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ORIGINAL ARTICLE

Topical polyphenolic antioxidants reduce the adverse effects of intense pulsed light therapy

Pages 142-145 | Received 15 Dec 2008, Accepted 21 Apr 2009, Published online: 02 Jun 2009
 

Abstract

Background: Intense pulsed light therapy (IPL) has been associated with erythema and increased lipid peroxidation. Polyphenolic antioxidants have been shown to decrease inflammation and reduce oxidative stress in irradiated skin. Objective: To determine whether the topical application of polyphenolic antioxidants to IPL‐treated skin reduced the adverse effects of IPL exposure. Methods: In a split‐face study, 10 volunteers underwent three full‐face IPL treatments (16 J/cm2, 10ms, 560nm filter) spaced 3 weeks apart. A polyphenolic antioxidant solution was pneumatically applied to the left side of the face, beginning immediately before the first IPL treatment then weekly for six treatments. The lipid peroxide concentration, skin antioxidant level and skin moisture content were obtained before and after the study. Results: Skin treated with IPL alone contained a significantly higher concentration of lipid peroxides when compared to skin treated with IPL plus polyphenolic antioxidants (p<0.05). Skin treated with IPL alone contained a significantly lower level of polyphenolic antioxidants and had a significantly lower moisture content (p<0.05). Conclusions: In this study, the concurrent pneumatic topical application of polyphenolic antioxidants reduced lipid peroxidation and skin dehydration in IPL‐treated skin. Polyphenolic antioxidants may confer a protective effect on facial skin and enhance the effects of IPL therapy.

Acknowledgements

The author would like to acknowledge Jacqueline D. Higgins for her assistance with manuscript preparation and technical support.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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