Glycolic Acid 7 Use Guide
Glycolic Acid 7, has a unique effect, and the method of use is quite critical. The following details its usage.

1. Frequency of Use
For those who use glycolic acid 7 for the first time, the skin may not be adapted, and they should start the skin care journey at a lower frequency. In the first week, it is recommended to use it every two to three days. If the skin is well tolerated and does not experience discomfort, such as redness, tingling, itching and other symptoms, the frequency of use can be gradually increased in the future, gradually to once a day. However, people with sensitive skin, even after a period of use, should maintain a low frequency of use, or once every two to three days, to prevent adverse consequences caused by skin intolerance.

2. Use steps
1. ** Cleanse skin **: Before using glycolic acid 7, be sure to wash your facial skin with mild cleansing products. After rinsing with water, gently dry it with a clean towel to ensure that there is no dirt, oil and makeup residue on the surface of the skin, laying a good foundation for the effective function of glycolic acid 7. For example, if you use waterproof sunscreen products every day, you need to remove makeup with makeup remover products first, and then go through the cleansing steps.
2. ** Use glycolic acid 7 products **: Take an appropriate amount of glycolic acid 7 products in the palm of your hand, gently apply to your forehead, cheeks, chin, both sides of your nose, etc., then gently push it away with your fingertips, and apply it evenly to the whole face. Pay attention to avoid the weak and sensitive areas of the skin such as the eyes and lips. If you are using glycolic acid 7 serum, take 3-5 drops; if it is a glycolic acid 7 cream, take about the size of a soybean grain.
3. ** Follow-up skin care **: Wait for the glycolic acid 7 product to stay on the skin for a while, about 3-5 minutes, and then carry out the follow-up skin care procedure after the skin is basically absorbed. You can use a toner first to replenish moisture to the skin and relieve the tightness that may be caused by the action of glycolic acid. Then apply a lotion or cream to lock in the skin's moisture and nutrients and enhance the skin's barrier function. If you use glycolic acid 7 during the day, you need to apply a sunscreen at the end to prevent the skin from being damaged because it is more sensitive to ultraviolet rays after using glycolic acid.

3. Precautions
1. ** Skin test **: Before using glycolic acid 7 products for the first time, a local skin test should be performed. Take a small amount of product and apply it to the skin behind the ear or inside the arm. Observe for 24-48 hours. If there is no allergic reaction such as redness, swelling, itching, and tingling in the area, then use it on the face.
2. ** Avoid mixing with irritating products **: During the use of glycolic acid 7, avoid using other skin care products with strong irritation at the same time, such as high-concentration salicylic acid products, makeup water containing a lot of alcohol, etc. Such products are used in combination with glycolic acid 7, which may over-irritate the skin, cause skin discomfort, and even destroy the skin barrier.
3. ** Sunscreen is essential **: Glycolic acid can thin the stratum corneum of the skin, thereby enhancing the skin's sensitivity to ultraviolet rays. Therefore, whether you use glycolic acid 7 during the day or at night, you must take good sun protection measures when you go out the next day. You can choose physical sunscreen or chemical sunscreen, and combine hard sun protection methods, such as wearing sun hats, sunglasses, and umbrellas, to prevent sunburn and tanning, and reduce the risk of photoaging.