Powerful-Strength Line-Reducing Concentrate

Treats Lines & Wrinkles with pure Vitamin C.
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 

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 175 reviewers.
Rated 5 out of 5 by Love this product! I purchased this product approximately 3 months ago on a recommendation from my daughters. They have used Kiehl's products for over 2 years and encouraged me to try this concentrate. I love it! My skin is softer, healthier-looking and I have had several comments recently of 'do you ever age'? I think I'm hooked! 25/09/14
Rated 5 out of 5 by I absolutely love it! I just started using this product a week ago, and already notice an improved appearance in my skin. I love how soft and smooth my skin feels. 21/08/14
Rated 4 out of 5 by After trying a sample of this product I bought a big bottle of it right away. It was a lot more expensive than I was expecting but it left my skin feeling really smooth. I'm not sure how well it works on wrinkles and fine lines but the texture feels like my favorite make-up primers and seems to have a similar effect. Although it absorbs into my skin it leaves a bit of a greasy film and leaves my face a little shiny (not in the glowing, dewy way.) I don't mind the greasy residue I leave behind though because my skin no longer feels dull or dry after using it. 12/08/14
Rated 5 out of 5 by Awesomeness! This serum is a must have! I have red cheeks with some acne scars that are fading and my skin tone is starting to smooth out. I love love love this!! 10/08/14
Rated 5 out of 5 by Love it! I tried this concentrate about a year ago and right away, I loved the tingling sensation of the vitamin C. My skin feels soft and my wrinlkes do look smaller and less defined. Can't go one day without it! 20/05/14
Rated 5 out of 5 by Addictive! This stuff is totally addictive. I'm not sure why but I ignore all others and only want to use this. Makes my skin feel incredible that my entire body is begging for me to use it. If it cost less, I would slather myself in it. 11/02/13
Rated 4 out of 5 by Nice Product I really like this product but do not buy it to apply at bedtime. The creamis white an seems to absorb into your skin nicely but it does stain! I found yellow stains on my pillow case and when I looked at the pump on this product the cream dried the yellow colour. It does not wash out, not sure why this is. 14/09/12
Rated 4 out of 5 by Fanfan skin become more smooth and bright after using 1 month. Love it 01/07/12
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