On the Method of Using Ordinary Glycolic Acid on the Face
If you want to make good use of glycolic acid on the face, you should know its properties. Glycolic acid has the ability to rejuvenate the skin, but you also need to use it with caution.

When using it for the first time, you must first test the sensitivity. Take a little glycolic acid on the arm or behind the ear, and wait for an hour to see if it has redness, itching, or swelling. If not, you can gradually apply it to the face.

Use the method. After cleansing, the skin is still moist. Dip a cotton sheet or fingertips into an appropriate amount of glycolic acid and apply it gently to the face. Avoid the skin around the eyes, lips, and mouth, because it is delicate and easily irritated. After applying, wait for a few moments, and wait for it to dry slightly. You can apply toners, lotions and other skin care products in sequence.

When using for the first time, the frequency should be sparse. It is better to use it once every three days, and then it can be used gradually as the skin tolerates it, to every two days, or every day. However, it must not be excessive to prevent skin damage. If the skin feels dry after use, you can use moisturizing products frequently to nourish the skin.

Furthermore, after using glycolic acid during the day, strict sun protection is required. Because it can increase the skin's sensitivity to light, if it is not protected, it is easy to cause pigmentation and sunburn. Therefore, sunscreen must be worn when going out, and umbrellas, hats, etc. are also essential.

In this way, when used with caution, glycolic acid can brighten the facial muscles and achieve the effect of beautifying the skin without hurting the skin.