There Niacinamide it is a powerful active ingredient with soothing and regenerating properties ideal for sensitive, hypersensitive, and reactive skin. Particularly effective in reducing redness and improving skin elasticity, helping it defend against external aggressions, stress, and conditions caused by altered hormonal levels, such as acne or late-onset acne. It acts as a precursor to essential coenzymes for cellular repair, protecting the skin from UV damage and oxidative stress, as it is capable of restoring cellular energy, contributing to the repair of skin DNA. Niacinamide "It is also effective in the treatment of post-acne hyperpigmentation as it works by blocking the transfer of melanin from melanocytes to keratinocytes, thus preventing the accumulation of melanin on the surface and contributing to evening out the skin tone and reducing dark spots."