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Cosmia Crème anti-âge jour et nuit 4 en 1 scores 8.2/9.8 and StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum scores 8.4/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.2 points apart.
Scores last verified: June 2026
36 unique
6 in common
35 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. Cosmia Crème anti-âge jour et nuit 4 en 1 scores 9.5 here versus 5.8 for StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum brings Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, and Ascorbic Acid as actives, while cosmia Crème anti-âge jour et nuit 4 en 1 relies on Ceramide Np, Tocopheryl Acetate, and Avena Sativa (Oat) Kernel Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Cosmia Crème anti-âge jour et nuit 4 en 1 is better if you have
StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum is better if you have
StriVectin Super-C Retinol Brighten & Correct Vitamin C Serum comes in at premium pricing with a 8.4 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, StriVectin Super-C Retinol Brighten & Correct Vitamin C 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.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.