INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid vs Sulwhasoo Overnight Vitalizing Mask
INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid scores 9.7/9.8 vs Sulwhasoo Overnight Vitalizing Mask at 9.0/9.8. INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid wins for active ingredients.
Head to head
Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid
Overnight Vitalizing Mask
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
Sulwhasoo WINSIrritation Risk
TIEActive Ingredient Strength
INNBEAUTY PROJECT WINSIngredient Transparency
Sulwhasoo WINSFormulation Safety
INNBEAUTY PROJECT WINSIngredient face-off
8% overlapOnly in INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid
38 unique
Only in Sulwhasoo Overnight Vitalizing Mask
48 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 active ingredient strength, scoring 9.8 compared to Sulwhasoo Overnight Vitalizing Mask's 4.9. Its formula features Tetrahexyldecyl Ascorbate, Niacinamide, and Ascorbic Acid in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Sulwhasoo Overnight Vitalizing Mask scores 9.8 here versus 6.3 for INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid. 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 sulwhasoo Overnight Vitalizing Mask relies on Camellia Sinensis Leaf Extract, Panax Ginseng Root Extract, and Ophiopogon Japonicus Root Extract. 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
Sulwhasoo Overnight Vitalizing Mask is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Anyone who prefers clean, well-vetted formulations
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. Sulwhasoo Overnight Vitalizing Mask sits at the luxury level with a 9.0 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 Sulwhasoo Overnight Vitalizing Mask 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 Sulwhasoo Overnight Vitalizing Mask?
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 Sulwhasoo Overnight Vitalizing Mask 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 Sulwhasoo Overnight Vitalizing Mask?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.