Does blackening of the skin have anything to do with drinking coffee?

So far, no study has shown that there is an absolute relationship between melanin in coffee and melanin in the skin. on the contrary, caffeine accelerates metabolism, promotes digestion, improves constipation, and accelerates the discharge of waste cutin. Dilute the dark circles caused by poor circulation, from these functions, it can also help relieve the roughness and gloom of the skin.

When it comes to caffeine boosting metabolism, it is said that coffee accelerates calorie burning, eliminating subcutaneous fat and restoring skin tightness; basically, the theory is correct, but this calorie burning does not lead to much subcutaneous fat or weight loss, and if sugar and cream are added to the coffee, it is even less in line with the principle of weight loss in terms of calories. Another is antioxidation, regular drinking coffee can keep skin cells full of vitality, prevent cell oxidation, the role of anti-skin aging can not be underestimated.

Finally, we need to mention that, in fact, the reason why your skin darkens is that you may often stay up late and refresh yourself with coffee, but it's not coffee that blackens you. You know, lack of sleep is an important killer of appearance. Pay more attention to rest! In addition, although drinking coffee will not discolor the skin, but often do not gargle after drinking coffee, will make the teeth yellow.