Vitamin C (L-Ascorbic acid)

 

Vitamin C, in the form of L-Ascorbic acid, is Vitamin C Royalty. A significant body of scientific research supports the use of skincare products that contain Vitamin C. Clinical studies have found Vitamin C to be effective even in low concentrations, as low as 0.6% (Skin Research and Technology, 2008 ). Among its numerous benefits, are promoting collagen synthesis, photo protection from ultraviolet A and B, lightening hyperpigmentation and other types of discoloration, and improving a variety of inflammatory conditions. As such, Vitamin C is a powerhouse ingredient that helps ensure younger, firmer skin and a more even toned complexion.                                                                             

Sources:

http://www.ncbi.nlm.nih.gov/pubmed/16029672                                                     

 Patrícia M. B. G. Maia Campos, Gisele M. S. Gonçalves andLorena R. Gaspar, In vitro antioxidant activity and in vivo efficacy of topical formulations containing vitamin C and its derivatives studied by non-invasive methods. Skin Research and Technology, Volume 14, Issue 3, pages 376–380, August 2008                                                                                                                       

http://www.ncbi.nlm.nih.gov/pubmed/16029672                             

Telang P. Vitamin C in dermatology.. Indian Dermatol Online J. 2013;4(2):143-146. Also available: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3673383/

Stamford N. Stability; transdermal penetration; and cutaneous effects of ascorbic acid and its derivatives.. J Cosmetic Dermatology.. 2012;11(4):310-7. Also available: http://onlinelibrary.wiley.com/doi/10.1111/jocd.12006/full 

Silke K. Schagen, Vasiliki A. Zampeli, Evgenia Makrantonaki, and Christos C. Zouboulis, Discovering the link between nutrition and skin aging,  Dermato-Endocrinology 07/2012; 4(3):298-307. DOI: 10.4161/derm.22876. Also available: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3583891/

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