innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars vs numbuzin No. 9 NAD Bio Lifting-sil Essence
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.6/9.8 vs numbuzin No. 9 NAD Bio Lifting-sil Essence at 8.9/9.8. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars wins for active ingredients.
Head to head
Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
No. 9 NAD Bio Lifting-sil Essence
Score comparison
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
numbuzin WINSIngredient Transparency
numbuzin WINSFormulation Safety
TIEIngredient face-off
18% overlapOnly in innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
21 unique
Shared ingredients
14 in common
Only in numbuzin No. 9 NAD Bio Lifting-sil Essence
62 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 active ingredient strength, scoring 6.4 compared to numbuzin No. 9 NAD Bio Lifting-sil Essence's 9.0. Its formula features Niacinamide, Allantoin, and Lactobacillus Ferment Lysate in high positions, signalling meaningful concentrations.
Ingredient Transparency is another area of separation. numbuzin No. 9 NAD Bio Lifting-sil Essence scores 8.8 here versus 8.5 for innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars. 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 numbuzin No. 9 NAD Bio Lifting-sil Essence relies on Niacinamide, Adenosine, and Tocopherol. 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
numbuzin No. 9 NAD Bio Lifting-sil Essence is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars gets the nod here with its 9.6 overall score — you're getting more for a similar outlay.
Our verdict
innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars edges ahead with a slightly stronger formulation, but numbuzin No. 9 NAD Bio Lifting-sil Essence is still a solid pick.
Frequently asked questions
Which is better: innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars or numbuzin No. 9 NAD Bio Lifting-sil Essence?
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 numbuzin No. 9 NAD Bio Lifting-sil Essence 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 numbuzin No. 9 NAD Bio Lifting-sil Essence?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.