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Peter Thomas Roth FIRMx Collagen Moisturizer scores 8.5/9.8 vs Summer Fridays Midnight Ritual Retinol Renewal Serum at 8.2/9.8. Peter Thomas Roth FIRMx Collagen Moisturizer wins for hydration.
Peter Thomas Roth FIRMx Collagen Moisturizer edges ahead, winning 1 of 5 attributes.
Scores last verified: June 2026
16 unique
8 in common
26 unique
Where Peter Thomas Roth FIRMx Collagen Moisturizer really shines is hydration efficacy, scoring 9.1 compared to Summer Fridays Midnight Ritual Retinol Renewal Serum's 7.9. With Glycerin, Sodium Hyaluronate, and Panthenol in its top ingredients, Peter Thomas Roth FIRMx Collagen Moisturizer delivers stronger moisture-binding capability.
Peter Thomas Roth FIRMx Collagen Moisturizer brings Collagen, Niacinamide, and Palmitoyl Tripeptide-1 as actives, while summer Fridays Midnight Ritual Retinol Renewal Serum relies on Retinyl Linoleate, Retinol, and Centella Asiatica Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
Summer Fridays Midnight Ritual Retinol Renewal Serum 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 Summer Fridays Midnight Ritual Retinol Renewal Serum 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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