By  on July 29, 2005

NEW YORK — Kiehl's Since 1851 is looking to both the past and the future with its latest skin care lineup.

Kiehl's Dermatologist Solutions, a new three-item collection that will launch in October, honors the brand's beginnings as an apothecary on Third Avenue, and reaches into the future with technology the brand says is first-to-market.

Kiehl's, which has collaborated with Harvard Medical School researchers for nearly a decade, also announced at a skin care symposium it held this week that it was awarding the Kiehl's Postdoctoral Fellowship Award to Adrian Salic, assistant professor of cell biology at Harvard Medical School. Salic is also a member of the brand's Dermatology Advisory Panel, which comprises nine scientific experts who specialize in various skin care areas, many at leading universities. The panel consulted on this product collection, and Philip Clough, president of Kiehl's Since 1851, noted that future products could come from the collaboration.

The line's key technology, said Clough, is a stabilized version of vitamin C found in the line's Powerful-Strength Line-Reducing Concentrate. "While vitamin C is not a new ingredient for skin care technology, being able to provide a stabilized version of it is," said Clough. Because vitamin C is sensitive to light, temperature variations, heavy metals and oxygens, the ingredient easily degrades. Kiehl's concocted an anhydrous formula with 10.5 percent pure vitamin C in a stabilizing base.

And that's critical, said Marie-Pierre Stark-Flora, vice president of product development for Kiehl's, because the more stable the vitamin C, the more intense benefits that it delivers. "When applied topically, vitamin C has been shown to make skin look radiant and to diminish the appearance of wrinkles and lines," she noted, adding that this product was tested against retinol in a split-face, double-blind clinical study. "No product has had an effect like this on marionette lines and crow's feet," she added.

In fact, according to James Leyden, a member of Kiehl's Dermatology Advisory panel and an emeritus professor of dermatology at the University of Pennsylvania, the stable vitamin C in the product is equal to or better than retinol in several areas and better tolerated overall.

Powerful-Strength Line-Reducing Concentrate will retail for $55 for 1.7 oz.

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