innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars vs Paula's Choice Clinical Niacinamide 20% Treatment
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.6/9.8 vs Paula's Choice Clinical Niacinamide 20% Treatment at 8.7/9.8. 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

Clinical Niacinamide 20% Treatment
Score comparison
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
innisfree WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
17% overlapOnly in innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
29 unique
Shared ingredients
6 in common
Only in Paula's Choice Clinical Niacinamide 20% Treatment
17 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 Paula's Choice Clinical Niacinamide 20% Treatment's 6.8. 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.
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars brings Niacinamide, Allantoin, and Lactobacillus Ferment Lysate as actives, while paula's Choice Clinical Niacinamide 20% Treatment relies on Niacinamide, Acetyl Glucosamine, and Ascorbyl Glucoside. 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
Paula's Choice Clinical Niacinamide 20% Treatment is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars gets the nod here with its 9.6 overall score — you're getting more for a similar outlay.
Our verdict
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars edges ahead with a slightly stronger formulation, but Paula's Choice Clinical Niacinamide 20% Treatment is still a solid pick.


Frequently asked questions
Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars or Paula's Choice Clinical Niacinamide 20% Treatment?
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 Paula's Choice Clinical Niacinamide 20% Treatment 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 Paula's Choice Clinical Niacinamide 20% Treatment?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.