Ultra Pure High-Potency Serum 9.8% Glycolic Acid

All Skin Types, including Sensitive Skin

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

Recognized by the Canadian Dermatologist Association (CDA) for: Low potential for irritation. Fragrance Free. Not containing the most common allergens. Non-comedogenic.

Ultra Pure High-Potency Serum 9.8% Glycolic Acid

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

Recognized by the Canadian Dermatologist Association (CDA) for: Low potential for irritation. Fragrance Free. Not containing the most common allergens. Non-comedogenic.

Old price $ 35.00 New price $ 26.25 ($ 0.88 / ml)

Select a size

30 ml

25% OFF!

FREE GIFT!

Quantity

KIEHL'S REWARDS LOYALTY PROGRAM

Join Kiehl's Rewards (it's free!) and earn 26 points.
SIGN UP OR SIGN IN

NEED ADVICE?

Diagnose your skin with our online analysis tool

Diagnose your skin with our online analysis tool Scan Now | Connect 1:1 virtually with a Skincare Expert

Connect 1:1 virtually with a Skincare Expert

Book Now

What It Is

Our 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.

What It’s Good For

Key Ingredients

How to Use

Kiehl’s Environmental Impact Scores

As part of our Kiehl's Mission Renewal journey, we are providing the Environmental Impact Score to help you make informed decisions about the formulas you use. Kiehl’s is committed to continually improving the impact of our products throughout the product lifecycle, including the production and usage phase, and giving access to this data with full transparency. This tool is designed to help assess the relative environmental and social impact of Kiehl’s Products compared to other L’Oréal Group products in the same category in 2020.

The calculation method was developed with the help of independent scientific experts and Bureau Veritas Certification, an independent auditor. The score takes into account 14 environmental impact factors all along the product's life cycle.

Learn more about the methodology, here

Overall environmental impact

Carbon footprint

6.1¹g per average amount used

88 per 10mL

Water footprint

0.3² per usage dose

4.2 per 10mL

This product currently has a less favorable impact than we aim for, so we have set out an action plan to improve its environmental and social performance over the coming months. You can also use [insert Marketing alternative here] as an alternative. The letters and colors used in this tool are designed to help you make comparisons to other L’Oreal Groupe products in the same category around the world in 2020, so you can make more informed choices.

This impact score is based on the simulated usage of 1 product and 4 refills.

Manufacturing Conditions

Made in the United States of America at a responsible plant

Waste recovery:

98%

Renewable energy:

100%

Enviromental impact of the packaging

% of cardboard/paper certified
FSC^TM or PEFC:

100%

% of bottle made of recycled material³:

20%

Recyclable⁴:

Refillable or reusable:

Social impact of the product

The ingredients and components of this product are sourced from suppliers committed to respect the fundamental principles of the UN on labor standards.

5 suppliers used in the making of this product are part of the L’Oreal Solidarity Sourcing Program.

¹Grams of CO2 equivalent ("face care" category average = 9.6g)

²Water index including water quality + water scarcity (m3) - "face care" category average = 1.9

³Excuding pumps and/or caps

⁴Recycling instructions may vary locally

Learn More

Before and After

Our Glycolic Acid facial serum visibly smoothes and refines skin’s texture:

83% Felt Refined Texture Instantly*
Smoothes Skin in 1 Week**

*Reported by consumers during a 4-week study.

**Expert grading at week 2 during a 4-week clinical study.

Complete Your Routine

Discover efficacious formulas to upgrade your routine.

Step 1

Ultra Facial Cleanser

A mild foaming cleanser for all skin types.

Old price $ 22.00 New price $ 16.50

Select a size

Step 2

Step 3

Ultra Facial Cream

Discover our #1, best facial cream for all skin types, even sensitive. This lightweight moisturizer made with 4.5% Squalane provides 24-hour hydration for softer, smoother skin.

Old price $ 80.00 New price $ 60.00

Select a size

Did You Know?

Minimally formulated with only 7 ingredients, our concentrated 9.8% Glycolic Acid serum has a fast-absorbing texture that allows ingredients to be rapidly delivered into the skin to help visibly smooth and refine skin’s texture, minimize pores, and boost radiance.

Ultra Pure High-Potency Serum 9.8% Glycolic Acid	Ultra Pure High-Potency Serum 1.5% Hyaluronic Acid	Ultra Pure High-Potency Serum 5.0% Niacinamide
Ultra Pure High-Potency Serum 9.8% Glycolic Acid	Ultra Pure High-Potency Serum 1.5% Hyaluronic Acid	Ultra Pure High-Potency Serum 5.0% Niacinamide
Skin Type All Types	Skin Type Very Dry Dry	Skin Type Normal to Oily Oily
Skin Concern Uneven Skin Tone Dull Skin	Skin Concern Dryness	Skin Concern Oiliness
Size One size available 30 ml	Size One size available 30 ml	Size One size available 30 ml
Price Old price $ 35.00 New price $ 26.25	Price Old price New price $ 35.00	Price Old price $ 35.00 New price $ 26.25

Purchase options

Purchase options

Ultra Pure High-Potency Serum 9.8% Glycolic Acid

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

Recognized by the Canadian Dermatologist Association (CDA) for: Low potential for irritation. Fragrance Free. Not containing the most common allergens. Non-comedogenic.

KIEHL'S REWARDS LOYALTY PROGRAM

GLYCOLIC ACID

Overall environmental impact

Manufacturing Conditions

Enviromental impact of the packaging

Social impact of the product

Before and After

Complete Your Routine

Ultra Facial Cleanser