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Science finds new fix for UV-damaged skin in arthritis treatment

For many women, accumulated sun exposure has already permanently damaged their skin cells, causing them to overproduce pigment that shows up as unsightly dark splotches and uneven skin tone over time. But new research indicates that glucosamine - a compound best known for treating arthritis ?can actually help stop the formation of new age spots, and help fade existing ones.

"These findings on glucosamine may impact the way dermatologists treat UV-related skin damage in the future. Right now we have prescription and surgical options, which some people aren't willing to try," says Alexa Kimball, M.D., assistant professor of dermatology, Harvard Medical School and lead researcher on one of the studies testing glucosamine. "It's exciting to see this level of research being done on topical cosmetic applications of glucosamine, and the promising results."

An International Consensus on Glucosamine Skin BenefitsIn early 2006, a group of leading dermatologists from around the world and Procter & Gamble Beauty scientists convened in Rome to review and discuss the glucosamine data. The panel determined that n-acetyl glucosamine, a more stable form of glucosamine, reduced the amount of melanin in skin cells, meaning there was less excess pigment in the skin to cause age spots. Additionally, the panel concluded that a formulation of n-acetyl glucosamine and niacinamide, a vitamin B derivative, significantly reduced the amount and appearance of hyperpigmentation, age spots and uneven melanin distribution. Researchers paired n-acetyl glucosamine with niacinamide because they knew that niacinamide had similar effects on slowing down pigment production and hypothesized that the two might work better together.

The panel reviewed data from three studies involving the n-acetyl glucosamine /niacinamide formulation. Tissue studies showed a reduction in melanin and an increase in collagen ?a key structural protein in skin. Three double-blinded placebo- contro
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Source:Manning Selvage & Lee


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