Naturium Vitamin C Complex Serum vs Sunday Riley A+ High-Dose Retinoid Serum
Naturium Vitamin C Complex Serum scores 8.2/9.8 and Sunday Riley A+ High-Dose Retinoid Serum scores 8.0/9.8 — a near-tie where your skin type decides the winner.
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Naturium Vitamin C Complex Serum scores 8.2/9.8 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 0.2 points apart.
Scores last verified: April 2026
19 unique
9 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.
Naturium Vitamin C Complex Serum brings Sodium Ascorbyl Phosphate, Ascorbic Acid, and Glutathione 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.
Naturium Vitamin C Complex Serum is better if you have
Sunday Riley A+ High-Dose Retinoid Serum is better if you have
At budget pricing with a score of 8.2, Naturium Vitamin C Complex Serum delivers strong value. Sunday Riley A+ High-Dose Retinoid Serum sits at the premium level with a 8.0 score — the extra cost doesn't translate to better scores here.
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, Naturium Vitamin C Complex 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.