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Over-Night Biological Peel

A potent, overnight peel for smoother, more even skin.
  • Helps to gently renew skin, leaving texture softer, more even, and vibrant after first use
  • With continued use, helps reduce the look of pore size and ameliorate the effects of free-radical and photo-damage
  • Non-comedogenic, oil-free, and dermatologist tested
  • May be used by all skin types
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"It's extremely powerful but so gentle on my skin-- by morning, my skin is softer, smoother and clearer."

Roshini, Kiehl’s Insider

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How to Apply:
-Cleanse skin thoroughly prior to application
-Apply face peel at night, avoiding immediate eye area, and allow to dry on skin
-Leave on overnight and remove with warm water in the morning
-Use three times per week, or more as needed

HEPES, or Hydroxyethylpiperazine Ethane Sulfonic Acid, is a chemical buffer which is widely used in cell culture to maintain physiological pH. This amino-sulfonic derivative helps to improve skin and limits roughness.

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Sodium Hyaluronate is the sodium salt of Hyaluronic Acid. It is used as a moisturizing agent, viscosifier and emulsifier. It forms a transparent film on the skin which has a soothing and lubricating action. It is a powerful humectant as it is capable of binding 1,800 times its own weight in water. See also: Hyaluronic Acid.

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An enzyme activator naturally present in the surface layer of the skin (epidermis), Urea accelerates the natural process of cell renewal through the exfoliation of dead surface skin cells. The ingredient has a water binding effect in the top layers of the skin thus acting as a natural moisturizing agent in human skin.

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We’re confident you will see healthier, revitalized skin in
28 days. Guaranteed or your money back.

Kiehl’s Skincare is scientifically formulated to restore and strengthen the skin barrier for healthier, younger-looking skin. Our targeted treatments are powerful, yet safe preparations which act to correct and treat your specific skin needs and concerns.