Gracie

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ vs Summer Fridays Midnight Ritual Retinol Renewal Serum

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ scores 9.6/9.8 vs Summer Fridays Midnight Ritual Retinol Renewal Serum at 8.8/9.8. 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
Summer Fridays Midnight Ritual Retinol Renewal Serum
Summer Fridays

Midnight Ritual Retinol Renewal Serum

serumpremium
8.8

Score comparison

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

2
3
innisfree wins 2
Tied 3
Summer Fridays wins 0
9.6innisfree
+0.8vs
8.8Summer Fridays

Scores last verified: July 2026

Attribute battle

Hydration Efficacy

innisfree WINS
9.8
7.9
innisfree
Summer Fridays

Irritation Risk

TIE
9.5
9.5
innisfree
Summer Fridays

Active Ingredient Strength

innisfree WINS
6.4
5.9
innisfree
Summer Fridays

Ingredient Transparency

TIE
8.5
8.5
innisfree
Summer Fridays

Formulation Safety

TIE
9.0
9.0
innisfree
Summer Fridays

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 Summer Fridays Midnight Ritual Retinol Renewal Serum's 7.9. 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.

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 5.9 for Summer Fridays Midnight Ritual Retinol Renewal 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 summer Fridays Midnight Ritual Retinol Renewal Serum relies on Retinyl Linoleate, Retinol, and Centella Asiatica 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

Summer Fridays Midnight Ritual Retinol Renewal Serum 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

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. Summer Fridays Midnight Ritual Retinol Renewal Serum sits at the premium level with a 8.8 score — the extra cost doesn't translate to better scores here.

Our verdict

✶ Our verdict
+0.8 lead

innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ edges ahead with a slightly stronger formulation, but Summer Fridays Midnight Ritual Retinol Renewal Serum is still a solid pick.

9.6innisfree
vs
8.8Summer Fridays

Frequently asked questions

Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars​ or Summer Fridays Midnight Ritual Retinol Renewal 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 Summer Fridays Midnight Ritual Retinol Renewal 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 Summer Fridays Midnight Ritual Retinol Renewal Serum?

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