The Purest Solutions Hydration Booster Daily Moisturizing Cream Versus COSRX Oil Free Ultra Moisturizing Lotion with Birch Sap
Updated on July 18, 2023
Overview
What they are
These products are both reef safe general moisturizers. They have a total of 7 ingredients in common
Cool Features
They both contain hyaluronic acid
Suited For
They're both likely to be good for dry skin, brightening skin and sensitive skin
Free From
They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates
What's Inside
They both contain silicones
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
The Purest Solutions Hydration Booster Daily Moisturizing Cream 38 ingredients
COSRX Oil Free Ultra Moisturizing Lotion with Birch Sap 19 ingredients
At a glance
Click on any of the items below to learn more
The Purest Solutions Hydration Booster Daily Moisturizing Cream 38 ingredients
COSRX Oil Free Ultra Moisturizing Lotion with Birch Sap 19 ingredients
Notable Ingredients
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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.
Glyceryl Stearate is a mix of glycerin and stearic acid.
C12-15 Alkyl Benzoate is made up of Benzoic Acid and long chain alcohols. It has a low molecular weight.
Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
A type of fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product. They are usually derived from natural fats and oils and therefore do not have the same drying or irritating effect as traditional alcohols.
Peg-100 Stearate is an emollient and emulsifier. PEGS are a hydrophilic polyether compound . There are 100 ethylene oxide monomers in Peg-100 Stearate. Peg-100 Stearate is polyethylene glycol ester of stearic acid.
Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.
Dimethiconol is a silicone that resembles the popular dimethicone. Like other silicones, it is an emollient. Emollients create a thin film on skin to prevent moisture from escaping.
2 Concerns
Butyrospermum Parkii Butter is a plant lipid from the fruit of the Shea Tree. It is an effective skin hydrator and emollient.
Sodium Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.
3 Concerns
Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Ascophyllum Nodosum Extract is from brown seaweed that grows in the northern Atlantic Ocean. It is an antioxidant. Antioxidants help fight off free-radicals. Free-radicals are molecules that may damage our skin cells.
Asparagopsis Armata Extract is from seaweed. It is an antioxidant. Antioxidants help fight off free-radical molecules. These molecules damage our cells.
You might know this ingredient as a sugar substitute in foods. It is a sugar alcohol with humectant properties.
Squalane 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.
Phenethyl Alcohol is a colorless and aromatic alohol. It is naturally occuring in essential oils.
1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.
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.
Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.
Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
Peg-7 Glyceryl Cocoate is created from polyethylene glycol and fatty acids from coconut oil.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
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.
Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.
Glycine Soja Sterols is derived from the soybean plant. Sterols are an organic compound and technically an alcohol.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Water, Glycerin, Glyceryl Stearate, C12-15 Alkyl Benzoate, Caprylic/Capric Triglyceride, Dimethicone, Behenyl Alcohol, Peg-100 Stearate, Cyclopentasiloxane, Dimethiconol, Butyrospermum Parkii Butter, Sodium Acrylates Copolymer, Sodium Hyaluronate Crosspolymer, Sodium Hyaluronate, Sodium Acetylated Hyaluronate, Hydrolyzed Sodium Hyaluronate, Sodium PCA, Cetearyl Alcohol, Ribose, Saccharide Isomerate, Hydrogenated Starch Hydrolysate, Ascophyllum Nodosum Extract, Asparagopsis Armata Extract, Erythritol, Chondrus Crispus, Ceramide 3, Squalane, Phenethyl Alcohol, 1,2-Hexanediol, Xanthan Gum, Bisabolol, Sodium Citrate, Peg-7 Glyceryl Cocoate, Niacinamide, Tocopheryl Acetate, Lecithin, Glycine Soja Sterols, Parfum
Betula Platyphylla Japonica Juice is the sap of the Asian White Birch tree. Birch juice has antioxidant, hydrating, and soothing properties.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
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.
3 Concerns
Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.
Cetearyl Olivate is an emulsifier and texture enhancer. It is derived from the fatty acids of olive oil and Cetearyl alcohol, and is biodegradable.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.
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.
Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Sodium Lactate is the sodium salt of lactic acid, an AHA. It is a humectant and used to adjust the pH of a product.
4-Terpineol is the main component of tea tree oil. It has antibacterial, antioxidant, and anti-inflammatory properties.
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.
Betula Platyphylla Japonica Juice, Butylene Glycol, Glycerin, Dimethicone, Betaine, Cetearyl Alcohol, 1,2-Hexanediol, Cetearyl Olivate, Sorbitan Olivate, Ethylhexylglycerin, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Ethyl Hexanediol, Xanthan Gum, Allantoin, Panthenol, Sodium Hyaluronate, Sodium Lactate, 4-Terpineol, Water
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 GlycerinDimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.
Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.
Sodium 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 HyaluronateCetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.
Cetearyl alcohol is an emollient. Emollients help soothe and hydrate the skin by trapping moisture.
Studies show Cetearyl alcohol is non-toxic and non-irritating. The FDA allows products labeled "alcohol-free" to have fatty alcohols.
This ingredient is usually derived from plant oils such as palm, vegetable, or coconut oils. There is debate on whether this ingredient will cause acne.
Due to the fatty acid base, this ingredient may not be Malassezia folliculitis safe.
Learn more about Cetearyl Alcohol1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.
In products that are water-based, this ingredient can help stabilize perfumes and fragrances. It can also help make the texture of products softer and more smooth.
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.
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
Here's what our community thinks of the ingredients in these products.
When to use
The Purest Solutions Hydration Booster Daily Moisturizing Cream 38 ingredients
COSRX Oil Free Ultra Moisturizing Lotion with Birch Sap 19 ingredients
Reviews
Here's what our community thinks
The Purest Solutions Hydration Booster Daily Moisturizing Cream 38 ingredients
COSRX Oil Free Ultra Moisturizing Lotion with Birch Sap 19 ingredients
CustardBunny
lasts forever
+ feels good on the skin
+not sticky or excessively fat
+ no smell
+ one little click is enough to last ur face and neck!
- can...
lasts forever
+ feels good on the skin
+not sticky or excessively fat
+ no smell
+ one little click is enough to last ur face and neck!
- can be expensive to buy
AlessandraRodriguez_228
GAVE ME A BREAKOUT
first product to ever be a direct cause for acne, i hope i get to pinpoin which ingridient was. When i stopped using this, the...
GAVE ME A BREAKOUT
first product to ever be a direct cause for acne, i hope i get to pinpoin which ingridient was. When i stopped using this, the acne went away too.
