| abstract |
A composition comprising a lysosomotropic agent, and optionally phosphodiesterase inhibitors, and/or methylxanthines for increasing synthesis of melanin in a human melanocyte thereby enhancing pigmentation of the human skin. Use of this composition promotes tanning of the human skin and increases photoprotection from ultraviolet radiation. An organ culture system comprising viable human foreskin samples which may be used to test the effects of agents on human skin, including pigmentation enhancers on human skin. |