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Peter Thomas Roth
FIRMx Collagen Serum

Versus

Skinbetter Science
InterFuse Intensive Treatment Lines

Product category and function

FIRMx Collagen Serum

InterFuse Intensive Treatment Lines

Serums/Treatments	Serums/Treatments
Concentrated formulas for hydrating and addressing skin issues.	Concentrated formulas for hydrating and addressing skin issues.
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Ingredient highlights

FIRMx Collagen Serum

InterFuse Intensive Treatment Lines

Ingredient info	Ingredient info
Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free	Alcohol-free Paraben-free SLS-free Mica-free Fragrance-free cruelty-free

Full ingredient list

FIRMx Collagen Serum

InterFuse Intensive Treatment Lines

No. of common ingredients = 0
(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 acryloyldimethyltaurate/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) 13	Aqua/water, c12-15 alkyl benzoate, glycerin, peg-16 macadamia glycerides, dimethicone, acetyl glucosamine, alcohol denat., hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, sodium citrate, tetrahexyldecyl ascorbate, sodium hyaluronate, glycine, hydroxyproline, proline, acetyl hexapeptide-8, hexapeptide-48 hcl, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, dipeptide diaminobutyroyl benzylamide diacetate, sodium acetylated hyaluronate, pisum sativum (pea) extract, glycine soja (soybean) seed extract, glucosamine hcl, ophiopogon japonicus root extract, bambusa vulgaris leaf/stem extract, hydrolyzed lupine protein, oleic acid, sorbitan isostearate, c18-36 acid glycol ester, peg-7 trimethylolpropane coconut ether, sorbitan laurate, hexylene glycol, polyisobutene, c18-36 acid triglyceride, carbomer, acrylates copolymer, citric acid, caprylyl glycol, ethylhexylglycerin, potassium sorbate, phenoxyethanol

No. of common ingredients = 0

Total Number of ingredients = 39

Total Number of ingredients = 41

(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 acryloyldimethyltaurate/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)

Aqua/water, c12-15 alkyl benzoate, glycerin, peg-16 macadamia glycerides, dimethicone, acetyl glucosamine, alcohol denat., hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, sodium citrate, tetrahexyldecyl ascorbate, sodium hyaluronate, glycine, hydroxyproline, proline, acetyl hexapeptide-8, hexapeptide-48 hcl, palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, dipeptide diaminobutyroyl benzylamide diacetate, sodium acetylated hyaluronate, pisum sativum (pea) extract, glycine soja (soybean) seed extract, glucosamine hcl, ophiopogon japonicus root extract, bambusa vulgaris leaf/stem extract, hydrolyzed lupine protein, oleic acid, sorbitan isostearate, c18-36 acid glycol ester, peg-7 trimethylolpropane coconut ether, sorbitan laurate, hexylene glycol, polyisobutene, c18-36 acid triglyceride, carbomer, acrylates copolymer, citric acid, caprylyl glycol, ethylhexylglycerin, potassium sorbate, phenoxyethanol

Notable ingredients

FIRMx Collagen Serum

InterFuse Intensive Treatment Lines

Antioxidant: Caffeine

Solvent: Water/aqua/eau, Butylene glycol, Glycerin, Hexylene glycol, Isohexadecane

Anti-microbial: Leuconostoc/radish root ferment filtrate, Phenoxyethanol

Skin brightening: Acetyl glucosamine

Antioxidant: Tetrahexyldecyl ascorbate

Cell-signaling ingredient: Dipeptide diaminobutyroyl benzylamide diacetate, Palmitoyl tetrapeptide-7

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Ingredients with their functions

FIRMx Collagen Serum

InterFuse Intensive Treatment Lines

(vegetable) collagen

Function: Skin conditioning

We don’t have a detailed description of this ingredient yet.

Water/aqua/eau

Also-called: Aqua, Aqua/Water, Water/Aqua/Eau, Aqua/Water/Eau | Function: Skin conditioning, Solvent

Water serves as a fundamental component in skincare products, often listed as the first ingredient, which means it's the most abundant. It acts as a solvent, helping to dissolve other ingredients and facilitate the application and absorption of products.

Dimethicone

Function: Emollient/Moisturizer, Skin protecting, Skin conditioning

We don’t have a detailed description of this ingredient yet.