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Paula's Choice Clinical 1% Retinol Treatment scores 8.9/9.8 vs TIA'M TIA'M Vita B3 Source Serum at 7.3/9.8. Paula's Choice Clinical 1% Retinol Treatment wins for hydration.
Paula's Choice Clinical 1% Retinol Treatment takes this one, winning 3 of 5 attributes.
Scores last verified: April 2026
42 unique
7 unique
Where Paula's Choice Clinical 1% Retinol Treatment really shines is hydration efficacy, scoring 9.8 compared to TIA'M TIA'M Vita B3 Source Serum's 6.2. With Glycerin, Butylene Glycol, and Sodium Hyaluronate in its top ingredients, Paula's Choice Clinical 1% Retinol Treatment delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Paula's Choice Clinical 1% Retinol Treatment scores 7.1 here versus 4.2 for TIA'M TIA'M Vita B3 Source 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 tIA'M TIA'M Vita B3 Source Serum relies on Niacinamide, Allantoin, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Paula's Choice Clinical 1% Retinol Treatment is better if you have
TIA'M TIA'M Vita B3 Source Serum is better if you have
At mid-range pricing with a score of 8.9, Paula's Choice Clinical 1% Retinol Treatment delivers strong value. TIA'M TIA'M Vita B3 Source Serum sits at the budget level with a 7.3 score — the extra cost doesn't translate to better scores here.
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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