Use of nonthermal blue (405- to 420-nm) and near-infrared light (850- to 900-nm) dual-wavelength system in combination with glycolic acid peels and topical vitamin C for skin photorejuvenation.

Author: Fournier N, Fritz K, Mordon S

Author affiliation: CLDP (Center Laser Dermatologie & Phlebologie), La Croisee, Clapiers, France.

Publication date & source: 2006.09, Dermatol Surg., 32(9):1140-6.

Publication type: Clinical Trial; Multicenter Study

BACKGROUND AND OBJECTIVES: A major cause of skin aging is a chronic microinflammation created by environmental conditions and ultraviolet exposures. The hand-free application on the skin of a new intense light combining a narrowband blue-light (405- to 420-nm) antiinflammatory emission and a near-infrared (850- to 890-nm) emission inducing self-defense mechanisms provides a new component to photorejuvenation and antiaging treatment protocols. STUDY DESIGN: An innovative skin rejuvenation schedule is presented in this study. It includes skin exposure to the light, with concomitant glycolic peels and daily vitamin C cream regimen for group A and only topical vitamin C cream and glycolic peels for control group B. RESULTS: Results show a significant improvement on pore size, rhytids, and radiance in group A. Conversely no improvement is noticed in group B except for a brief increase of skin radiance. Mechanisms of action of that specific light source are discussed. CONCLUSION: The exposure to this device can clinically enhance conventional antiaging protocols in skin rejuvenation.

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