Collagen powder has the effect of beauty and skin care, regular intake can improve the body's immunity, and basically has no side effects. Collagen exists in everyone's body, and taking or injecting substances containing collagen is basically harmless to the human body. However, when injecting collagen, it is necessary to find a formal hospital for operation to avoid increasing the risk of needle infection. What are the effects of collagen powder? 1. Without collagen, there is no elasticity and support for the skin. The human body's muscles, organs, and other tissues are composed of proteins, and collagen is a type of protein. It is hidden in the dermis beneath our outermost skin layer, supporting the skin epidermis. 2. If collagen content is high and tough, the corresponding external skin will appear elastic and full of vitality; conversely, if collagen content is low, the skin will become loose, like an old woman's skin. Does collagen powder have side effects? 1. As we age, the rate of collagen loss in our skin becomes faster and faster, resulting in skin aging, loosening, and sagging. It is advisable to take some collagen powder. 2. Under normal conditions, collagen powder does not have any side effects, but inferior collagen powder is harmful to the body. It is recommended to increase collagen in our skin through injection or instrument introduction.