Calypso's Once a Day Tan & Protect combines UVA/UVB protection with melanin boosting ingredients to increase the underlying process of tanning. Offers all-day sun protection that is absorbed quickly into the skin. It is active after 15 minutes of application and provides broad-spectrum UVA/UVB protection. The formula is non-greasy and fragrance-free, and it is water-resistant. This product helps activate natural tanning, leading to a longer-lasting tan.