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. SK-II Skinpower Airy Milky Lotion scores 9.0 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 sK-II Skinpower Airy Milky Lotion relies on Niacinamide, Tocopheryl Acetate, and Paeonia Albiflora Root Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
SK-II Skinpower Airy Milky Lotion comes in at luxury pricing with a 8.0 score, which is solid value at that tier.