Gracie

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ vs Kate Somerville +Retinol Vita C Power Serum

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.6/9.8 vs Kate Somerville +Retinol Vita C Power Serum at 6.5/9.8. 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
Kate Somerville +Retinol Vita C Power Serum
Kate Somerville

+Retinol Vita C Power Serum

serumluxury
6.5

Score comparison

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ takes this one, winning 4 of 5 attributes.

4
1
innisfree wins 4
Tied 1
Kate Somerville wins 0
9.6innisfree
+3.1vs
6.5Kate Somerville

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
9.8
5.9
innisfree
Kate Somerville

Irritation Risk

innisfree WINS
9.5
8.0
innisfree
Kate Somerville

Active Ingredient Strength

innisfree WINS
6.4
5.7
innisfree
Kate Somerville

Ingredient Transparency

TIE
8.5
8.5
innisfree
Kate Somerville

Formulation Safety

innisfree WINS
9.0
8.0
innisfree
Kate Somerville

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 +Retinol Vita C Power Serum's 5.9. 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.

Irritation Risk is another area of separation. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.5 here versus 8.0 for Kate Somerville +Retinol Vita C Power 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 +Retinol Vita C Power Serum relies on Retinol, Ascorbic Acid, and Tocopheryl Acetate. 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 +Retinol Vita C Power 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 +Retinol Vita C Power Serum sits at the luxury level with a 6.5 score — the extra cost doesn't translate to better scores here.

Our verdict

✶ Our verdict
+3.1 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
6.5Kate Somerville

Frequently asked questions

Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ or Kate Somerville +Retinol Vita C Power 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 +Retinol Vita C Power 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 +Retinol Vita C Power Serum?

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