Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum vs Naturium Vitamin C Super Serum Plus
Naturium Vitamin C Super Serum Plus scores 8.8/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. Naturium Vitamin C Super Serum Plus wins for active ingredients.
Head to head

KateCeuticals® SuperCell Rejuvenation Peptide Serum
Vitamin C Super Serum Plus
Score comparison
Naturium Vitamin C Super Serum Plus edges ahead, winning 3 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Naturium WINSIrritation Risk
TIEActive Ingredient Strength
Naturium WINSIngredient Transparency
Naturium WINSFormulation Safety
TIEIngredient face-off
19% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
15 unique
Shared ingredients
6 in common
Only in Naturium Vitamin C Super Serum Plus
25 unique
Why Naturium Vitamin C Super Serum Plus comes out ahead
Where Naturium Vitamin C Super Serum Plus really shines is active ingredient strength, scoring 8.2 compared to Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 5.0. Its formula features Niacinamide, Ascorbic Acid, and Glutathione in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Naturium Vitamin C Super Serum Plus scores 8.2 here versus 6.5 for Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Naturium Vitamin C Super Serum Plus brings Niacinamide, Ascorbic Acid, and Glutathione 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
Naturium Vitamin C Super Serum Plus is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Propanediol
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
Value comparison
At luxury pricing with a score of 8.4, Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is a decent pick. Naturium Vitamin C Super Serum Plus sits at the budget level with a 8.8 score — the higher investment pays off in formulation quality.
Our verdict
Naturium Vitamin C Super Serum Plus 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 Naturium Vitamin C Super Serum Plus?
Based on ingredient analysis, Naturium Vitamin C Super Serum Plus scores higher overall. See the full score breakdown above for details on each attribute.
Do Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Naturium Vitamin C Super Serum Plus 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 Naturium Vitamin C Super Serum Plus?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.