Hi Sensitive Protective Serum is the formula specifically designed to protect against those aggressive factors that increase sensitivity in sensitive skin. This light protective serum is designed to exert multiple actions on the skin: It creates a protective film to prevent the accumulation and penetration of polluting particles, reducing irritation. It helps to balance the bacterial microbiome, preventing the growth of bacteria that are harmful to the barrier function. Regenerates the skin and protects against loss of hydration.