Powerful-Strength Line-Reducing Concentrate with Vitamin C
All Skin Types, including Sensitive Skin
Vitamin C Serum Designed for Anti Aging Actions
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Before and After Using our Powerful-Strength Line-Reducing Concentrate

Activate youth with clinically proven results:
- Instantly: Boosts radiance*
- In 2 weeks: Visibly reduces fine lines*
*Results based on 8-week clinical study with 51 women
Did You Know?

Kiehl's is no stranger to the powers of vitamin c. Kiehl’s became pioneers in Vitamin C skincare when we first stabilized Vitamin C in our efficacious, water-free concentrate. Our patented Vitamin C serum is highly stable ensuring that our formula is concentrated with an efficacious amount of Vitamin C while still being suitable for sensitive skin. Within our formula, our Vitamin C penetrates skin’s deeper surface layers — up to 10 layers deep!
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