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Peter Thomas Roth FIRMx Collagen Moisturizer scores 8.5/9.8 overall. It ranks highest in low irritation risk (9.5) and hydration efficacy (9.1).
One of the most effective humectants
Silicone that smooths and protects
Works on your skin
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Estimated — based on ingredient analysis. Scores refine as user reviews are added.
Scores last verified: April 2026
Peter Thomas Roth FIRMx Collagen Moisturizer is an excellent moisturiser with an overall score of 8.5/9.8. Positioned in the premium bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Glycerin, Dimethicone, Collagen — ingredients that support the skin barrier and moisture levels.
It performs well on hydration (9.1) and low irritation risk (9.5).
Great for
Draws in moisture — #2 in the INCI list
Softens and smooths — #3 in the INCI list
Works on your skin — #4 in the INCI list
Softens and smooths — #5 in the INCI list
Softens and smooths — #6 in the INCI list
Based on these TikTok reviews, users are seeing real tightening and smoothing results from Peter Thomas Roth's FIRMx products, with one reviewer noting visible improvement in under-eye firmness and reduced puffiness after just one use. The reviewers appreciate that the products deliver on their promises to firm and lift skin, though the effects can be subtle and may not show dramatically on camera. These products seem ideal for people looking for temporary skin tightening solutions, particularly around the eye area where signs of aging are most noticeable.
Based on 2 creator reviews24 ingredients — listed in INCI order (highest concentration first)
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.