Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum vs Skinfix Target+ Brighten + Firm 15% Vitamin C Serum
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 9.2/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum wins for hydration.
Head to head
KateCeuticals® SuperCell Rejuvenation Peptide Serum
Target+ Brighten + Firm 15% Vitamin C Serum
Score comparison
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Skinfix WINSIrritation Risk
TIEActive Ingredient Strength
Skinfix WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
31% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
11 unique
Shared ingredients
10 in common
Only in Skinfix Target+ Brighten + Firm 15% Vitamin C Serum
22 unique
Why Skinfix Target+ Brighten + Firm 15% Vitamin C Serum comes out ahead
Where Skinfix Target+ Brighten + Firm 15% Vitamin C Serum really shines is hydration efficacy, scoring 8.8 compared to Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 6.5. With Glycerin, Isopentyldiol, and Aloe Barbadensis Leaf Juice in its top ingredients, Skinfix Target+ Brighten + Firm 15% Vitamin C Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum scores 5.8 here versus 5.0 for Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum. 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 kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum relies on Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-2, Zingiber Officinale (Ginger) Root Extract, and Bisabolol. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
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
Value comparison
At luxury pricing with a score of 8.4, Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is a decent pick. Skinfix Target+ Brighten + Firm 15% Vitamin C Serum sits at the premium level with a 9.2 score — the higher investment pays off in formulation quality.
Our verdict
Skinfix Target+ Brighten + Firm 15% Vitamin C Serum edges ahead with a slightly stronger formulation, but Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is still a solid pick.
Frequently asked questions
Which is better: Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum or Skinfix Target+ Brighten + Firm 15% Vitamin C Serum?
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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Skinfix Target+ Brighten + Firm 15% Vitamin C Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Skinfix Target+ Brighten + Firm 15% Vitamin C Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.