Citric acid can prevent and eliminate skin pigmentation, but it is not easy to eat more. At the same time, it is not advisable to eat more in spring, and the effect is better in summer and autumn. People with gastric ulcer, hypersecretion of gastric acid, dental caries and diabetes should be careful to eat.

Taking time: Take 25g honey on an empty stomach in the morning (suitable for people who need to moisten intestines and relax bowels), half an hour before meals, 2 hours after meals, or take it on an empty stomach every morning and evening, which can be fine-tuned according to personal circumstances.