innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.6/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. 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
KateCeuticals® SuperCell Rejuvenation Peptide Serum
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
innisfree WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
11% overlapOnly in innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
31 unique
Only in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 6.5. 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 5.0 for Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum relies on Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-2, Zingiber Officinale (Ginger) Root Extract, and Bisabolol. 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
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- 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. Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum sits at the luxury level with a 8.4 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.