Powerful-Strength Line-Reducing Concentrate
All Skin Types, including Sensitive Skin
A potent Vitamin C serum formulated with 12.5% Vitamin C and Hyaluronic Acid.


NEW TO KIEHL'S?
What It Is
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 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

Filled with Purpose &
Packed with Respect
As we continue to work toward a healthier planet, more responsible sourcing, formulas and packaging are a must.
The Vitamin C within this formula is renewable and synthesized via green science, making our formula more sustainable
and better for the environment. Our Vitamin C serum also comes packaged in environmentally friendly, recycled plastic.
We actively invite all people to join our journey toward a future made better.
The Vitamin C within this formula is renewable and synthesized via green science, making our formula more sustainable
and better for the environment. Our Vitamin C serum also comes packaged in environmentally friendly, recycled plastic.
We actively invite all people to join our journey toward a future made better.

• Formulated without: Parabens,
• Renewable Ascorbyl Glucoside
• Up to 100% recycled plastic packaging
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 moisturizer
- 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 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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