Prose Custom Moisturizer - ERM Versus Prequel Half & Half Peptides & Ceramides Fluid Moisturizer
Updated on February 26, 2025
Overview
What they are
These products are both vegan, cruelty-free, and reef safe general moisturizers. They have a total of 13 ingredients in common
Cool Features
They both contain ceramides and Vitamin E
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin and scar healing
Free From
They both do not contain any harsh alcohols, common allergens, parabens, silicones or sulfates
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
Prose Custom Moisturizer 35 ingredients
Prequel Half & Half Peptides & Ceramides Fluid Moisturizer 51 ingredients
About this product
About this product
At a glance
Click on any of the items below to learn more
Prose Custom Moisturizer 35 ingredients
Prequel Half & Half Peptides & Ceramides Fluid Moisturizer 51 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningEthylhexyl Pelargonate
Emollient
Glycerin
Humectant
Squalane
Emollient
Propanediol
SolventCetearyl Alcohol
Emollient
Rosa Canina Fruit Oil
Emollient
Ectoin
Skin Conditioning
Glyceryl Stearate
Emollient
Triolein
Skin Conditioning
Jojoba Esters
Emollient
Carbomer
Emulsion StabilisingC10-18 Triglycerides
Emollient
Hydrolyzed Rhodophyceae Extract
Caesalpinia Spinosa Fruit Extract
Skin ProtectingSodium Stearoyl Glutamate
CleansingCaprylyl Glycol
EmollientHelianthus Annuus Seed Wax
Skin Conditioning
Xanthan Gum
EmulsifyingGlyceryl Dioleate
Emollient
Ceramide NP
Skin Conditioning
Arginine
Masking
Kappaphycus Alvarezii Extract
Skin ConditioningTrisodium Ethylenediamine Disuccinate
Caprylhydroxamic Acid
Microcitrus Australasica Fruit Extract
Polyglycerin-3
HumectantBiosaccharide Gum-1
Skin ConditioningAgastache Mexicana Flower/Leaf/Stem Extract
Skin ConditioningTocopherol
Antioxidant
Sodium Levulinate
Skin ConditioningGlyceryl Caprylate
EmollientHelianthus Annuus Seed Oil
Emollient
Sodium Anisate
AntimicrobialPolylysine
Water, Ethylhexyl Pelargonate, Glycerin, Squalane, Propanediol, Cetearyl Alcohol, Rosa Canina Fruit Oil, Ectoin, Glyceryl Stearate, Triolein, Jojoba Esters, Carbomer, C10-18 Triglycerides, Hydrolyzed Rhodophyceae Extract, Caesalpinia Spinosa Fruit Extract, Sodium Stearoyl Glutamate, Caprylyl Glycol, Helianthus Annuus Seed Wax, Xanthan Gum, Glyceryl Dioleate, Ceramide NP, Arginine, Kappaphycus Alvarezii Extract, Trisodium Ethylenediamine Disuccinate, Caprylhydroxamic Acid, Microcitrus Australasica Fruit Extract, Polyglycerin-3, Biosaccharide Gum-1, Agastache Mexicana Flower/Leaf/Stem Extract, Tocopherol, Sodium Levulinate, Glyceryl Caprylate, Helianthus Annuus Seed Oil, Sodium Anisate, Polylysine
Water
Skin ConditioningGlycerin
Humectant
Propanediol
SolventIsopropyl Myristate
Emollient
Ethylhexyl Olivate
Skin Conditioning
Squalane
Emollient
Hydrolyzed Rice Protein
Skin ConditioningCeramide NP
Skin Conditioning
Ceramide As
Skin Conditioning
Ceramide Ns
Skin Conditioning
Ceramide EOP
Skin Conditioning
Ceramide AP
Skin Conditioning
Hexapeptide-11
Skin Conditioning
Palmitoyl Tripeptide-1
Skin Conditioning
Palmitoyl Tetrapeptide-7
Skin Conditioning
Polyglyceryl-10 Stearate
Skin Conditioning
Triolein
Skin Conditioning
Ammonium Acryloyldimethyltaurate/Vp Copolymer
Glyceryl Oleate
Emollient
Undecane
EmollientHydroxyacetophenone
Antioxidant
Glyceryl Dioleate
Emollient
Caprylyl Glycol
EmollientXanthan Gum
EmulsifyingTridecane
Perfuming
Betaine
Humectant
Sodium Stearoyl Glutamate
CleansingCitric Acid
Buffering
Sodium Phytate
Sodium PCA
HumectantSodium Hydroxide
BufferingSodium Lactate
BufferingPCA
HumectantSodium Benzoate
Masking
Serine
MaskingAlanine
MaskingPalmitic Acid
Emollient
Glycine
Buffering
Hydrogenated Lecithin
EmulsifyingEthylhexyl Palmitate
Emollient
Butylene Glycol
Humectant
Phenoxyethanol
Preservative
Ethylhexylglycerin
Skin ConditioningGlutamic Acid
HumectantLysine Hcl
Skin Conditioning
Threonine
Arginine
Masking
Proline
Skin ConditioningTocopherol
Antioxidant
Carbomer
Emulsion StabilisingPolysorbate 20
Emulsifying
Water, Glycerin, Propanediol, Isopropyl Myristate, Ethylhexyl Olivate, Squalane, Hydrolyzed Rice Protein, Ceramide NP, Ceramide As, Ceramide Ns, Ceramide EOP, Ceramide AP, Hexapeptide-11, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Polyglyceryl-10 Stearate, Triolein, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Glyceryl Oleate, Undecane, Hydroxyacetophenone, Glyceryl Dioleate, Caprylyl Glycol, Xanthan Gum, Tridecane, Betaine, Sodium Stearoyl Glutamate, Citric Acid, Sodium Phytate, Sodium PCA, Sodium Hydroxide, Sodium Lactate, PCA, Sodium Benzoate, Serine, Alanine, Palmitic Acid, Glycine, Hydrogenated Lecithin, Ethylhexyl Palmitate, Butylene Glycol, Phenoxyethanol, Ethylhexylglycerin, Glutamic Acid, Lysine Hcl, Threonine, Arginine, Proline, Tocopherol, Carbomer, Polysorbate 20
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 GlycerinSqualane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.
Because squalane boosts hydration in the skin, it also comes with plenty of benefits: it is an antioxidant and can help fight free radicals and skin damage. Squalane is also found to have a detoxifying effect when applied.
Squalane comes from squalene, which occurs naturally within the sebum of our skin. It is one of the oils our skin produces to keep itself hydrated. Squalane is the hydrogenated version of squalene and has a longer shelf life.
Research shows that squalane is non-irritating (even at 100% concentration).
In general, it's a fantastic ingredient. It does a great job at hydrating the skin, and it's suitable for those with sensitive skin.
The source of squalane may impact malassezia / fungal acne. This is because olive oil derived squalane can contain impurities such as fatty acids and plant waxes. Sugarcane derived squalane is recommended for anyone with malassezia concerns.
Is squalane vegan?
This depends on the source. Squalane can be derived from both plants and animals. Most squalane used in skincare comes from plants.
Please note: the source of squalane is only known if disclosed by the brand. We recommend reaching out to the brand if you have any questions about their squalane.
Read more about squalene with an "e".
Learn more about SqualanePropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.Â
It’s often used to:
Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.
Learn more about PropanediolTriolein isn't fungal acne safe.
Carbomer is a polymer of acrylic acid. Its main role is to create a gel consistency.
A high amount of carbomer can cause pilling or balling up of products. Don't worry, most products contain 1% or less of carbomer.
Sodium Stearoyl Glutamate is an emulsifier and helps condition the skin. It is amino acid-based.
In higher amounts, it may act as a cleansing agent.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.
Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.
This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.
Learn more about Caprylyl GlycolXanthan 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.
On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.
Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.
Learn more about Xanthan GumGlyceryl Dioleate isn't fungal acne safe.
Ceramide NP is a type of ceramide.
Ceramides are intercellular lipids naturally found in our skin that bonds dead skin cells together to create a barrier. They are known for their ability to hold water and thus are a great ingredient for dry skin.
Ceramides are an important building block for our skin barrier. A stronger barrier helps the skin look more firm and hydrated. By bolstering the skin ceramides act as a barrier against irritating ingredients. This can help with inflammation as well.
If you would like to eat ceramides, sweet potatoes contain a small amount.
Read more about other common types of ceramides here: Ceramide AP Ceramide EOP
Learn more about Ceramide NPArginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.
As a cosmetic ingredient, Arginine has antioxidant properties and can also help repair damaged skin. This ingredient is derived either synthetically or from animals.
Arginine isn't fungal acne safe when used in the presence of other lipids (fats, fatty acids, oils, esters, etc). Oils and fats occur naturally within the skin, so take caution when using Arginine if you're prone to fungal acne.
Learn more about ArginineTocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.
Vitamin E also helps keep your natural skin lipids healthy. Your lipid skin barrier naturally consists of lipids, ceramides, and fatty acids. Vitamin E offers extra protection for your skin’s lipid barrier, keeping your skin healthy and nourished.
Another benefit is a bit of UV protection. Vitamin E helps reduce the damage caused by UVB rays. (It should not replace your sunscreen). Combining it with Vitamin C can decrease sunburned cells and hyperpigmentation after UV exposure.
You might have noticed Vitamin E + C often paired together. This is because it is great at stabilizing Vitamin C. Using the two together helps increase the effectiveness of both ingredients.
There are often claims that Vitamin E can reduce/prevent scarring, but these claims haven't been confirmed by scientific research.
Learn more about TocopherolIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Prose Custom Moisturizer 35 ingredients
Prequel Half & Half Peptides & Ceramides Fluid Moisturizer 51 ingredients
Reviews
Here's what our community thinks
Prose Custom Moisturizer 35 ingredients
Prequel Half & Half Peptides & Ceramides Fluid Moisturizer 51 ingredients
I'm low-key obsessed with this product -- it feels so nourishing and moisturizing, while feeling light on the face. I've got dry skin, so I use this in addition to a more traditional/heavier moisturizer at night. I have also used it as my sole day-time moisturizer with no problem. A little goes a long way with this, so I think a bottle will last me a long time!
I love this moisturizer so much. It has ceramides and peptides to promote a healthy skin barrier and anti-aging. Just make sure to shake well before applying to mix it up good. It is a very lightweight emulsion that I wear over my morning skincare, under my SPF, because it is light enough to play well with makeup and sunscreen. I use it at night before my tretinoin as a buffer layer, and I wake up Show more
