Peter Thomas Roth FIRMx Collagen Serum

Peter Thomas Roth FIRMx Collagen Serum
8.3
/ 10
Moisturizing
10.0 Humectancy icon Humectancy
6.6 Occlusivity icon Occlusivity

Review

Does Peter Thomas Roth FIRMx Collagen Serum work?

Based on the ingredient list analysis by CreamScan AI, these are the key benefits you can expect from using Peter Thomas Roth FIRMx Collagen Serum:

  • Intense moisturizing. It has a moisturizing rating of 8.3 out of 10.

Perfect moisturizer for normal to dry skin

According to CreamScan analysis, Peter Thomas Roth FIRMx Collagen Serum is intensely moisturizing, with a moisturizing rating of 8.3 out of 10.

Is it more humectant or occlusive? Rather humectant. It has a maximum humectancy of 10 out of 10, primarily due to the substantial concentration of Collagen (est. ≈40.0%) and Butylene Glycol (est. ≈6.0%), and a high occlusivity of 6.6 out of 10, mainly due to the significant content of Dimethicone (est. ≈11.0%).

This type of moisturizer is ideal for people with normal skin who want intense hydration in a rich yet not overly thick formula. It combines a high concentration of humectants with a significant amount of occlusive ingredients to provide effective dual-action moisturizing.

The product’s occlusive profile suggests a texture that is rich and creamy but not overly thick, offering the potential to absorb into the skin without leaving a greasy afterfeel in most cases.

This product may also be a good choice for people with dry (but not very dry) skin for daily hydration, as it strikes a balance between significant moisturizing potential and a texture that is not too thick.

Please refer to the Ratings section below for details of the moisturizing rating calculation.

Questionable anti-wrinkle efficacy

According to CreamScan analysis, Peter Thomas Roth FIRMx Collagen Serum has a zero anti-wrinkle rating.

It contains some ingredients often marketed as effective in reducing wrinkles, specifically Caffeine, Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine, and Palmitoyl Tripeptide-5. However, the studies supporting the anti-wrinkle claims of these ingredients provide insufficient evidence of efficacy according to CreamScan Research Evaluation Standards. Therefore, these ingredients do not generate the anti-wrinkle rating.

Moisturizers, when used regularly, are proven to prevent wrinkle formation and even reduce existing wrinkles. Therefore, this product, like any other moisturizer, can deliver some anti-wrinkle effects through its moisturizing action.

Please refer to the Ratings section below for details of the anti-wrinkle rating calculation.

Ingredients

Est. % Ingredient Origin Functions
40
22
11
6
4
3
2
1.5
1
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
Est. %
Collagen
Function:
Origin:
Water
Function:
Origin:
Dimethicone
Function:
Origin:
Butylene Glycol
Function:
Origin:
Polysilicone-11
Function:
Origin:
Glycerin
Function:
Origin:
Caffeine
Function:
Origin:
Squalane
Function:
Origin:
Soluble Collagen
Function:
Origin:
Collagen Amino Acids
Function:
Origin:
Hydrolyzed Collagen
Function:
Origin:
Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine
Function:
Origin:
Palmitoyl Tripeptide-5
Function:
Origin:
Acetyl Tetrapeptide-2
Function:
Origin:
Sodium Hyaluronate
Function:
Origin:
Hydroxyproline
Function:
Origin:
Sodium Citrate
Function:
Origin:
Citric Acid
Function:
Origin:
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
Function:
Origin:
Ammonium Acryloyldimethyltaurate/VP Copolymer
Function:
Origin:
Hydroxystearic Acid
Function:
Origin:
Magnesium Chloride
Function:
Origin:
Polysorbate 20
Function:
Origin:
Polysorbate 80
Function:
Origin:
Sodium Hydroxide
Function:
Origin:
Sorbitan Isostearate
Function:
Origin:
Decyl Glucoside
Function:
Origin:
Lauryl Glucoside
Function:
Origin:
Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate
Function:
Origin:
Leuconostoc/Radish Root Ferment Filtrate
Function:
Origin:
Disodium EDTA
Function:
Origin:
Potassium Sorbate
Function:
Origin:
Sodium Benzoate
Function:
Origin:
Isohexadecane
Function:
Origin:
Ethylhexylglycerin
Function:
Origin:
Hexylene Glycol
Function:
Origin:
Caprylyl Glycol
Function:
Origin:
Phenoxyethanol
Function:
Origin:
Mica
Function:
Origin:

Ratings

All humectants
51.5
40
6
3
1
0.3
0.3
0.3
0.3
0.3
Benchmark
10
All occlusives
13.1
11.0
1.5
0.3
0.3
Benchmark
20
Moisturizing rating
8.3
Ingredient Est. % Benchmark Raiting
Humectancy All humectants 51.5 10
10.0
40
6
3
1
0.3
0.3
0.3
0.3
0.3
Occlusivity All occlusives 13.1 20
6.6
11.0
1.5
0.3
0.3
Moisturizing rating
8.3
Ingredient Est. % Benchmark Humectancy
40
6
3
1
0.3
0.3
0.3
0.3
0.3
All humectants 51.5 10
10
All humectants
51.5
40
6
3
1
0.3
0.3
0.3
0.3
0.3
Benchmark
10
Ingredient Est. % Benchmark Occlusivity
11
1.5
0.3
0.3
All occlusives 13.1 20
6.6
All occlusives
13.1
11.0
1.5
0.3
0.3
Benchmark
20
Ingredient
Ingredient anti-wrinkle power
when present at, %
in this formula est. %
Rating
n/a
- 2 -
n/a
- 0.3 -
n/a
- 0.3 -
Total
0
Caffeine
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
2
Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Palmitoyl Tripeptide-5
-
Ingredient anti-wrinkle power
n/a
when present at, %
-
in this formula, est. %
0.3
Anti-wrinkle rating
0
Ingredient Est. % Benchmark
Rich in Antioxidants
2
0.3
All antioxidants 2.3 3 No
All antioxidants
2.3
Caffeine
2
Sodium Hyaluronate
0.3
Benchmark
3
Ingredient Est. % Benchmark
Rich in Soothing
None
All soothing 0 5 No
All soothing
0
None
Benchmark
5

Ingredients explained

Collagen
Est. %40
Function
Origin
CollagenA protein that builds all human tissues, especially skin and joints. It is used as a moisturizing humectant ingredient in skincare.
Water
Est. %22
Function
Origin
WaterThe most used ingredient in skincare. Its concentration defines the product texture: rich creams may have about 50% of water while a light jelly about 90%. Water doesn’t moisturize the skin by itself and is used in skincare as a solvent for other ingredients.
Dimethicone
Est. %11
Function
Origin
DimethiconeThe most common silicone in skincare. It forms a silky, smooth film on the skin’s surface and can help to prevent water loss. It also aids in wound healing and can treat and soften scars. Dimethicone is considered to be very safe for use.
Butylene Glycol
Est. %6
Function
Origin
Butylene Glycol

A clear, colorless liquid humectant that draws moisture to the skin. The humectancy of butylene glycol, owed to its two hydroxyl groups, is quite considerable, although not as powerful as glycerin, which contains three hydroxyl groups.

Polysilicone-11
Est. %4
Function
Origin
Polysilicone-11A synthetic rubber-like substance of the silicone family that has no color or distinct scent. These are large molecules that cannot penetrate the skin but instead create a thin silky film on the skin's surface.
Glycerin
Est. %3
Function
Origin
Glycerin

The most popular moisturizing ingredient in the world. It is a powerful humectant – cheap yet very effective.

Caffeine
Est. %2
Function
Origin
CaffeineAn antioxidant compound that is obtained from coffee and tea leaves. It increases the microcirculation of blood in the skin and is claimed to be able to reduce the appearance of orange peel skin (although the research is lacking).
Squalane
Est. %1.5
Function
Origin
SqualaneAn occlusive moisturizing and emollient compound that forms part of the skin’s sebum. The main source of squalane had always been shark liver. Now, however, it is manufactured synthetically or derived from plant oils, such as olive and peanut oil.
Soluble Collagen
Est. %1
Function
Origin
Soluble CollagenA protein obtained from farm or marine animals. Collagen molecules are too big to penetrate the skin so when they are applied via a skincare product they sit on top of the skin and act as humectant moisturizers.
Collagen Amino Acids
Est. %0.3
Function
Origin
Collagen Amino AcidsA mixture of amino acids obtained by chopping up collagen molecules. It consists mainly of glycine, proline, alanine, and hydroxyproline. They all have humectant properties.
Hydrolyzed Collagen
Est. %0.3
Function
Origin
Hydrolyzed Collagen

A humectant, film-forming, and emollient mixture of various proteins and peptides that were created by cutting the huge molecules of normal collagen into smaller pieces for better absorption. It also has some antioxidant properties.

Palmitoyl Dipeptide-5 Diaminobutyroyl Hydroxythreonine
Est. %0.3
Function
Origin
Palmitoyl Dipeptide-5 Diaminobutyroyl HydroxythreonineA synthetically made peptide that was designed to target the dermo-epidermal junction, where it should stimulate the production of structural proteins. It has not been clinically tested yet.
Palmitoyl Tripeptide-5
Est. %0.3
Function
Origin
Palmitoyl Tripeptide-5

A small synthetic peptide that signals the skin to produce more collagen. It has been clinically tested and proven to reduce skin roughness and the appearance of wrinkles.

Acetyl Tetrapeptide-2
Est. %0.3
Function
Origin
Acetyl Tetrapeptide-2

Description is coming soon

Sodium Hyaluronate
Est. %0.3
Function
Origin
Sodium Hyaluronate

A sodium salt of famous hyaluronic acid. A potent humectant that hydrates the skin, supports collagen function, and fills out small wrinkles. Sodium hyaluronate also offers soothing and antioxidant properties.

Hydroxyproline
Est. %0.3
Function
Origin
HydroxyprolineAn amino acid that may promote collagen synthesis.
Sodium Citrate
Est. %0.3
Function
Origin
Sodium CitrateA salt of citric acid that has a salty and tart flavor and is used as a fragrance. It is mildly basic, meaning that its addition to a skincare product can adjust the pH upward.
Citric Acid
Est. %0.3
Function
Origin
Citric AcidA gently exfoliating AHA that helps to remove the top layer of dead skin cells. In comparison to other AHAs, citric acid has been shown to be one of the least effective. It is also very commonly used as a stabilizing and pH-controlling agent.
Acrylamide/Sodium Acryloyldimethyltaurate Copolymer
Est. %0.3
Function
Origin
Acrylamide/Sodium Acryloyldimethyltaurate CopolymerA synthetic ingredient that forms a gel when mixed with water. It can thus thicken and stabilize a product.
Ammonium Acryloyldimethyltaurate/VP Copolymer
Est. %0.3
Function
Origin
Ammonium Acryloyldimethyltaurate/VP CopolymerA polymeric ingredient that creates lightweight and refreshing gel textures. It also works as a viscosity controlling agent.
Hydroxystearic Acid
Est. %0.3
Function
Origin
Hydroxystearic AcidA strongly emollient and occlusive saturated fatty acid isolated from castor oil.
Magnesium Chloride
Est. %0.3
Function
Origin
Magnesium ChlorideA chloride salt with a bitter taste and the ability to thicken water-in-oil emulsions.
Polysorbate 20
Est. %0.3
Function
Origin
Polysorbate 20A viscous, amber-colored liquid that functions as a solubilizer to disperse small amounts of oil into a large water phase. Polysorbate 20 is frequently used to solubilize fragrance oils into water-based emulsions.
Polysorbate 80
Est. %0.3
Function
Origin
Polysorbate 80A non-ionic surfactant, which means that it contains no chemical charges. It can be used as a mild cleansing agent in skin cleansing products but is more commonly used for its emulsifying abilities.
Sodium Hydroxide
Est. %0.3
Function
Origin
Sodium Hydroxide

An ingredient that is able to bring the pH of a product up, thereby making it less harsh on the skin.

Sorbitan Isostearate
Est. %0.3
Function
Origin
Sorbitan IsostearateA mild yet powerful emulsifier primarily utilized to produce water-in-oil emulsions. It helps to create a particularly rich and substantial emulsion.
Decyl Glucoside
Est. %0.3
Function
Origin
Decyl GlucosideA surfactant that can function as both a cleansing agent and emulsifier. As a cleansing agent, it is very mild on the skin. As an emulsifier, decyl glucoside will produce oil-in-water emulsions. It is naturally derived from vegetable oils and starch.
Lauryl Glucoside
Est. %0.3
Function
Origin
Lauryl GlucosideA natural nonionic surfactant, which means it acts as an effective cleansing ingredient. It can act alone as a cleanser or be paired with anionic surfactants to make them milder on the skin.
Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate
Est. %0.3
Function
Origin
Tetradecyl Aminobutyroylvalylaminobutyric Urea TrifluoroacetateA small, peptide-like ingredient designed to improve skin firmness and hydration by stimulating the production of proteins and peptidoglycans in the skin.
Leuconostoc/Radish Root Ferment Filtrate
Est. %0.3
Function
Origin
Leuconostoc/Radish Root Ferment FiltrateA biotechnological fermentation ingredient that is created by feeding radish root to Leuconostoc kimchii. It allegedly contains organic acids and a mixture of peptides known as bacteriocins – which have antimicrobial activity.
Disodium EDTA
Est. %0.3
Function
Origin
Disodium EDTAA synthetic chelator that helps to maintain the look and smell of a product by 'locking up' troublesome metal ions.
Potassium Sorbate
Est. %0.3
Function
Origin
Potassium SorbateA preservative widely used in food and personal care products, available from natural sources or synthetically produced. Potassium sorbate works by inhibiting the growth of yeasts, molds, and some bacteria.
Sodium Benzoate
Est. %0.3
Function
Origin
Sodium BenzoateA preservative that usually works in combination with other preservatives. It has to be at low pH (<5.5) to be effective.
Isohexadecane
Est. %0.3
Function
Origin
IsohexadecaneA clear, colorless liquid that is commonly used as an emollient. It is made up of pure hydrocarbons and leaves a dry feeling on the skin upon application. It also increases the spreadability of a product.
Ethylhexylglycerin
Est. %0.3
Function
Origin
EthylhexylglycerinA preservative booster derived from glycerin. It is commonly paired with other preservatives to improve their efficacy. Ethylhexylglycerin is also a humectant due to its chemical base of glycerin.
Hexylene Glycol
Est. %0.3
Function
Origin
Hexylene GlycolA multifunctional ingredient that is best known for its use as a solvent. It can dissolve both water-based ingredients and oils. For this reason, it can also function as an emulsifier, allowing oil and water ingredients to mix and remain stable.
Caprylyl Glycol
Est. %0.3
Function
Origin
Caprylyl GlycolAn emollient that improves product spreadability and offers a silky feel on the skin. It also acts as a preservative booster that improves the efficacy of other preservatives. According to the manufacturer, it is also a humectant moisturizer.
Phenoxyethanol
Est. %0.3
Function
Origin
PhenoxyethanolThe most frequently used preservative in skincare. It is a clear, oil-like liquid synthetic substance that protects products from harmful bacteria and yeast, whilst still leaving skin microflora unharmed. It is confirmed by research to be harmless.
Mica
Est. %0.3
Function
Origin
MicaA mineral powder made up of silicates with several functions (the main one being as a colorant). It has a shimmery appearance, making it highly desirable in certain cosmetic products. Mica also helps the product to apply more smoothly.