#1 Bestseller: Powerful-Strength Line-Reducing Concentrate
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SEPTEMBER 2012: Introduced in 2005 as one of the first formulas in our Kiehl's Dermatologists Solutions Collection, Dermatologist Solutions Powerful-Strength Line-Reducing Concentrate is available in Limited Edition Jumbo 75ml for the first time in September.

A high dosage of Vitamin C, when applied topically, has been shown to have a multitude of positive effects on the skin's appearance. Kiehl's chemists found a way to formulate and stabilize Pure Vitamin C at high levels in a safe and highly efficacious form to maximize the benefits of the ingredients. Formulated with a high concentration of 10.5% Pure Vitamin C (L-Ascorbic Acid), known for its powerful antioxidant properties, the Powerful-Strength Line-Reducing Concentrate works to visibly improve the skin texture and radiance, while decreasing the appearance of lines.
"I like to recommend Powerful-Strength Line- Reducing Concentrate to
my patients because it's primary ingredient, pure Vitamin C at 10.5%, works to minimize lines and wrinkles and it's gentle enough to be used twice daily, without the risk of photosensitivity and irritation associated with many other products in the market. "

Dr. Adam Geyer,

Kiehl's Since 1851 Consulting Dermatologist,
Instructor in Clinical Dermatology at Columbia University.