Limited Edition Powerful-Strength Line-Reducing Concentrate

Celebrating 10 Years of Powerful Results
This Powerful-Strength Line-Reducing Concentrate is formulated with a high concentration of 10.5% Pure Vitamin C (L-Ascorbic Acid) known for its affinity with skin and its powerful ability to improve the appearance of skin aging. With continued use over time, this treatment has a significant and progressive effect on marionette lines around the mouth and sub-orbital wrinkles in the eye area as well as other facial lines and wrinkles. In addition, skin shows a noticeable improvement in texture and radiance.
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Glycerin is a by-product of soap manufacturing and is a clear, syrupy liquid, usually derived from vegetable oil and obtained by adding alkalies to fats and fixed oils. It is a solvent humectant and emollient in many skin care products, as it absorbs moisture from the air and thereby helps products retain their moisture. It improves the spreadability of products and has definite skin moisturizing benefits.

PRO-puh'-leen GLY-kaul

Propylene Glycol is a common moisture carrying ingredient in skin care. It acts as a humectant by absorbing water from the air. It penetrates the upper layers of the skin well and leaves a nice feel.

Rated 4.6 out of 5 by 189 reviewers.
Rated 5 out of 5 by Excellent product I like the improvement of my skin and less wrinkles around my eyes, and forehead. I feel younger. 15/07/15
Rated 5 out of 5 by decadance This is such a treat to apply each morning. My skin is loving it! I feel so special when I use it! 14/07/15
Rated 5 out of 5 by BEST PREVENTION SERUM I love this product as both a treatment and a preventative measure. The texture is really nice, not too watery or thick, but rather a light cream that just melts as you apply it. I have been using the product for over a year, and have noticed an improvement in my skin texture, and especially a reduction in the appearance of fine lines. And best of all, no new lines.... which is why I just can't get enough! The name of the product was a bit intimidating for me as I am only in my late twenties, but it works very well, and now it's an absolute must have for me! Highly recommend this product for both treatment and prevention! 13/07/15
Rated 5 out of 5 by Love this serum Hello, I am a 31-year-old female and I have been using wrinkle creams as a preventative since I was 25. I am now starting to get wrinkles and I love this serum, I definitely notice fine lines filling and I love it :) 13/07/15
Rated 5 out of 5 by Fav Kiehl's Product I could not live without this amazing product! The texture, scent and effects are beautiful. 13/07/15
Rated 5 out of 5 by Excellent serum I have been using this serum for years and I absolutely love it. I hate the feeling of anything on my skin and this is so light that it feels like nothing at all but the effects are definitely noticeable. 12/07/15
Rated 5 out of 5 by Excellent I bought this product for mother as Mother's Day gift, she used after two weeks, she was surprised by the effective function 12/07/15
Rated 4 out of 5 by Results overnight! This concentrate is amazing!! it has definitely significantly reduce my expression lines on my forehead as well as my frown lines. it was shocking to see it work after 1 use! I absolutely love Kiehl's products. it's nice to have finally found something that works 10/07/15
  • 2015-10-03T09:20:32.899-05:00
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