Gracie

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ vs The Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.6/9.8 vs The Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair at 6.3/9.8. 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 Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair
The Ordinary

Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair

serum
6.3

Score comparison

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

2
3
innisfree wins 2
Tied 3
The Ordinary wins 0
9.6innisfree
+3.3vs
6.3The Ordinary

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
9.8
5.2
innisfree
The Ordinary

Irritation Risk

TIE
9.5
9.5
innisfree
The Ordinary

Active Ingredient Strength

innisfree WINS
6.4
4.8
innisfree
The Ordinary

Ingredient Transparency

TIE
8.5
8.5
innisfree
The Ordinary

Formulation Safety

TIE
9.0
9.0
innisfree
The Ordinary

Ingredient face-off

9% overlap
35innisfree
3Shared
32The Ordinary

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 Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair's 5.2. 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 4.8 for The Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair. 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 Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair relies on Caffeine, Acetyl Tetrapeptide-3, and Larix Europaea Wood Extract. 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 Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair is better if you have

  • Sensitive skin — the low-irritation formula keeps things gentle
  • Anyone who prefers clean, well-vetted formulations

Value comparison

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ comes in at mid-range pricing with a 9.6 score, which is solid value at that tier.

Our verdict

✶ Our verdict
+3.3 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
6.3The Ordinary

Frequently asked questions

Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ or The Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair?

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 Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair 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 Ordinary Multi-Peptide Serum for Hair Density for Thicker, Fuller Looking Hair?

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