Mainly because you usually have a bad rest, stay up too much, accumulate melanin in your body over time, and lose collagen too quickly. Collagen supports the skin in the skin like a scaffold and a "spring". Once the "spring" breaks, the dermal tissue will collapse and wrinkles will appear. The skin will sag and sag; After the skin is oily, due to the decrease of elasticity, the enlarged pores cannot be retracted and recovered, and the pores will become bulky; Free radicals and melanin will accumulate in cavities and cracks in the skin, forming dark circles and spots ... So it is better for the skin to supplement substances containing collagen and nutrients such as VC and VE, such as eating more pig's feet, chicken feet, vegetables and fruits. If you are really busy at ordinary times, you can drink oral cosmetics containing these nutrients, and the effect may be better. Because the molecular weight of these cosmetics is more delicate than that of food, they are more easily absorbed by the human body. The UTU collagen tripeptide I drank recently is very good. After only one month, the dark circles and bags under the eyes disappeared completely, and the fine lines on the face were obviously faded. I used to use the first-line brand eye cream, and the effect was not so fast. However, even the best skin care products need to be accompanied by a good rest, a reasonable diet and a happy mood to be effective.