because they are all irritating to a certain extent, combined use or cause skin intolerance, causing redness, swelling, tingling, desquamation and other discomforts.

Therefore, if you want to use glycolic acid and fruit acid, you must first undergo a skin test. Apply a small amount of the mixture behind the ear or on the inside of the forearm and observe it for 24 hours. If there is no adverse reaction, you can use it cautiously on the face. And the initial use, the concentration should be low, the frequency should be small, and the skin should adapt, and then adjust as appropriate.

During use, pay special attention to skin moisturization and sun protection. Glycolic acid and fruit acid promote keratin renewal, accelerate skin moisture loss, and lack of moisturization, the skin is prone to dryness. After the action of the two, the skin is more sensitive to ultraviolet rays, poor sun protection, and fear of hyperpigmentation.

In short, glycolic acid and fruit acid are used in combination, like a double-edged sword. When used properly, it can rejuvenate the skin; if used carelessly, it will hurt the skin. Users should carefully observe their own skin condition and act cautiously.