It is said that eating lemon can turn white, so what about sticking to it for a month every day? It is generally recommended to drink lemonade for more than a month every day before it turns white. This is mainly because lemonade contains a lot of vitamin C, which is an antioxidant. Eliminate pigmentation on the skin surface, reduce the number and volume of subcutaneous melanocytes, thus achieving whitening effect. However, the content of this vitamin C is relatively small, and it needs long-term drinking to achieve the expected effect. Drinking this lemonade regularly can also promote defecation and play a role in losing weight.

Citric acid: It is an organic acid with moderate intensity and belongs to fruit acid. Citric acid has good antioxidant effect and is a common natural preservative in citrus fruits. In biochemistry, it is an important intermediate product of citric acid cycle. It plays an important role in the metabolism of almost all living things. Vitamin C: a common ingredient in whitening and antioxidant skin care products. Good water solubility, instability, easy oxidation when exposed to light and air. Has good effects of regulating cutin, whitening skin and resisting oxidation.

Can lemonade really whiten the skin? It is said that lemon can whiten skin, and the main effect of it comes from the whitening effect of vitamin C. Studies have shown that the content of vitamin C in fresh lemon is 22-25mg per 100g. The weight of fresh lemon is about 50g, and the content of vitamin C is about12.5mg. In addition, if lemonade is soaked in hot water, the vitamin C in lemon will lose about 70%. Many people like to soak in water with dried lemon slices, but the vitamin C content in lemon slices is only about 35% of that of fresh lemons. In other words, the vitamin C content of the whole lemon is only 4.753 mg. Lemon is rich in vitamin C, which can whiten skin. However, lemon absorbs very little vitamin C on the skin. Therefore, if you want to drink lemonade for whitening, you can really give up; Lemon does contain photosensitive substances, and the content of furan coumarin in daily drinking lemon water is very small. On the contrary, we should be more alert to the photosensitive reaction caused by direct contact between lemon and skin.