innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars vs IOPE IOPE Retinol Expert 0.1%
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.6/9.8 vs IOPE IOPE Retinol Expert 0.1% at 8.2/9.8. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars wins for hydration.
Head to head

Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
Score comparison
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars takes this one, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
innisfree WINSIrritation Risk
TIEActive Ingredient Strength
IOPE WINSIngredient Transparency
innisfree WINSFormulation Safety
TIEIngredient face-off
26% overlapOnly in innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
26 unique
Shared ingredients
9 in common
Only in IOPE IOPE Retinol Expert 0.1%
6 unique
Why innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars comes out ahead
Where innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars really shines is hydration efficacy, scoring 9.8 compared to IOPE IOPE Retinol Expert 0.1%'s 6.3. With Glycerin, Butylene Glycol, and Betaine in its top ingredients, innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. IOPE IOPE Retinol Expert 0.1% scores 7.4 here versus 6.4 for innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars brings Niacinamide, Allantoin, and Lactobacillus Ferment Lysate as actives, while iOPE IOPE Retinol Expert 0.1% relies on Niacinamide, Retinol, and Retinyl Palmitate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars 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 IOPE Retinol Expert 0.1% is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 9.6, innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars delivers strong value. IOPE IOPE Retinol Expert 0.1% sits at the premium level with a 8.2 score — the extra cost doesn't translate to better scores here.
Our verdict
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars wins this comparison with a meaningfully stronger ingredient profile and overall score.


Frequently asked questions
Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars or IOPE IOPE Retinol Expert 0.1%?
Based on ingredient analysis, innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores higher overall. See the full score breakdown above for details on each attribute.
Do innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars and IOPE IOPE Retinol Expert 0.1% 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 Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars and IOPE IOPE Retinol Expert 0.1%?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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