Bringing active molecules to the target site of action is mandatory to attain a biological effect, that is why increasing dermal penetration of active cosmetic agents can be considered as the panacea of modern cometology. Iontophoresis is a virtually painless procedure that uses a mild electrical current to deliver water-soluble, ionized compounds into intact skin and the underlying tissue.
This article provides an introduction to iontophoresis and discusses possible applications of iontophoresis in cosmetics. It also describes recent advances making this technique accessible for consumers at home.
