On the Timing of Using Glycolic Acid on the Face
Those who want to make good use of glycolic acid on the face must check the timing carefully before they can get twice the result with half the effort.

In the morning, the sky is beginning to dawn, and the yang energy is gradually rising. The skin has recuperated overnight and is waiting to be rejuvenated. When using glycolic acid at this time, you need to be careful. Cover the skin in the morning and expose it to sunlight, noise, etc. Although glycolic acid can promote keratin renewal, it may increase the sensitivity of the skin to light. If it is used after direct sunlight, it may cause skin burns and pigmentation. Therefore, if it is used in the morning, it must be strictly applied to sunscreen products to protect the skin.

At dusk, when the sun sets in the west mountains, the yin energy gradually rises. After a day of hard work, the skin is tired, and dirt and oil also accumulate on the face. At this time, glycolic acid is very effective. Glycolic acid can remove waste keratin, clear clogged pores, and help the skin breathe smoothly. And without the disturbance of sunlight at night, the skin has strong repair ability, which can better adapt to the stimulation of glycolic acid, accelerate metabolism, nourish and repair the skin during sleep, and glow when you wake up in the morning.

Furthermore, the skin condition is different, and it is also different when using glycolic acid. If the skin is healthy, free of allergies and inflammation, it can be applied frequently according to the above morning and evening methods. However, the skin occasionally feels uncomfortable, such as redness, itching, swelling and pain. At this time, the skin is fragile. If glycolic acid is used to add skin with a blade, it will only increase its injury. It can only be used after the skin has calmed down.

Also, for those who use glycolic acid for the first time, it should start at night. Because the night environment is stable, the skin reaction can be carefully observed. And when using it for the first time, the concentration should be low and the frequency should be sparse, such as once a week. Wait for the skin to adapt, and then gradually increase the concentration and frequency.

In summary, when using glycolic acid for the face, when evaluating the situation, observing the state of the skin, and choosing the appropriate time, in order to achieve the purpose of skin care and