Kiehl's Since 1851 Ultra Pure High-Potency 9.8% Glycolic Acid Serum 1oz

Kiehl's Since 1851 Ultra Pure High-Potency 9.8% Glycolic Acid Serum 1oz

A concentrated 9.8% Glycolic Acid serum made with only 7 ingredients that visibly smoothes skin texture and boosts skin’s glow.

What It Is

Kiehl's gentle exfoliating Glycolic Acid facial serum is minimally formulated with only seven ingredients to visibly boost skin’s glow and reduce the appearance of pores. Concentrated with 9.8% Glycolic Acid, our potent formula helps visibly refine skin’s texture for a smooth, glowing appearance.

• Formulated to help visibly minimize pores and refine skin’s texture
• Minimally formulated for optimal skin absorption and efficacy
• Boosts skin renewal in three days
• Reduces the appearance of pores in four weeks
• Suitable for all skin types, including sensitive
• Free of fragrance and colorants

Key Ingredients

GLYCOLIC ACID
Glycolic Acid is a naturally occurring fruit acid derived from sugar cane known to help smooth skin.

How to Use

• Apply 2-3 drops to clean, dry skin in the evening
• Explore Kiehl's other concentrated facial serums like our 1.5% Hyaluronic Acid serum and 5% Niacinamide serum.

Try out our Glycolic Acid serum skin hacks below:

• Zone treat your face by applying Glycolic Acid serum to areas prone to roughness. Follow with your favorite moisturizer where needed.
• Use as an exfoliating treatment for cracked heels.
• Layer with our Hyaluronic Acid serum to hydrate & rebalance skin’s moisture.
• Layer with our Niacinamide serum to reduce oil & sooth skin.

Before and After

Our Glycolic Acid facial serum visibly smoothes and refines skin’s texture:
 
Instantly, 83% Felt Refined Texture*
After 1 Week, 98% Agree Skin Feels Softer*
Smoother Skin in 1 Week**

*Reported by consumers in a 4-week study.
**Expert grading in a 4-week clinical study.