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Paula's Choice Clinical 1% Retinol Treatment scores 8.9/9.8 vs IUNIK IUNIK Tea Tree Relief Serum at 6.8/9.8. Paula's Choice Clinical 1% Retinol Treatment wins for active ingredients.
Paula's Choice Clinical 1% Retinol Treatment takes this one, winning 3 of 5 attributes.
Scores last verified: April 2026
7 unique
42 unique
Where Paula's Choice Clinical 1% Retinol Treatment really shines is active ingredient strength, scoring 7.1 compared to IUNIK IUNIK Tea Tree Relief Serum's 2.0. Its formula features Retinol, Palmitoyl Tetrapeptide-7, and Dipotassium Glycyrrhizate in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Paula's Choice Clinical 1% Retinol Treatment scores 9.8 here versus 5.9 for IUNIK IUNIK Tea Tree Relief Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Paula's Choice Clinical 1% Retinol Treatment brings Retinol, Palmitoyl Tetrapeptide-7, and Dipotassium Glycyrrhizate as actives, while iUNIK IUNIK Tea Tree Relief Serum relies on Allantoin and Arginine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
IUNIK IUNIK Tea Tree Relief Serum is better if you have
Paula's Choice Clinical 1% Retinol Treatment is better if you have
At budget pricing with a score of 6.8, IUNIK IUNIK Tea Tree Relief Serum is a decent pick. Paula's Choice Clinical 1% Retinol Treatment sits at the mid-range level with a 8.9 score — the higher investment pays off in formulation quality.
Paula's Choice Clinical 1% Retinol Treatment wins this comparison with a meaningfully stronger ingredient profile and overall score.
Based on ingredient analysis, Paula's Choice Clinical 1% Retinol Treatment scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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