COSRX Ultra-Light Invisible Sunscreen Serum vs innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.6/9.8 vs COSRX Ultra-Light Invisible Sunscreen Serum at 6.2/9.8. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars wins for hydration.
Head to head

Ultra-Light Invisible Sunscreen Serum

Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
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
23% overlapOnly in COSRX Ultra-Light Invisible Sunscreen Serum
18 unique
Shared ingredients
8 in common
Only in innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
27 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 COSRX Ultra-Light Invisible Sunscreen Serum's 3.8. 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 4.1 for COSRX Ultra-Light Invisible Sunscreen 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 cOSRX Ultra-Light Invisible Sunscreen Serum relies on Niacinamide, Hamamelis Virginiana (Witch Hazel) Leaf Water, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX Ultra-Light Invisible Sunscreen Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
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
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
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: COSRX Ultra-Light Invisible Sunscreen Serum or innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars?
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 COSRX Ultra-Light Invisible Sunscreen Serum and innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between COSRX Ultra-Light Invisible Sunscreen Serum and innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.