On the Combination of Acids
Man acids, for the use of the skin, each has its own strengths. Today on the combination of kojic acid and glycolic acid.

Kojic acid, mild in nature, with the ability to turn black and white, often used by people with uneven skin color, can inhibit the growth of melanin, make the skin even. Glycolic acid, is a fruit acid and the like, its strong, can exfoliate, smooth pores, make the skin delicate and smooth, and promote cell renewal, rejuvenate the vitality of the skin.

If the two are combined, the advantages and disadvantages should be carefully examined. The combination is appropriate and complements each other. Kojic acid inhibits melanin, glycolic acid helps it penetrate the skin and increases the whitening effect; glycolic acid exfoliates, kojic acid relieves its irritation and protects the quality of the skin. However, if it is not suitable for use, the strong glycolic acid may cause skin sensitivity, and kojic acid may also cause adverse reactions, such as skin redness, tingling, and itching.

Therefore, if you want to combine kojic acid and glycolic acid, you must predict the nature of the skin. Those with strong skin tolerance, try it in small doses and observe the response of the skin. If it is peaceful and there is no other, you can gradually increase its amount to achieve the best effect. Those with delicate and sensitive skin should be cautious, or consult a doctor first, or those who are good at skin techniques, and get their advice before they can do it.

When using it, pay particular attention to steps and regulations. After cleansing, apply a gentle toner to moisturize the skin to reduce irritation. Use a mixture of low-concentration kojic acid and glycolic acid for the second time, apply a thin coating and gently rub it until it seeps through. When using it during the day, it must be protected to avoid exposure to sunlight, so as not to damage the skin.

In short, kojic acid and glycolic acid are combined to enhance the color of the skin, and they can be used effectively. Only by reviewing the skin, compliance, and careful behavior can we obtain its benefits and avoid its harm, resulting in the skin's Kangtai and even beauty.