UK Skinpia 10 Supplier - Unifect As the moisture maintaining function of the stratum corneum decreases, the skin dries to generate a lot of keratin, and as the skin barrier function decreases, a stimulant-inducing substance such as a As the moisture maintaining function of the stratum corneum decreases, the skin dries to generate a lot of keratin, and as the skin barrier function decreases, a stimulant-inducing substance such as an antigen protein hard to enter from the normal skin enters the stratum corneum to easily generate skin allergies or the like, and exhibits severe antisepticism.