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. Tula Tula moisturiser +spf30 scores 9.4 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 tula Tula moisturiser +spf30 relies on Hedychium Coronarium Root Extract, Lactic Acid, and Cichorium Intybus (Chicory) Root Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.