Skinfix Target+ Brighten + Firm 15% Vitamin C Serum vs Sulwhasoo Overnight Vitalizing Mask
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 9.2/9.8 and Sulwhasoo Overnight Vitalizing Mask scores 9.0/9.8 — a near-tie where your skin type decides the winner.
Head to head
Target+ Brighten + Firm 15% Vitamin C Serum
Overnight Vitalizing Mask
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Sulwhasoo WINSIrritation Risk
TIEActive Ingredient Strength
Skinfix WINSIngredient Transparency
Sulwhasoo WINSFormulation Safety
Skinfix WINSIngredient face-off
12% overlapOnly in Skinfix Target+ Brighten + Firm 15% Vitamin C Serum
26 unique
Shared ingredients
6 in common
Only in Sulwhasoo Overnight Vitalizing Mask
46 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.
Formulation Safety is another area of separation. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 9.0 here versus 8.0 for Sulwhasoo Overnight Vitalizing Mask. That difference comes down to how each formula is built — the ingredient list tells the story.
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum brings Tetrahexyldecyl Ascorbate, Oligopeptide-2, and Hexapeptide-11 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
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum 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
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 9.2, Skinfix Target+ Brighten + Firm 15% Vitamin C Serum 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
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: Skinfix Target+ Brighten + Firm 15% Vitamin C Serum or Sulwhasoo Overnight Vitalizing Mask?
Based on ingredient analysis, Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Skinfix Target+ Brighten + Firm 15% Vitamin C Serum 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 Skinfix Target+ Brighten + Firm 15% Vitamin C Serum 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.