A method for improving the appearance of the skin, moisturizing skin and/or providing an antioxidant effect to skin by administering to skin a composition comprising an effective amount of a hydrogen-generating agent or molecular hydrogen and a carrier having a phosphatidylcholine component entrapping the hydrogen-generating agent or molecular hydrogen. A skin care product has an effective amount of molecular hydrogen and/or a hydrogen-generating agent and a carrier entrapping them. Desirably, the composition is an aqueous base, and the hydrogen-generating agent and the carrier form a first phase of the composition, and an emulsifier forms a second phase of the composition.
