powerful-strength line-reducing concentrate
WATER-FREE FORMULA • Alcohol-Free • Colorant-Free • No Preservatives Needed
When exposed to water, Pure Vitamin C can degrade causing it to lose its effectiveness. A water-free formula (like Powerful-Strength Line-Reducing Concentrate) helps keep high concentrations of Pure Vitamin C stable and effective.
– Dr. Megan O’Brien,
Kiehl’s Consulting Dermatologist
*With 10.5% Pure Vitamin C and 2% Vitamin Cg
**Study based on detecting presence of Vitamin C after tape stripping of skin surface layers
TRUE OR FALSE?
The more Vitamin C the better?
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The truth about how Vitamin C serum benefits your skin
Over time and with daily oxidative exposure, skin develops deep lines and wrinkles, uneven skin texture, and dullness.
is absorbed into skin and starts working immediately upon contact.
activates once absorbed into the upper layers of skin – forming L-Ascorbic Acid – to boost Vitamin C activity over time.
Lines and wrinkles are visibly diminished. Radiance is improved. Skin texture is noticeably smoothed.
Vitamin C also acts as an antioxidant, helping to prevent future signs of aging.1,2
1 Topical Vitamin C in aging. Colvin, RM and Pinnell, SR. 1996, Clin Dermatol,
2 Enzymatic and non-enzymatic antioxidants in epidermis and dermis of human skin. Shindo, Y, et al. 1994, J Invest Dermatol,
With its ability to hold up to 1000 times its weight in water1, Hyaluronic Acid acts like a sponge by drawing moisture in to skin’s surface layers and expanding as it absorbs to plump lines and refine skin texture.
Data demonstrates that a shorter length hyaluronic acid is better able to penetrate surface layers of skin.2 This allows more moisture to be drawn into the epidermis, causing increased line plumping and texture smoothing efficacy.
1 Functions of hyaluronan. Laurent, TC, Laurent, UBG and Fraser, JRE. 1995, Ann Rheum Dis, Vol. 54, pp.429-432.
2 Ingredient Supplier Data.
Photos not retouched. Individual results may vary.
|Improved tactile skin texture||Improvement in marionette lines||Improvement in facial wrinkles||Improved firmness|
|Improved radiance||Improvement in deep set wrinkles||Reduction in appearance of pores|
|Improvement in facial lines|
Clinical grading in an 8 week study
Expert grader assessment of 52 women 36-65 years old.
Recruitment criteria: open to all ethnicities & all skin types. 50% sensitive skin subjects or greater.