Antioxidants In Skincare


Antioxidants are substances that help protect the skin’s surface from oxidative damage caused by free radicals and environmental aggressors like UV and pollution. Antioxidants are often found in skin care product formulas because of their powerful anti-aging benefits.

At Kiehl’s, we understand the importance of transparency when it comes to our skincare products. We are committed to using highly efficacious ingredients packed with antioxidants to deliver healthy-looking skin. Read on as we share some of our favorite ingredients used in our formulas that contain essential antioxidants!


L-Ascorbic Acid , also known as Pure Vitamin C, is a highly effective antioxidant known for its ability to improve the appearance of aging skin over time with continued use. Vitamin C plays a vital role in skin health by stimulating reactions resulting in collagen production.

Knowing the importance of L-Ascorbic Acid , our chemists stabilized 10.5% Vitamin C in our potent, water-free concentrate. Powerful-Strength Line-Reducing Concentrate is a customer-favorite Vitamin C serum that helps boost radiance, smooth skin texture, and diminish the appearance of fine lines, wrinkles, and pores. Our patented formula is concentrated with 12.5% Vitamin C while still being suitable for sensitive skin.

KIEHL’S TIP: For an ultimate antioxidant experience, use a facial moisturizer suited for your skin type right after applying Powerful-Strength Line-Reducing Concentrate to help lock in the benefits of Vitamin C.


Manuka Honey is a dark creamy honey valued for its strong antioxidant properties. It provides very high antioxidant benefits compared to other kinds of honey. Our Manuka Honey is sustainably-sourced from the North Island of New Zealand and infused into our revitalizing face cream. Pure Vitality Skin Renewing Cream, formulated with Manuka Honey, is a 99.6% naturally-derived* cream that increases vibrancy, helps build a stronger skin barrier, and visibly renews skin for smoother texture and radiance.

* We consider an ingredient to be naturally-derived if it remains unchanged from its natural state or has undergone processing, yet still retains more than 50% of its molecular structure from its original natural source.


Ginger Root Essential Oil is an antioxidant that helps defend skin’s surface from damage caused by free radicals and environmental aggressors. It is infused into our lightweight facial oil and formulated to help revitalize and energize skin. Daily Reviving Concentrate is a potent antioxidant powerhouse that helps correct visible dullness, lines, and rough texture, leaving skin glowing and feeling fresh.

KIEHL’S TIP: Start your day by adding Daily Reviving Concentrate to your morning routine. A few drops of this antioxidant serum will help correct visible signs of fatigue for an all-day glow!

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