innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging vs numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores 9.1/9.8 and numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet scores 8.8/9.8 — a near-tie where your skin type decides the winner.
Head to head

Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

No. 9 NAD Bio Lifting-sil Full Face Pack Sheet
Score comparison
These two are neck and neck — just 0.3 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
numbuzin WINSIngredient Transparency
numbuzin WINSFormulation Safety
TIEIngredient face-off
15% overlapOnly in innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging
36 unique
Shared ingredients
10 in common
Only in numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet
56 unique
Why these two are neck and neck
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Ingredient Transparency is another area of separation. numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet scores 8.8 here versus 7.0 for innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging brings Niacinamide, Allantoin, and Tocopherol 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 Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging 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 9.1, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging 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
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.


Frequently asked questions
Which is better: innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging or numbuzin No. 9 NAD Bio Lifting-sil Full Face Pack Sheet?
Based on ingredient analysis, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging scores higher overall. See the full score breakdown above for details on each attribute.
Do innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging 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 Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging 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.