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Paula's Choice 10% Azelaic Acid Booster for Redness Relief scores 8.4/9.8 and Sunday Riley B3 Nice 10% Niacinamide Serum scores 8.5/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.1 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.
Active Ingredient Strength is another area of separation. Sunday Riley B3 Nice 10% Niacinamide Serum scores 7.6 here versus 5.9 for Paula's Choice 10% Azelaic Acid Booster for Redness Relief. That difference comes down to how each formula is built — the ingredient list tells the story.
Sunday Riley B3 Nice 10% Niacinamide Serum brings Niacinamide, Resveratrol, and Asiaticoside as actives, while paula's Choice 10% Azelaic Acid Booster for Redness Relief relies on Azelaic Acid, Salicylic Acid, and Adenosine. 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
Sunday Riley B3 Nice 10% Niacinamide Serum 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 is a decent pick. Sunday Riley B3 Nice 10% Niacinamide Serum sits at the premium level with a 8.5 score — the higher investment pays off in formulation quality.
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, Sunday Riley B3 Nice 10% Niacinamide Serum 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.