INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid vs numbuzin No. 9 NAD Bio Lifting-sil Essence
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores 9.7/9.8 vs numbuzin No. 9 NAD Bio Lifting-sil Essence at 8.9/9.8. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid wins for hydration.
Head to head

Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid

No. 9 NAD Bio Lifting-sil Essence
Score comparison
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
numbuzin WINSIrritation Risk
TIEActive Ingredient Strength
INNBEAUTY PROJECT WINSIngredient Transparency
numbuzin WINSFormulation Safety
TIEIngredient face-off
11% overlapOnly in INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid
34 unique
Shared ingredients
8 in common
Only in numbuzin No. 9 NAD Bio Lifting-sil Essence
68 unique
Why INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid comes out ahead
Where INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid really shines is hydration efficacy, scoring 6.3 compared to numbuzin No. 9 NAD Bio Lifting-sil Essence's 9.8. With Propanediol, Mannitol, and Panthenol in its top ingredients, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores 9.8 here versus 9.0 for numbuzin No. 9 NAD Bio Lifting-sil Essence. That difference comes down to how each formula is built — the ingredient list tells the story.
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid brings Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid 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
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Tetrahexyldecyl Ascorbate does the heavy lifting
- 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
At premium pricing with a score of 9.7, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid delivers strong value. numbuzin No. 9 NAD Bio Lifting-sil Essence sits at the mid-range level with a 8.9 score — the extra cost doesn't translate to better scores here.
Our verdict
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid 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: INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid or numbuzin No. 9 NAD Bio Lifting-sil Essence?
Based on ingredient analysis, INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores higher overall. See the full score breakdown above for details on each attribute.
Do INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid 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 INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid 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.