Gracie

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ vs numbuzin No.5 Vitamin-Niacinamide Concentrated Pad

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.6/9.8 vs numbuzin No.5 Vitamin-Niacinamide Concentrated Pad at 8.9/9.8. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ wins for active ingredients.

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
numbuzin No.5 Vitamin-Niacinamide Concentrated Pad
numbuzin

No.5 Vitamin-Niacinamide Concentrated Pad

serummid-range
8.9

Score comparison

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ edges ahead, winning 2 of 5 attributes.

1
2
2
innisfree wins 1
Tied 2
numbuzin wins 2
9.6innisfree
+0.7vs
8.9numbuzin

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
9.8
7.1
innisfree
numbuzin

Irritation Risk

TIE
9.5
9.5
innisfree
numbuzin

Active Ingredient Strength

numbuzin WINS
6.4
9.8
innisfree
numbuzin

Ingredient Transparency

numbuzin WINS
8.5
8.8
innisfree
numbuzin

Formulation Safety

TIE
9.0
9.0
innisfree
numbuzin

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 active ingredient strength, scoring 6.4 compared to numbuzin No.5 Vitamin-Niacinamide Concentrated Pad's 9.8. Its formula features Niacinamide, Allantoin, and Lactobacillus Ferment Lysate in high positions, signalling meaningful concentrations.

Hydration Efficacy is another area of separation. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.8 here versus 7.1 for numbuzin No.5 Vitamin-Niacinamide Concentrated Pad. 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 numbuzin No.5 Vitamin-Niacinamide Concentrated Pad relies on Niacinamide, Ascorbyl Glucoside, and Ascorbic Acid. 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

numbuzin No.5 Vitamin-Niacinamide Concentrated Pad 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
  • Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting

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
+0.7 lead

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ edges ahead with a slightly stronger formulation, but numbuzin No.5 Vitamin-Niacinamide Concentrated Pad is still a solid pick.

9.6innisfree
vs
8.9numbuzin

Frequently asked questions

Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ or numbuzin No.5 Vitamin-Niacinamide Concentrated Pad?

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 numbuzin No.5 Vitamin-Niacinamide Concentrated Pad 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 numbuzin No.5 Vitamin-Niacinamide Concentrated Pad?

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