IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles vs Sulwhasoo Overnight Vitalizing Mask
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 9.0/9.8 and Sulwhasoo Overnight Vitalizing Mask scores 9.0/9.8 — a near-tie where your skin type decides the winner.
Head to head

Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles
Overnight Vitalizing Mask
Score comparison
These two are neck and neck — just 0.0 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
Sulwhasoo WINSFormulation Safety
IOPE WINSIngredient face-off
23% overlapOnly in IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles
23 unique
Shared ingredients
12 in common
Only in Sulwhasoo Overnight Vitalizing Mask
40 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.
Ingredient Transparency is another area of separation. Sulwhasoo Overnight Vitalizing Mask scores 8.8 here versus 8.5 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 sulwhasoo Overnight Vitalizing Mask relies on Camellia Sinensis Leaf Extract, Panax Ginseng Root Extract, and Ophiopogon Japonicus Root Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
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
Sulwhasoo Overnight Vitalizing Mask 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 premium pricing with a score of 9.0, IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles is a decent pick. Sulwhasoo Overnight Vitalizing Mask sits at the luxury 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: IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles or Sulwhasoo Overnight Vitalizing Mask?
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.
Do IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles and Sulwhasoo Overnight Vitalizing Mask share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles and Sulwhasoo Overnight Vitalizing Mask?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.