innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging vs IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores 9.1/9.8 and IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 9.0/9.8 — a near-tie where your skin type decides the winner.
Head to head

Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
IOPE WINSIrritation Risk
TIEActive Ingredient Strength
innisfree WINSIngredient Transparency
IOPE WINSFormulation Safety
TIEIngredient face-off
33% overlapOnly in innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging
31 unique
Shared ingredients
15 in common
Only in IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles
20 unique
Why these two are neck and neck
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. IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 9.8 here versus 8.7 for innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging brings Niacinamide, Allantoin, and Tocopherol as actives, while iOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles relies on Niacinamide, Tocopherol, and Tocopheryl Acetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Anyone who prefers clean, well-vetted formulations
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 9.1, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging delivers strong value. IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles sits at the premium level with a 9.0 score — the extra cost doesn't translate to better scores here.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.


Frequently asked questions
Which is better: innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging or IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles?
Based on ingredient analysis, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores higher overall. See the full score breakdown above for details on each attribute.
Do innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.