Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum vs LOOPS Dark Spot Mask
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum scores 8.4/9.8 and LOOPS Dark Spot Mask scores 8.5/9.8 — a near-tie where your skin type decides the winner.
Head to head

KateCeuticals® SuperCell Rejuvenation Peptide Serum
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
LOOPS WINSIrritation Risk
TIEActive Ingredient Strength
LOOPS WINSIngredient Transparency
LOOPS WINSFormulation Safety
TIEIngredient face-off
14% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
15 unique
Shared ingredients
6 in common
Only in LOOPS Dark Spot Mask
36 unique
Why these two are neck and neck
These two moisturisers 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.
Active Ingredient Strength is another area of separation. LOOPS Dark Spot Mask scores 7.5 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.
LOOPS Dark Spot Mask brings Niacinamide, Allantoin, and Tocopherol 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
LOOPS Dark Spot Mask 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
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum comes in at luxury pricing with a 8.4 score, which is solid value at that tier.
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: Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum or LOOPS Dark Spot Mask?
Based on ingredient analysis, LOOPS Dark Spot Mask scores higher overall. See the full score breakdown above for details on each attribute.
Do Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and LOOPS Dark Spot 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and LOOPS Dark Spot Mask?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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