Reference:
Gillbro J.M and Olsson M.J. (2011) Themelanogenesis and mechanisms of skin-lightening agents – existing and new approaches. International Journal of Cosmetic Science. 33: 210–221.
“Vitamin C (Ascorbic acid)” [Online: http://www.nlm.nih.gov/medlineplus/druginfo/natural/1001.html#Description] cited on May 11, 2013.
“Vitamin C (Ascorbic acid) Evidence” [Online: http://www.mayoclinic.com/health/vitamin-c/NS_patient-vitaminc/DSECTION=evidence] cited on May 12, 2013.
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