Active SerumExperience the power of iS Clinical's bestselling Active Serum. This fast acting, long term formula delivers remarkable results for all skin types and ages. Clinically proven to reduce fine lines and wrinkles, even skin tone, and combat blemishes. Feel the potent activity with a cool tingling sensation upon application. Visible improvements often appear within days. Dermatologists praise it as "phenomenal" for its effectiveness. Benefits Reduces the