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Powerful-Strength Line-Reducing Concentrate

All Skin Types, including Sensitive Skin

Vitamin C Serum Designed for Anti Aging Actions

Powerful-Strength Line-Reducing Concentrate

Vitamin C Serum Designed for Anti Aging Actions

Old price New price $ 116.00 ($ 1.55 / ml)
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What It Is

Anti aging action made easy with Kiehl's. Introducing a vitamin c serum made to do it all: boosts radiance, firms skin and visibly diminishes fine lines, wrinkles and pores for smoother-looking skin. Formulated with 10.5% L-Ascorbic Acid and 2% Ascorbyl Glucoside plus Hyaluronic Acid, this patented, water-free concentrate is a Kiehl’s customer favorite.

What It's Good For

  • Helps with anti aging action, such as reducing lines and wrinkles while helping firm skin over time
  • Smoothes skin’s texture and helps visibly minimize the appearance of pores
  • Antioxidant Vitamin C penetrates skin’s deeper surface layers and remains effective in skin for up to 6 days
  • Provides visible results in just 2 weeks
  • Dermatologist-tested for safety
  • Formulated for all skin types, including sensitive skin







• Formulated without: Parabens, Mineral Oil, Water, Alcohol and Dye

• Renewable Ascorbyl Glucoside

• Up to 100% recycled plastic packaging

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

Key Ingredients

How to Use

  1. Ensure entire face is cleansed prior to application
  2. Apply Vitamin C serum over entire face, avoiding the eye area
  3. As it blends into skin, you may experience a feeling of warmth as the formula activates
  4. For morning and evening use, post cleansing and toning and before your moisturizer
  5. Be sure to avoid the eye area; in case of contact with eyes, rinse them immediately
Discover our other anti-aging formulas like our nighttime facial oil and our eye cream with Pro-Retinol

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!

Future Made Better

True to our founding family’s mission, we strive to improve the quality of the communities we serve by reducing our
environmental impact, formulating responsibly, and supporting charitable causes. This formula is made with:
Responsible Formulation
Commitment to Recycling

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