CONCLUSIONS The biological mechanisms of glutathione, combined with consumer demand for safer alternatives to conventional skin-lightening agents, have contributed to its increasing popularity for skin-lightening purposes
Ethics statement The studies involving humans were approved by the Institutional Review Board of BRANY IRB-Manager, New York, United States
For one treatment designated an Option (oral PPS), several randomized trials were available
Several fruits and vegetables provide alkaline-forming substances including bicarbonate, citrate, and potassium, which alkalinize urine, reduce urinary calcium excretion, and raise urinary citrate, thus reducing kidney stone risk (Morris 1999)
This article is also available in Spanish: Tretinona Gua dermatolgica para pacientes Article References: