Kiehl's Since 1851 Ultra Pure Hyaluronic Acid 1.5% Serum

What it is: A concentrated facial serum formulated with just seven ingredients to help your skin bounce back with replenishing moisture and intensive hydration.

Skin Type: Normal, Dry, Combination, and Oily

Skincare Concerns: Dryness and Dullness

Formulation: Serum

Highlighted Ingredients:
- Hyaluronic Acid: Helps skin retain moisture and make skin feel more supple and bouncy.

Ingredient Callouts: It comes in recyclable packaging.

What Else You Need to Know: With 1.5 percent hyaluronic acid, this facial serum is formulated with just seven ingredients to replenish dry skin and retain moisture for healthy-looking, hydrated skin. Free of fragrance and colorants, this concentrated serum is minimally formulated for skin absorption and hydration.

Clinical Results: Reported by consumers in a 4-week study:
- After 1 week, 83% agree skin looks replenished

Based on an instrumental study:
- Instantly boosts hydration by 89%

Expert grading in a 4-week clinical study:
- Plumper skin in 1 week