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Competing interests The authors have no relevant financial or non-financial interests to disclose
Glycolic acid should be applied first to exfoliate and prepare the skin for better absorption of vitamin C
Consistent deficiency of glutathione is a primary cause of oxidative stress, which can influence the development of cancer, diabetes, heart attack, liver disease and Alzheimer's disease
Though there is positive evidence for the use of L-arginine in combination with other molecules, this evidence is restricted to a very limited number of studies and even those studies have very small sample sizes, and should rather be considered pilot researches instead of full-fledged evidence of efficacy in ED
Precautions: Consult your doctor or dermatologist before using any product that contains ingredients such as Alpha-Arbutin or Glutathione, as they may not be safe for use during pregnancy and breastfeeding
