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Peter Thomas Roth
FIRMx Collagen Serum

Versus

Alpha-H
Vitamin C Serum With 10% Ethyl Ascorbic Acid

Product category and function

FIRMx Collagen Serum

Vitamin C Serum With 10% Ethyl Ascorbic Acid

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

Vitamin C Serum With 10% Ethyl Ascorbic Acid

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

Full ingredient list

FIRMx Collagen Serum

Vitamin C Serum With 10% Ethyl Ascorbic Acid

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) 10	Aqua (water), 3-o-ethyl ascorbic acid, methyl gluceth-20, propanediol, sodium citrate, glycerin, phenoxyethanol, citric acid, sodium hyaluronate, caprylyl glycol, sodium metabisulfite, polysorbate 20, vitis vinifera (grape) seed extract, citrus aurantium dulcis (orange) peel oil, glycyrrhiza glabra (licorice) root extract, tasmannia lanceolata (pepperberry) fruit/leaf extract, sodium benzoate, potassium sorbate, limonene, ci 75120 (annatto)

No. of common ingredients = 0

Total Number of ingredients = 39

Total Number of ingredients = 20

(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), 3-o-ethyl ascorbic acid, methyl gluceth-20, propanediol, sodium citrate, glycerin, phenoxyethanol, citric acid, sodium hyaluronate, caprylyl glycol, sodium metabisulfite, polysorbate 20, vitis vinifera (grape) seed extract, citrus aurantium dulcis (orange) peel oil, glycyrrhiza glabra (licorice) root extract, tasmannia lanceolata (pepperberry) fruit/leaf extract, sodium benzoate, potassium sorbate, limonene, ci 75120 (annatto)

Notable ingredients

FIRMx Collagen Serum

Vitamin C Serum With 10% Ethyl Ascorbic Acid

Antioxidant: Caffeine

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

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

Soothing: Glycyrrhiza glabra (licorice) root extract

Skin brightening: 3-o-ethyl ascorbic acid

Antioxidant: 3-o-ethyl ascorbic acid, Sodium metabisulfite, Tasmannia lanceolata (pepperberry) fruit/leaf extract, Vitis vinifera (grape) seed extract

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Ingredients with their functions

FIRMx Collagen Serum

Vitamin C Serum With 10% Ethyl Ascorbic Acid

(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.