Self-glycolic acid refreshing water guide
Required materials
1. ** Glycolic acid **: This core component needs to be determined according to the tolerance of the skin. Generally, the starting degree can be reduced by 5% - 10%. If the skin is well tolerated, it can be increased to 15% - 20%.
2. ** Water **: Use steamed water or melted water to avoid the shadow of the water from the water.
3. ** Antiseptic water **: Add a small amount to prevent the growth of microorganisms and prolong the shelf life of the water. For example, phenoxyethanol can be used, and the addition amount is usually 0.5% - 1%.
4. ** Preservation **: Such as hyaluronic acid, which can help the skin retain moisture, and the addition amount is 0.1% - 0.5%.
5. ** Container **: Dry, well-sealed glass or plastic bottles, need to be cleaned and disinfected before use.



1. ** Work **: All utensils used, such as measuring cups, mixing rods, etc., are disinfected with alcohol to protect the environment.
2. ** Measuring materials **: According to the formula ratio, the dosage cup is used to take glycolic acid, water, anti-corrosion and protection. For example, if you make 100 ml of refreshing water, containing 10% glycolic acid, take 10 ml of glycolic acid, 90 ml of boiling water, 0.5-1 ml of phenoxyethanol, 0.1-0.5 g of hyaluronic acid.
3. ** Mix and dissolve **: first pour the water into the container, then slowly add the glycolic acid, and mix it well with the mixing rod. Next, add the water, and hold the water until completely dissolved. Finally, add the antiseptic water, and mix well again.
4. ** pH **: Use pH or pH to measure the pH of the refreshing water. The pH value of the glycolic acid refreshing water should be controlled at 3.5-4.5. If the pH value is high, the amount of glycolic acid can be added to be low; if the pH value is low, a small amount of glycolic acid can be added to the water.
5. ** Bottle storage **: Pour the prepared water into a sterilized container and seal it for storage. Place it in a dry container and avoid direct exposure to light.

How to use and precautions
1. ** How to use **: Clear the area in the morning and evening, dip the cotton in the amount of glycolic acid refreshing water, and wipe it on the area and area to avoid the eye area and lip muscles. For the first time, you can first use the skin on the ear or wrist, and check for 24-48 hours. If it does not react, then use it officially.
2. ** Note **: Glycolic acid has a certain irritation, and it is necessary to add anti-resistance during the use period to avoid UV damage to the skin. If there are no symptoms such as skin irritation and tingling during the use process, stop using it immediately, and wash it with water. If the disease persists, it needs to be cleaned. In addition, it is not suitable to use it at high degrees. Use it every 1-2 days at first, and then increase the use rate one by one.