Gracie

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ vs The INKEY List SuperSolutions 20% Niacinamide Serum

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.6/9.8 vs The INKEY List SuperSolutions 20% Niacinamide Serum at 5.8/9.8. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ wins for hydration.

Head to head

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​
innisfree

Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​

serummid-range
9.6
VS
The INKEY List SuperSolutions 20% Niacinamide Serum
The INKEY List

SuperSolutions 20% Niacinamide Serum

serummid-range
5.8

Score comparison

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ takes this one, winning 3 of 5 attributes.

3
2
innisfree wins 3
Tied 2
The INKEY List wins 0
9.6innisfree
+3.8vs
5.8The INKEY List

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
9.8
5.0
innisfree
The INKEY List

Irritation Risk

TIE
9.5
9.5
innisfree
The INKEY List

Active Ingredient Strength

innisfree WINS
6.4
4.3
innisfree
The INKEY List

Ingredient Transparency

innisfree WINS
8.5
7.8
innisfree
The INKEY List

Formulation Safety

TIE
9.0
9.0
innisfree
The INKEY List

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 The INKEY List SuperSolutions 20% Niacinamide Serum's 5.0. 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. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 6.4 here versus 4.3 for The INKEY List SuperSolutions 20% Niacinamide Serum. 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 the INKEY List SuperSolutions 20% Niacinamide Serum relies on Niacinamide and Zinc Pca. 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

The INKEY List SuperSolutions 20% Niacinamide Serum 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

✶ Our verdict
+3.8 lead

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ wins this comparison with a meaningfully stronger ingredient profile and overall score.

9.6innisfree
vs
5.8The INKEY List

Frequently asked questions

Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ or The INKEY List SuperSolutions 20% Niacinamide Serum?

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 The INKEY List SuperSolutions 20% Niacinamide Serum 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 The INKEY List SuperSolutions 20% Niacinamide Serum?

The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.