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Kate Somerville DeliKate Soothing Cleanser scores 8.4/9.8 and Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum scores 8.3/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.1 points apart.
Scores last verified: June 2026
36 unique
5 in common
26 unique
These two cleansers 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.
Hydration Efficacy is another area of separation. Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum scores 9.8 here versus 9.1 for Kate Somerville DeliKate Soothing Cleanser. That difference comes down to how each formula is built — the ingredient list tells the story.
Kate Somerville DeliKate Soothing Cleanser brings Ceramide Np, Ceramide Ap, and Ceramide Eop as actives, while peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum relies on Saccharomyces Lysate, Acetyl Hexapeptide-8, and Pentapeptide-18. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Kate Somerville DeliKate Soothing Cleanser is better if you have
Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum is better if you have
Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum comes in at premium pricing with a 8.3 score, which is solid value at that tier.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Based on ingredient analysis, Kate Somerville DeliKate Soothing Cleanser scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.