innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars vs numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet
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 Full Face Pack Sheet at 8.8/9.8. 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 Full Face Pack Sheet
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
innisfree WINSIrritation Risk
TIEActive Ingredient Strength
numbuzin WINSIngredient Transparency
numbuzin WINSFormulation Safety
TIEIngredient face-off
14% overlapOnly in innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars
26 unique
Shared ingredients
9 in common
Only in numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet
57 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 Full Face Pack Sheet's 9.8. Its formula features Niacinamide, Allantoin, and Lactobacillus Ferment Lysate in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars scores 9.8 here versus 8.7 for numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet. 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 Full Face Pack Sheet relies on Niacinamide, Arginine, and Adenosine. 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 Full Face Pack Sheet is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
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. numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet sits at the budget level with a 8.8 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 edges ahead with a slightly stronger formulation, but numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet 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 Full Face Pack Sheet?
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 Full Face Pack Sheet 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 Full Face Pack Sheet?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.