Suggest that the earlier the better.
Due to the dry and changeable air, unstable air humidity, ultraviolet rays and other factors, coupled with the decline of skin mechanism, the metabolism of own cells is slow, and the secretion of sebaceous glands and sweat glands begins to decrease.
As a result, the moisture content of the stratum corneum will be reduced-dryness, discomfort, dullness or spots will inevitably invade, and skin fine lines will increase.
Then, as the most important first step of our anti-aging, it is to replenish water and moisturize.