It is difficult for many people to associate sun protection with drinking coffee. A study published abroad last year mentioned that women who drink an average of four cups of coffee a day have a 20% lower risk of depression than women who don't drink coffee. The authors write that caffeine can protect the brain from certain neurotoxins, which can lead to depression. Besides, it also has a refreshing effect. A few days ago, an Indian research institute announced that experiments have proved that coffee can protect mice from the sun. The authoritative publication Journal of American Dermatology Association published a paper saying that research shows that coffee berries are rich in polyphenol antioxidant compounds with extremely high concentration, which can reverse skin photoaging traces like retinol and its derivatives, thus improving skin spots caused by ultraviolet radiation, and at the same time making fine lines fade, wrinkles shallow and short, effectively helping to restore skin elasticity. In addition, coffee is also called "internal sunscreen" because it can improve the damage of sunlight. ? Nancy, a beauty consultant of our newspaper and a famous beauty expert in Taiwan Province Province, explained to us that there is no data to prove that drinking coffee can directly prevent ultraviolet rays, but coffee has a good antioxidant function. Ultraviolet rays and external air pollution are irritating to the skin and have a certain oxidation effect on the skin. Therefore, antioxidant products can play an auxiliary role in sun protection. Can coffee really protect against the sun? Coffee is called "internal sunscreen". Coffee has anti-aging effect, because coffee berry extract contains high concentration of polyphenols and has strong antioxidant capacity. At the same time, coffee oil in coffee is rich in linoleic acid, which can prevent skin aging and inflammation and make skin more elastic. Meanwhile, coffee is suitable for any way to lose weight. Anhydrous caffeine contained in coffee is an effective component to resist water deposition and edema, especially to improve facial edema and eye bags caused by excessive salt intake, insufficient sleep and excessive drinking. If you have a cold constitution and poor water metabolism, you can drink a cup of black coffee every morning, which can quickly repel fatigue and make your body more relaxed. Whether drinking coffee or extracting caffeine, the main significance for beauty is to promote metabolism, expel edema and tighten skin. Therefore, it often appears in general face-lifting, lifting and firming, eye bags removal and slimming products. On the one hand, coffee will accelerate energy consumption, accompanied by accelerated oxidation of oils and carbohydrates. On the other hand, chlorogenic acid, an antioxidant rich in coffee, can reduce the absorption of oil in intestine, while quinoline acid in coffee can increase the excretion of oil by cells. Therefore, coffee can help people stay slim and fight obesity. Finally, if you are unfortunate enough to suffer from dark circles and bags under your eyes, a cup of coffee can solve the urgent need. Dr. Apratim Goel, a dermatologist, said, "Coffee combined with vitamin K is the best way to deal with edema around eyes. Coffee can shrink blood vessels, remove water, help reduce blood supply around eyes, and achieve the effect of eliminating edema. Many models often drink black coffee on an empty stomach to get rid of edema, which is really good, but it is more harmful to the stomach. Therefore, if edema is serious in the morning, you can drink a cup of black coffee after breakfast, or drink a cup of coffee with fresh milk directly. Coffee also has a good weight loss effect, which is due to the "thermogenic effect" of caffeine in the human body. This subtle change will accelerate energy consumption and prevent fat accumulation. It is suggested to use more skin care products or eat more foods containing antioxidant ingredients in the season of strong ultraviolet rays, such as grapes and grape seeds, red wine polyphenols in red wine, anthocyanins in fruits and vegetables such as broccoli, lycopene rich in tomatoes, etc., all of which have antioxidant effects.