Most people know that it is better to eat more fruits and skin. Miss ladies who love beauty often use lemon slices to cover their faces. Even ancient beauty knows to use milk to bathe, so the skin becomes more beautiful. In fact, it is because of these things. It contains the relationship of fruit acid.
Fruit acid is a general term for several chemical substances, because most of them can be found in natural fruits, so they are called acid. It includes glycolic acid extracted from sugar cane, lactic acid extracted from yogurt, tartaric acid obtained from wine, malic acid obtained from apples, and citric acid obtained from citrus fruits.
Pay attention to the concentration of fruit acid. The effect of fruit acid on the skin is slightly different due to the difference in concentration. The low concentration of fruit acid can reduce the aggregation of skin keratin and reduce the thickness of the stratum corneum. This exfoliation can promote the metabolism of the skin. The fruit acids contained are in the low concentration range (15% or less), which is safe to use and can be purchased by consumers.
High concentration of fruit acid (more than 20%), it has a greater effect on disrupting the intercellular connection of the stratum corneum, which will cause the epidermal layer to peel off. It can be used for chemical peeling (or chemical dermabrasion) and can remove some of the face. Fine wrinkles and light pigmentation spots. High concentrations of fruit acid peeling are prone to side effects and must be used by a doctor.
In patients with acne , in addition to the secretion of sebaceous glands is relatively strong, usually the stratum corneum is thicker and clogs pores, hindering the excretion of sebum to prolong acne, while the acid can excrete the keratin, it can also make the skin oil secretion more For the smooth, it can treat malignant acne, acne and so on.
Simply put, when people are young, the skin is relatively tender. This is because the skin's metabolism is faster. As the age increases, the skin's metabolism decreases, the aged cuticle causes accumulation, and the skin becomes rough and wrinkles. . AHA can exfoliate some aging cuticles, increase metabolism, and make the skin finer. It also removes some pigmentation and acne pigmentation.
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