Kiehl's Over-Night Biological Peel
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 (Hydroxyethylpiperazine Ethane Sulfonic Acid)
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.
Sodium Hyaluronate
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.
Urea
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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