Tetrapeptide Targets Epidermis Cohesion

Actives proposed for skin care generally are focused on wrinkle prevention—but another sign of aging is fragile skin. During aging, the epidermis becomes thinner, the cohesion of the epidermal cells diminishes and the epidermis loses its resistance to environmental aggressors. The skin becomes dry and slack and consequently is easily damaged even with the lightest friction or shock.

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