Peter Thomas Roth Instant FIRMx Eye™ Versus Q + A Peptide Serum
Overview
What they are
These products are both reef safe . They have a total of 3 ingredients in common
Cool Features
They both contain peptides and Vitamin C
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any harsh alcohols, common allergens, oils or parabens
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.
Ingredient Info
Peter Thomas Roth Instant FIRMx Eye™ 35 ingredients
Q + A Peptide Serum 22 ingredients
At a glance
Click on any of the items below to learn more
Peter Thomas Roth Instant FIRMx Eye™ 35 ingredients
Q + A Peptide Serum 22 ingredients
Notable Ingredients
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Benefits
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Concerns
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Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
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Benefits
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Concerns
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Ingredients Side-by-side
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Magnesium Aluminum Silicate is a type of silica. It comes from naturally occuring minerals such as silicate ores and clay.
Not safe for Fungal Acne
Palmitoyl Tetrapeptide-7 is a peptide. Peptides are building blocks for protein.
Antioxidant 6 Benefits
Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.
Antioxidant Helps brighten skin
Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.
Silicon
Hesperidin Methyl Chalcone is an antioxidant and is a type of silicone.
7 Benefits 3 Concerns
Retinyl palmitate is a form of retinoid. Retinoids are the superstar class of anti-aging ingredients that include tretinoin and retinol.
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
Carrageenan comes from red seaweed or algae. It is made up of polysaccharides and a highly flexible compound. Red algae cell walls are rich in carrageenan.
2 Concerns
Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.
Octyldodecanol is a fatty alcohol. It is primarily used to enhance the texture of products.
Sodium Propoxyhydroxypropyl Thiosulfate Silica is a type of sulfate.
This BHA stands for butylated hydroxyanisole. If you are looking for the beta-hydroxy acid, aka as Salicylic Acid, click here.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
Steareth-20 is a waxy compound used to emulsify ingredients. It is created from stearyl alcohol.
Sodium Cocoyl Glutamate is a gentle cleanser and surfactant. It is the sodium salt of the Cocoyl Glutamic Acid and comes from coconut oil. As a surfactant, it helps lift dirt and oil to be washed away.
Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.
Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.
Water, Glycerin, Butylene Glycol, Sodium Silicate, Magnesium Aluminum Silicate, Sodium Magnesium Fluorosilicate, Palmitoyl Tetrapeptide-7, Dipeptide-2, Ascorbic Acid, Tocopheryl Acetate, Hesperidin Methyl Chalcone, Retinyl Palmitate, Panthenol, Foeniculum Vulgare Seed Extract, Medicago Sativa Seed Extract, Carrageenan, Argania Spinosa Kernel Extract, Peg-8 Dimethicone, Silica, Octyldodecanol, Symphytum Officinale Leaf Extract, Sodium Propoxyhydroxypropyl Thiosulfate Silica, BHA, Disodium EDTA, Hydrolyzed Lupine Protein, Steareth-20, Sodium Cocoyl Glutamate, Carbomer, Chlorhexidine Digluconate, Ethylhexylglycerin, Potassium Sorbate, Citric Acid, Sodium Citrate, Sodium Benzoate, Phenoxyethanol
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.
Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
Sodium Phytate is the synthetic salt form of phytic acid. Phytic acid is an antioxidant and can be found in plant seeds.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
This Honeysuckle flower extract comes from the Italian honeysuckle. It is an antioxidant, antimicrobial, and fragrance.
Biosaccharide Gum-1 is a sugar created from fermented sorbitol. Most sorbitol is made from potato starch.
Sodium levulinate is the a sodium salt of Levulinic Acid. If dissolved in an aqueous solution, the two ingredients become identical.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Antioxidant 6 Benefits
Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.
This ingredient is the magnesium salt of PCA (Pyrrolidone Carboxylic Acid). It is a great skin hydrator for the top layers of skin.
6 Benefits 3 Concerns
Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.
Sodium Anisate comes from fennel. It is used as a preservative and to add flavoring.
Leuconostoc Ferment Filtrate is created from fermenting leuconostoc, a microorganism.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Water, Propylene Glycol, Betaine, Pentylene Glycol, Xanthan Gum, Aloe Barbadensis Leaf Juice Powder, Sodium Phytate, Glycerin, Lonicera Caprifolium Flower Extract, Biosaccharide Gum-1, Lonicera Japonica Flower Extract, Sodium Levulinate, Tripeptide-29, Sodium Hyaluronate, Sodium Ascorbyl Phosphate, Magnesium PCA, Lactic Acid, Glyceryl Caprylate, Cocoyl Proline, Sodium Anisate, Leuconostoc Ferment Filtrate, Citric Acid
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterGlycerin is already naturally found in your skin. It helps moisturize and protect your skin.
A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.
As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.
Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.
Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.
In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.
This ingredient is organic, colorless, odorless, and non-toxic.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Learn more about GlycerinCitric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and even out skin tone.
If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.
Read more about some other popular AHA's here:
Learn more about Citric AcidIngredient Ratings
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When to use
Peter Thomas Roth Instant FIRMx Eye™ 35 ingredients
Q + A Peptide Serum 22 ingredients
