The Purest Solutions Brightening Serum Arbutin 2% + Hyaluronic Acid Versus Honest Beauty Vitamin C Radiance Serum
Updated on June 26, 2024
Overview
What they are
These products are both fungal acne (malassezia) safe and reef safe serums. They have a total of 11 ingredients in common
Cool Features
They both contain AHA and hyaluronic acid
Suited For
They're both likely to be good for dry skin, brightening skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any 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
The Purest Solutions Brightening Serum Arbutin 2% + Hyaluronic Acid 25 ingredients
Honest Beauty Vitamin C Radiance Serum 33 ingredients
At a glance
Click on any of the items below to learn more
The Purest Solutions Brightening Serum Arbutin 2% + Hyaluronic Acid 25 ingredients
Honest Beauty Vitamin C Radiance Serum 33 ingredients
Notable Ingredients
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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:
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Benefits
This product contains 1 ingredient that may have this attribute:
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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.
2 Benefits
Alpha-Arbutin is made from hydroquinone and glucose. It may also be derived from the fermentation of soybeans.
Phenethyl Alcohol is a colorless and aromatic alohol. It is naturally occuring in essential oils.
Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Triethanolamine is an emulsifier and pH adjuster. It is created using ethylene oxide and ammonia. This gives Triethanolamine a nitrogen core and a similar scent to ammonia.
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.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.
5 Concerns
Isopropyl Alcohol is more commonly known as rubbing alcohol. It is most commonly used as a solvent, meaning it helps other ingredients dissolve.
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.
Cellulose is the main component of plant cell walls. It is used as an emulsifier, absorbent, and texture enhancer.
You might know this ingredient as a sugar substitute in foods. It is a sugar alcohol with humectant properties.
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.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
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 Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
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, Alpha-Arbutin, Phenethyl Alcohol, Hydroxyethylcellulose, Propylene Glycol, Aloe Barbadensis Leaf Juice Powder, Triethanolamine, 1,2-Hexanediol, Citric Acid, Glycerin, Sodium Acetate, Citrus Grandis Peel Water, Sodium PCA, Isopropyl Alcohol, Pentylene Glycol, Cellulose, Erythritol, Carrageenan, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Xanthan Gum, Sodium Hyaluronate Crosspolymer, Ethylhexylglycerin, Hydrolyzed Sodium Hyaluronate, 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.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.
Pyrus Malus Fruit Extract is extract from Apples. Apples are rich in Vitamin C, sugars, and antioxidants.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Sclerotium Gum is a polysaccharide gum made by the fungus, Sclerotium rolfssii. It is similar to xanthan gum.
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.
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.
Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.
You might know this ingredient as a sugar substitute in foods. It is a sugar alcohol with humectant properties.
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.
Trifolium Pratense Flower Extract can help to reduce large pores.
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.
Antioxidant 6 Benefits
Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.
Tin Oxide is an inorganic oxide used to add opacity and volume to a product. In nature, it is already found in mineral form. The main ore of tin is an opaque and shiny mineral called casseterite.
May worsen Eczema
Benzoic Acid is used to preserve and adjust the pH of products.
May worsen Eczema
Sorbic Acid is a preservative. It is the most commonly used food preservative in the world.
Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.
Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.
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.
Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.
Water, Glycerin, Propanediol, Pyrus Malus Fruit Extract, Cynara Scolymus Leaf Extract, Aloe Barbadensis Leaf Juice Powder, Diglucosyl Gallic Acid, Citric Acid, Lysolecithin, Sclerotium Gum, Xanthan Gum, Pullulan, Silica, Sodium Acetylated Hyaluronate, Sodium PCA, Erythritol, Carrageenan, Hydrolyzed Sodium Hyaluronate, Isopentyldiol, Trifolium Pratense Flower Extract, Cananga Odorata Flower Water, Trisodium Ethylenediamine Disuccinate, 1,2-Hexanediol, Caprylhydroxamic Acid, Sodium Ascorbyl Phosphate, Tin Oxide, Benzoic Acid, Sorbic Acid, Sodium Hydroxide, Potassium Sorbate, Sodium Benzoate, CI 77891, CI 77015
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 WaterAloe Barbadensis Leaf Juice Powder comes from the aloe plant.
You may know Aloe to be a good sunburn reliever and inflammation reducer. This is because it contains many components that are known to help reduce irritation and itchiness.
Aloe leaves are also great moisturizers. They are naturally rich in polysaccharides, a carbohydrate made of sugars. Polysaccharides are able to mimic the carbs found in the top layer of your skin. This can help keep your skin hydrated.
Aloe contains the antioxidants Vitamins A, C, and E. These vitamins neutralize free radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.
Aloe does not protect against UV rays, despite it soothing sunburns.
Learn more about Aloe Barbadensis Leaf Juice Powder1,2-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.
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 AcidGlycerin 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 GlycerinSodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.
The PCA stands for pyrrolidone carboxylic acid, a natural amino acid derivative.
Sodium PCA is a has conditioning, anti-inflammatory, and humectant properties. Humectants help hydrate your skin by drawing moisture from the air. This helps keep your skin moisturized.
Learn more about Sodium PCAYou might know this ingredient as a sugar substitute in foods. It is a sugar alcohol with humectant properties.
Humectants attract water to your skin (like glycerin or hyaluronic acid).
Fun fact: Erythritol can be naturally found in some fermented foods.
Learn more about ErythritolCarrageenan 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.
In cosmetics, it helps to thicken the texture. Studies show carrageenan extracted from red algae possess antioxidant properties. Components found in carrageenan include: lipids, fatty acids, Vitamin E, proteins, and several amino acids.
Learn more about different types of algae.
Carrageenan is also commonly used in medicine and food. It is a vegan alternative to animal-based gelatin.
Learn more about CarrageenanSodium Acetylated Hyaluronate is a type of Hyaluronic Acid.
Hyaluronic Acids help moisturize, soothe, and protect the skin.
Read about common types of Hyaluronic Acid here: Sodium Hyaluronate Hydrolyzed Hyaluronic Acid Hyaluronic Acid
Learn more about Sodium Acetylated HyaluronateXanthan 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 GumThis ingredient is created by putting sodium hyaluronate through hydrolysis.
You might know this as 'mini' or 'ultra low-molecular weight' hyaluronic acid. The small molecule size means it is able to travel deeper in the skin.
According to studies, low molecular-weight hyaluronic acid can:
One study from 2011 found ultra-low weight HA to show pro-inflammatory properties. Another study from 2022 found it to downregulate UV-B induced inflammation.
Hydrolysis is a process of changing a molecule using water or enzymes.
This ingredient is water-soluble.
Learn more about Hydrolyzed Sodium HyaluronateIngredient Ratings
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