Long-term drinking instant coffee is not good for the skin, instant coffee contains preservatives, colors, sweeteners and other additives in the human body can not be digested and absorbed and constantly deposited on the human central nervous system causing harm to the human body at the same time to accelerate the aging of the body cells, slowly over time there will be a small freckle on the face, and instant coffee is different from the real coffee. Real coffee 300g a day is beneficial to the human body, most of the instant coffee due to baking method problems, containing carcinogens

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