The unique bio-adherent formula is proven effective with just 8 ingredients —no added perfumes, dyes, preservatives, or estrogen. It not only works fast AND lasts long, it’s discreet so only you know you’re using it. You can use it every 3 days to relieve dryness. Rest assured, Vagisil® ProHydrate™Natural Feel Moisturizing Gel is clinically tested, gynecologist tested and cleared by the FDA.