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Paula's Choice 10% Azelaic Acid Booster for Redness Relief scores 8.4/9.8 and U Beauty Resurfacing Compound Face Serum with Retinol + Vitamin C scores 8.2/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.2 points apart.
Scores last verified: June 2026
17 unique
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These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. Paula's Choice 10% Azelaic Acid Booster for Redness Relief scores 7.4 here versus 7.1 for U Beauty Resurfacing Compound Face Serum with Retinol + Vitamin C. That difference comes down to how each formula is built — the ingredient list tells the story.
Paula's Choice 10% Azelaic Acid Booster for Redness Relief brings Azelaic Acid, Salicylic Acid, and Adenosine as actives, while u Beauty Resurfacing Compound Face Serum with Retinol + Vitamin C relies on Sodium Ascorbyl Phosphate, Dimethyl Sulfone, and Hamamelis Virginiana (Witch Hazel) Leaf Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Paula's Choice 10% Azelaic Acid Booster for Redness Relief is better if you have
U Beauty Resurfacing Compound Face Serum with Retinol + Vitamin C is better if you have
At mid-range pricing with a score of 8.4, Paula's Choice 10% Azelaic Acid Booster for Redness Relief delivers strong value. U Beauty Resurfacing Compound Face Serum with Retinol + Vitamin C sits at the luxury level with a 8.2 score — the extra cost doesn't translate to better scores here.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Based on ingredient analysis, Paula's Choice 10% Azelaic Acid Booster for Redness Relief 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.
Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.