Serum & Treatment
Powerful-Strength Line-Reducing Concentrate - 1.7 oz
The Powerful-Strength Line-Reducing Concentrate is a potent vitamin C serum by Kiehl's Since 1851 that is formulated with 12.5% vitamin C and hyaluronic acid.
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Product profile
Ingredient analysis
Formula analysis is a rule-based estimate, not dermatological advice. Individual reactions vary. Always patch test new products.
Formula overview
This silicone-forward serum delivers potent Vitamin C (as ascorbic acid and ascorbyl glucoside) in a lightweight, fast-absorbing base. Hyaluronic acid and adenosine support skin hydration and firmness, while the formula tends to feel smooth and blend seamlessly.
Compatibility
Contains citrus peel oils which may increase sun sensitivity; use SPF daily and patch test first.
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