Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum vs Peace Out Salicylic Acid Acne Treatment Serum
Peace Out Salicylic Acid Acne Treatment Serum scores 8.9/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. Peace Out Salicylic Acid Acne Treatment Serum wins for active ingredients.
Head to head

KateCeuticals® SuperCell Rejuvenation Peptide Serum

Salicylic Acid Acne Treatment Serum
Score comparison
Peace Out Salicylic Acid Acne Treatment Serum edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Kate Somerville WINSIrritation Risk
TIEActive Ingredient Strength
Peace Out WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
16% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
16 unique
Only in Peace Out Salicylic Acid Acne Treatment Serum
27 unique
Why Peace Out Salicylic Acid Acne Treatment Serum comes out ahead
Where Peace Out Salicylic Acid Acne Treatment Serum really shines is active ingredient strength, scoring 6.4 compared to Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 5.0. Its formula features Niacinamide, Zinc Pca, and Potassium Azeloyl Diglycinate in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum scores 6.5 here versus 6.0 for Peace Out Salicylic Acid Acne Treatment Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Peace Out Salicylic Acid Acne Treatment Serum brings Niacinamide, Zinc Pca, and Potassium Azeloyl Diglycinate 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
Peace Out Salicylic Acid Acne Treatment Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- 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. Peace Out Salicylic Acid Acne Treatment Serum sits at the mid-range level with a 8.9 score — the higher investment pays off in formulation quality.
Our verdict
Peace Out Salicylic Acid Acne Treatment 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 Peace Out Salicylic Acid Acne Treatment Serum?
Based on ingredient analysis, Peace Out Salicylic Acid Acne Treatment Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Peace Out Salicylic Acid Acne Treatment 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 Peace Out Salicylic Acid Acne Treatment Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.