3
Shared Ingredients
Comparing Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum versus Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum — shared ingredients, unique components, comedogenic & irritancy ratings and unique benefits.

Product 1
Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum

Product 2
Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum
3
Shared Ingredients
4
Unique to Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum
4
Unique to Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum
Neither product contains highly comedogenic ingredients (rating ≥ 3), making both suitable for acne-prone skin. Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum scores lower on irritancy, which may suit sensitive skin better. Both products share 3 ingredients in common. Kiehl's Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum has 4 unique ingredients while Kiehl's Ultra Pure High-Potency 9.8% Glycolic Acid Serum has 4.
Comedogenic
4 rated
Safe
7 rated
Irritant
6 rated
Based on 7 rated ingredient s
Comedogenic
6 rated
Safe
7 rated
Irritant
7 rated
Based on 7 rated ingredient s
By comparing Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum and Ultra Pure High-Potency 9.8% Glycolic Acid Serum side-by-side, you can identify which product has fewer irritants and a better safety profile for sensitive skin. Check the irritancy ratings in the comparison matrix above.
The comparison tool highlights comedogenic (pore-clogging) ingredients in both Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum and Ultra Pure High-Potency 9.8% Glycolic Acid Serum. Review the comedogenic ratings above to see which formulation is less likely to cause breakouts.
Our ingredient analysis matrix lists all shared ingredients as well as those unique to either Ultra Pure High-Potency 1.5% Hyaluronic Acid Serum or Ultra Pure High-Potency 9.8% Glycolic Acid Serum.
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