On the principle of using AHA and BHA after fruit acid
for the skin, in order to rejuvenate and moisturize, the use of fruit acid has been known to everyone. However, after applying fruit acid, use AHA and BHA, when you understand the principle and follow the method, you can benefit and not suffer.
Those with fruit acid have the power of exfoliating and promoting skin metabolism. After using it, the skin may be in a delicate state, and the stratum corneum is slightly thin. At this time, the skin's defense is slightly reduced and it is more sensitive to external stimuli.
AHA, that is, alpha-hydroxy acid, is common such as glycolic acid, lactic acid and the like. It is mild in nature and can penetrate deep into the skin. In addition to moisturizing, it can also help keratin renew. BHA is a beta-hydroxy acid, and salicylic acid is its representative. It is fat-soluble and can penetrate deep into pores, clean up oil, resist inflammation and remove acne.
If you use AHA and BHA after fruit acid, first check the tolerance of the skin. Take a small amount of AHA or BHA products first, and apply them to the delicate parts of the skin such as the back of the ear or the lower jaw. Wait a few hours to see if there is any redness, itching, or tingling. If there is no discomfort, you can try it on the whole face.
Use it step by step, the initial dosage should be small, and the frequency should be sparse. If you start with it, you can use it every two or three days, and when the skin adapts, you can increase and increase the frequency as appropriate. And pay attention when using it, avoid sensitive areas such as the eye area and the
Furthermore, after fruit acid, the skin's moisture is easily lost, so moisturizing is essential. Before and after using AHA and BHA, moisturizing products should be applied, such as moisturizing masks, moisturizing lotions, etc., to protect the skin's water and oil balance.
And sun protection should not be ignored. Fruit acid and AHA and BHA can make the skin more sensitive to ultraviolet rays. After daytime use, be sure to apply sunscreen agent. When you go out, you need to hold an umbrella, wear a hat, etc., to prevent sunburn and sun aging.
In short, the use of AHA and BHA after fruit acid can enhance the beauty of the skin, but it should be done with caution. According to the state of the skin and the scientific method, the skin can be kept healthy and rejuvenated.