Discover alternatives in sync with your needs, budget and values. We compare, you decide.

Include brand checkbox

Peter Thomas Roth

FIRMx Collagen Serum

Serums

What is it?

They say: With seven forms of collagen and collagen-supporting ingredients, Peter Thomas Roth’s FIRMx® Collagen Serum leaves skin feeling hydrated and looking supple.

Peter Thomas Roth logo

About the brand

They say: ""Peter Thomas Roth is a pioneer in skincare innovation, driven by the quest for visible results. Combining cutting-edge science with natural extracts, their products address a myriad of skincare concerns effectively. From their iconic masks to targeted treatments, Peter Thomas Roth offers skincare solutions that deliver real, noticeable improvements in the quest for healthy, radiant skin."

blog featured image

Full Ingredient List

Vegetable Collagen, Water/Aqua/Eau, Dimethicone, Butylene Glycol, Polysilicone-11, Glycerin, Caffeine, Squalane, Soluble Collagen, Collagen Amino Acids, Hydrolyzed Collagen, Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine, Palmitoyl Tripeptide-5, Acetyl Tetrapeptide-2, Sodium Hyaluronate, Hydroxyproline, Sodium Citrate, Citric Acid, Acrylamide/Sodium Acryloyldimethyltaurate Copolymer, Ammonium Acrylolydimethyltaurate/VP Copolymer, Hydroxystearic Acid, Magnesium Chloride, Polysorbate 20, Polysorbate 80, Sodium Hydroxide, Sorbitan Isostearate, Decyl Glucoside, Lauryl Glucoside, Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate, Leuconostoc/Radish Root Ferment Filtrate, Disodium EDTA, Potassium Sorbate, Sodium Benzoate, Isohexadecane, Ethylhexylglycerin, Hexylene Glycol, Caprylyl Glycol, Phenoxyethanol, Mica (CI 77019).

Search for this product on...

Use of our retailer links is governed by our Terms of Use & Privacy Policy. We appreciate the support!

newsletter image

Sign up for our newsletter and never miss a new comparable beauty discovery.

Discover

Contextual discovery of your next favourite product

Browse Popular Searches

Trending Subsets

Amazing Dupes - April 2024 Edition

Each of these products is an ingredient list alternative to a much more expensive product! Certified value built right in, shortlisted for your shopping pleasure.

Best Drugstore Comparables 2024

Presenting our favourite drugstore alternatives for pricier products. These affordable alternatives are found right in your drugstore aisle.

Let's get social

Join us @SKINSKOOL