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IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 9.0/9.8 vs Sunday Riley B3 Nice 10% Niacinamide Serum at 8.5/9.8. IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles wins for hydration.
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles edges ahead, winning 1 of 5 attributes.
Scores last verified: June 2026
30 unique
36 unique
Where IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles really shines is hydration efficacy, scoring 9.8 compared to Sunday Riley B3 Nice 10% Niacinamide Serum's 5.1. With Butylene Glycol, Glycerin, and Panthenol in its top ingredients, IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Sunday Riley B3 Nice 10% Niacinamide Serum scores 7.6 here versus 4.7 for IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles. That difference comes down to how each formula is built — the ingredient list tells the story.
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles brings Niacinamide, Tocopherol, and Tocopheryl Acetate as actives, while sunday Riley B3 Nice 10% Niacinamide Serum relies on Niacinamide, Resveratrol, and Asiaticoside. Both approaches have merit, but the positioning and supporting ingredients make the difference.
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles is better if you have
Sunday Riley B3 Nice 10% Niacinamide Serum is better if you have
Both sit in the premium bracket, so value comes down to formulation quality. IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles gets the nod here with its 9.0 overall score — you're getting more for a similar outlay.
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles edges ahead with a slightly stronger formulation, but Sunday Riley B3 Nice 10% Niacinamide Serum is still a solid pick.
Based on ingredient analysis, IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles 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.
Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.