Lancaster's Sun 365 Self Tan Gradual Self Tanning Serum gives skin a fresh, instant glow while readying it for a faster, longer-lasting tan from the sun. Developed for use on the face, this serum's Tan Activator Complex stimulates the production of natural melanin to prepare skin for sun exposure.This lightweight formula also provides hydration and antioxidant protection while delivering illuminating pigments that mimic natural tan color upon application.