Loading...
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 9.0/9.8 vs Jack Black Protein Booster Skin 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
29 unique
6 in common
23 unique
Where IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles really shines is hydration efficacy, scoring 9.8 compared to Jack Black Protein Booster Skin Serum's 7.8. 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. Jack Black Protein Booster Skin Serum scores 5.3 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 jack Black Protein Booster Skin Serum relies on Camellia Sinensis Leaf Extract, Dipeptide Diaminobutyroyl Benzylamide Diacetate, and Retinyl Palmitate. 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
Jack Black Protein Booster Skin 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 Jack Black Protein Booster Skin 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.
Some links on this site are affiliate links. We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.
© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.