Our clays are mined directly from the earth and contain many minerals. Simply mix with warm water [using non-metal tools] and apply as a full mask or on a specific spot. You can make it as thin or thick as you wish. Leave on for no more than 5 minutes to avoid drying out skin. Follow with hydration. Plant [French Green Clay]: 856409008716 Earth [Rhassoul Clay]: 856409008709 Duo Set [Both Clays]: 856409008693