Where Naturium Vitamin C Super Serum Plus really shines is hydration efficacy, scoring 8.2 compared to Horace Sérum Acide salicylique + Niacinamide's 5.9. With Glycerin, Sodium Hyaluronate, and Aloe Barbadensis Leaf Juice in its top ingredients, Naturium Vitamin C Super Serum Plus delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Naturium Vitamin C Super Serum Plus scores 8.2 here versus 7.4 for Horace Sérum Acide salicylique + Niacinamide. That difference comes down to how each formula is built — the ingredient list tells the story.
Naturium Vitamin C Super Serum Plus brings Niacinamide, Ascorbic Acid, and Glutathione as actives, while horace Sérum Acide salicylique + Niacinamide relies on Niacinamide, Zinc Pca, and Salicylic Acid. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Naturium Vitamin C Super Serum Plus comes in at budget pricing with a 8.7 score, which is solid value at that tier.