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Peter Thomas Roth FIRMx Collagen Moisturizer scores 8.5/9.8 vs Dermalogica Skin Smoothing Cream at 8.0/9.8. Peter Thomas Roth FIRMx Collagen Moisturizer wins for active ingredients.
Peter Thomas Roth FIRMx Collagen Moisturizer edges ahead, winning 1 of 5 attributes.
Scores last verified: April 2026
33 unique
13 in common
11 unique
Where Peter Thomas Roth FIRMx Collagen Moisturizer really shines is active ingredient strength, scoring 5.9 compared to Dermalogica Skin Smoothing Cream's 2.5. Its formula features Collagen, Niacinamide, and Palmitoyl Tripeptide-1 in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Dermalogica Skin Smoothing Cream scores 9.8 here versus 9.1 for Peter Thomas Roth FIRMx Collagen Moisturizer. That difference comes down to how each formula is built — the ingredient list tells the story.
Peter Thomas Roth FIRMx Collagen Moisturizer brings Collagen, Niacinamide, and Palmitoyl Tripeptide-1 as actives, while dermalogica Skin Smoothing Cream relies on Citrus Aurantium Amara (Bitter Orange) Flower Extract, Tocopheryl Acetate, and Allantoin. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Dermalogica Skin Smoothing Cream is better if you have
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
Both sit in the premium bracket, so value comes down to formulation quality. Peter Thomas Roth FIRMx Collagen Moisturizer gets the nod here with its 8.5 overall score — you're getting more for a similar outlay.
Peter Thomas Roth FIRMx Collagen Moisturizer edges ahead with a slightly stronger formulation, but Dermalogica Skin Smoothing Cream is still a solid pick.
Based on ingredient analysis, Peter Thomas Roth FIRMx Collagen Moisturizer 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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