Powerful-Strength Line-Reducing Concentrate
All Skin Types, including Sensitive Skin
A potent Vitamin C serum formulated with 12.5 percent Vitamin C and Hyaluronic Acid.
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A Vitamin C serum that boosts radiance, helps firm skin and visibly diminishes fine lines, wrinkles and pores for smoother-looking skin. Formulated with 10.5% L-Ascorbic Acid and renewable 2% Ascorbyl Glucoside plus Hyaluronic Acid, this patented, water-free concentrate is a Kiehl’s customer favorite.
What It’s Good For
- Helps visibly reduce lines and wrinkles while helping firm skin over time
- Smoothes skin’s texture and helps visibly minimise 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,
• Renewable Ascorbyl Glucoside
• Up to 100% recycled plastic packaging
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:
environmental impact, formulating responsibly, and supporting charitable causes. This formula is made with:

Responsible Formulation

Sustainable Sourcing

Commitment to Recycling
How to Use
- Cleanse skin thoroughly prior to application
- Apply Vitamin C serum over entire face, avoiding the eye area
- As it blends into skin, you may experience a feeling of warmth as the formula activates
- Apply morning and night, after cleansing and toning and before your moisturiser
- Avoid the eye area; in case of contact with eyes, rinse them immediately
- Discover our other anti-aging formulas like our nighttime facial oil.
Did You Know?

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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