Allergen & irritant analysis
2 flaggedThis exfoliator from Kiehl's lists 7 ingredients. AllerNote's analysis flags 2 common irritants in the INCI list. No added fragrance, parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates were detected in the listed ingredients.
- Alcohol denat.Can be drying and sensitizing, especially for sensitive skin, by stripping natural oils and disrupting the skin barrier.
- Sodium hydroxideStrong alkaline substance that can be highly corrosive and irritating in high concentrations; used safely in cosmetics only in neutralized, low concentrations for pH adjustment.
Not detected: added fragrance, parabens, MI / MCI (isothiazolinones), formaldehyde-releasing preservatives, SLS / SLES sulfates.
Generated from this product's ingredient list and AllerNote's allergen database — educational, not medical advice or a substitute for patch testing.
Benefits
Key Ingredients
- 1AHAExfoliates skin for a brighter complexion.
- 2Hyaluronic AcidHydrates by attracting and holding water.
- 3ExfoliatorsRemoves dead skin cells to smoothe texture.
Full Ingredient List
7INCI (full list, INCI order): water, glycolic acid, glycerin, alcohol denat., sodium hydroxide, sodium hyaluronate, hydroxyethylcellulose
Tap any ingredient to see details
Potential Concerns
- May Worsen RosaceaCan trigger flare-ups in rosacea-prone skin.
- May Worsen DrynessCan strip moisture and worsen dryness.
- May Worsen EczemaMay worsen itching or irritation for eczema.
- May Worsen IrritationMay cause stinging, redness, or sensitivity.
- May Worsen Oily SkinMay increase shine or excess oil.
Frequently asked questions
Is Ultra Pure High-Potency 9.8% Glycolic Acid Serum fragrance-free?
No added fragrance or EU-labelled fragrance allergens were detected in Ultra Pure High-Potency 9.8% Glycolic Acid Serum's listed ingredients. "Not detected" isn't an absolute guarantee, but it's a good sign for fragrance-sensitive skin — confirm against the current pack and your own triggers.
Is Ultra Pure High-Potency 9.8% Glycolic Acid Serum paraben-free?
No parabens were detected in Ultra Pure High-Potency 9.8% Glycolic Acid Serum's listed ingredients. Worth keeping in perspective: parabens are among the least common cosmetic allergens, so "paraben-free" matters far less for reactive skin than avoiding fragrance or the preservative MI/MCI.
Is Ultra Pure High-Potency 9.8% Glycolic Acid Serum suitable for sensitive or allergy-prone skin?
It depends on your specific triggers. Ultra Pure High-Potency 9.8% Glycolic Acid Serum contains 0 flagged allergens and 2 irritants (listed in the analysis above). If none are on your personal allergen list it may suit you, but patch test first — add your allergens to AllerNote to check Ultra Pure High-Potency 9.8% Glycolic Acid Serum against your own profile.