Skin care products are packaged independently, and it doesn't matter if they are put together with wallpaper.

Protective effect of skin care products: it can maintain the balance of skin functions and resist mechanical stimulation, physical injury, chemical injury and microbial invasion. Many people like to exfoliate, which is wrong. A healthy stratum corneum has a protective effect on human body. 1. Maintaining barrier health refers to the functional epidermis, which should be thick enough. This functional epidermis can ensure that the skin has sufficient moisturizing ability and defense ability. 2, microecological balance, when the flora is in balance, the skin will be relatively healthy. When the skin flora is out of balance, it will cause folliculitis, pustulosis, acne, chloasma and other skin diseases. 3, the balance between rebirth and withering, the consequences of losing balance make the stratum corneum fall off too much or the stratum corneum is too thick. 4, water and oil balance, imbalance will lead to excessive water content in the stratum corneum and relaxation, allowing external unfavorable factors to penetrate the skin and make the skin sensitive. 5, invasion and resistance balance, if the damage factor is greater than the skin's ability to find and repair, it will hurt the skin. The absorption of skin care products is mostly hair growth absorption. In fact, when the skin encounters harmful substances, it will close the pores.