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Horace Sérum Acide salicylique + Niacinamide scores 8.0/9.8 and Sunday Riley A+ High-Dose Retinoid Serum scores 8.0/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.0 points apart.
Scores last verified: April 2026
17 unique
39 unique
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. Sunday Riley A+ High-Dose Retinoid Serum scores 7.5 here versus 5.9 for Horace Sérum Acide salicylique + Niacinamide. That difference comes down to how each formula is built — the ingredient list tells the story.
Horace Sérum Acide salicylique + Niacinamide brings Niacinamide, Zinc Pca, and Salicylic Acid as actives, while sunday Riley A+ High-Dose Retinoid Serum relies on Retinol, Ubiquinone, and Honey Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Horace Sérum Acide salicylique + Niacinamide is better if you have
Sunday Riley A+ High-Dose Retinoid Serum is better if you have
Sunday Riley A+ High-Dose Retinoid Serum comes in at premium pricing with a 8.0 score, which is solid value at that tier.
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, Horace Sérum Acide salicylique + Niacinamide 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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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.