Curology Hydro+ Hydration Serum Versus Prose Custom Serum - H0909KKD3DSE#005
Updated on June 18, 2025
Overview
What they are
These products are both cruelty-free, fungal acne (malassezia) safe, and reef safe serums. They have a total of 8 ingredients in common
Cool Features
They both contain AHA and hyaluronic acid
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing and better texture
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, oils, 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
Curology Hydro+ Hydration Serum 20 ingredients
Prose Custom Serum 22 ingredients
What's inside (and what isn't)
What's inside (and what isn't)
At a glance
Click on any of the items below to learn more
Curology Hydro+ Hydration Serum 20 ingredients
Prose Custom Serum 22 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningGlycerin
Humectant
Propanediol
Solvent
1,2-Hexanediol
Skin Conditioning
Isopentyldiol
Humectant
Sodium Citrate
BufferingUrea
Buffering
Pentylene Glycol
Skin ConditioningCitric Acid
Buffering
Hyaluronic Acid
Humectant
Sodium Hyaluronate
Humectant
Hydrolyzed Sodium Hyaluronate
Skin Conditioning
Sodium Acetylated Hyaluronate
Humectant
Sodium Hyaluronate Crosspolymer
Humectant
Polyglutamic Acid
Skin Conditioning
Aloe Barbadensis Leaf Juice
Skin Conditioning
Sodium Phytate
Xanthan Gum
EmulsifyingHydroxyacetophenone
Antioxidant
Ethylhexylglycerin
Skin ConditioningWater, Glycerin, Propanediol, 1,2-Hexanediol, Isopentyldiol, Sodium Citrate, Urea, Pentylene Glycol, Citric Acid, Hyaluronic Acid, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Sodium Hyaluronate Crosspolymer, Polyglutamic Acid, Aloe Barbadensis Leaf Juice, Sodium Phytate, Xanthan Gum, Hydroxyacetophenone, Ethylhexylglycerin
Water
Skin ConditioningGlycerin
Humectant
Propanediol
Solvent
Polyglyceryl-4 Caprate
EmulsifyingBakuchiol
Antimicrobial
Sodium Hyaluronate
Humectant
Allantoin
Skin Conditioning
Hydrolyzed Rhodophyceae Extract
Ethylhexylglycerin
Skin ConditioningPolyacrylate Crosspolymer-6
Emulsion StabilisingCitric Acid
Buffering
Trisodium Ethylenediamine Disuccinate
Sodium Anisate
AntimicrobialSphingomonas Ferment Extract
Skin ConditioningBeta-Glucan
Skin Conditioning
Sodium Citrate
BufferingMangifera Indica Leaf Extract
Skin ConditioningXanthan Gum
EmulsifyingSorbic Acid
Preservative
Benzoic Acid
Masking
Algin
Masking
Polylysine
Water, Glycerin, Propanediol, Polyglyceryl-4 Caprate, Bakuchiol, Sodium Hyaluronate, Allantoin, Hydrolyzed Rhodophyceae Extract, Ethylhexylglycerin, Polyacrylate Crosspolymer-6, Citric Acid, Trisodium Ethylenediamine Disuccinate, Sodium Anisate, Sphingomonas Ferment Extract, Beta-Glucan, Sodium Citrate, Mangifera Indica Leaf Extract, Xanthan Gum, Sorbic Acid, Benzoic Acid, Algin, Polylysine
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Citric 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 AcidEthylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.
Glycerin 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 GlycerinPropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.
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 PropanediolSodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
Its main functions are to maintain the pH of a product and neutralize metal ions.
The acidity of our skin is maintained by our glands and skin biome; normal pH level of skin is slightly acidic (~4.75-5.5).
Being slightly acidic allows our skin to create an "acid mantle". This acid mantle is a thin barrier that protects our skin from bacteria and contaminants.
Learn more about Sodium CitrateSodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.
Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.
These are some other common types of Hyaluronic Acid:
Learn more about Sodium HyaluronateWater. 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 WaterXanthan 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 GumIngredient Ratings
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