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Peter Thomas Roth
FIRMx Collagen Serum

Versus

Alastin
HA (Hyaluronic Acid) Immerse Serum

Product category and function

FIRMx Collagen Serum

HA (Hyaluronic Acid) Immerse Serum

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

HA (Hyaluronic Acid) Immerse Serum

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

HA (Hyaluronic Acid) Immerse Serum

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) 14	Water (aqua/eau), glycerin, polyacrylate-13, sodium hyaluronate, sodium hyaluronate crosspolymer, octapeptide-45, hexapeptide-11, tremella fuciformis sporocarp (silver ear mushroom) extract, lactoferrin, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, xylitol, propanediol, anhydroxylitol, phospholipids, xylitylglucoside, phosphatidylserine, glucose, hydroxymethoxyphenyl decanone, tocopherol, ascorbyl palmitate, dimethicone, caprylyl methicone, caprylic/capric triglyceride, polyisobutene, caprylyl glycol, disodium edta, betaine, polysorbate 20, ethylhexylglycerin, caprylhydroxamic acid, sorbitan isostearate, helianthus annuus (sunflower) seed oil, lecithin, pentylene glycol, magnesium chloride, phenoxyethanol, potassium sorbate, sodium hydroxide

No. of common ingredients = 0

Total Number of ingredients = 39

Total Number of ingredients = 38

(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)

Water (aqua/eau), glycerin, polyacrylate-13, sodium hyaluronate, sodium hyaluronate crosspolymer, octapeptide-45, hexapeptide-11, tremella fuciformis sporocarp (silver ear mushroom) extract, lactoferrin, tetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetate, xylitol, propanediol, anhydroxylitol, phospholipids, xylitylglucoside, phosphatidylserine, glucose, hydroxymethoxyphenyl decanone, tocopherol, ascorbyl palmitate, dimethicone, caprylyl methicone, caprylic/capric triglyceride, polyisobutene, caprylyl glycol, disodium edta, betaine, polysorbate 20, ethylhexylglycerin, caprylhydroxamic acid, sorbitan isostearate, helianthus annuus (sunflower) seed oil, lecithin, pentylene glycol, magnesium chloride, phenoxyethanol, potassium sorbate, sodium hydroxide

Notable ingredients

FIRMx Collagen Serum

HA (Hyaluronic Acid) Immerse Serum

Antioxidant: Caffeine

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

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

Antioxidant: Ascorbyl palmitate, Tremella fuciformis sporocarp (silver ear mushroom) extract, Tocopherol

Solvent: Water (aqua/eau), Caprylic/capric triglyceride, Glycerin, Helianthus annuus (sunflower) seed oil, Propanediol, Pentylene glycol

Anti-microbial: Phenoxyethanol

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Ingredients with their functions

FIRMx Collagen Serum

HA (Hyaluronic Acid) Immerse Serum

(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.