The Ordinary Alpha Arbutin 2% + HA Versus The Purest Solutions Brightening Serum
Updated on March 07, 2025
Overview
What they are
These products are both vegan, cruelty-free, and reef safe serums. They have a total of 4 ingredients in common
Cool Features
They both contain AHA
Suited For
They're both likely to be good for dry skin, brightening skin, sensitive skin, oily skin, reducing pores, scar healing, dark spots and better texture
Free From
They both do not contain any common allergens, fragrances, 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 Ordinary Alpha Arbutin 2% + HA 12 ingredients
The Purest Solutions Brightening Serum 25 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
The Ordinary Alpha Arbutin 2% + HA 12 ingredients
The Purest Solutions Brightening Serum 25 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningAlpha-Arbutin
Antioxidant
Phenethyl Alcohol
MaskingHydroxyethylcellulose
Emulsion StabilisingPropylene Glycol
Humectant
Aloe Barbadensis Leaf Juice Powder
Skin Conditioning
Triethanolamine
Buffering1,2-Hexanediol
Skin Conditioning
Citric Acid
Buffering
Glycerin
Humectant
Sodium Acetate
BufferingCitrus Reticulata Fruit Water
MaskingSodium PCA
Humectant
Isopropyl Alcohol
Solvent
Pentylene Glycol
Skin ConditioningCellulose
AbsorbentErythritol
Humectant
Carrageenan
Sodium Acetylated Hyaluronate
Humectant
Sodium Hyaluronate
Humectant
Xanthan Gum
EmulsifyingSodium Hyaluronate Crosspolymer
Humectant
Ethylhexylglycerin
Skin ConditioningHydrolyzed Sodium Hyaluronate
Skin Conditioning
Phenoxyethanol
Preservative
Water, Alpha-Arbutin, Phenethyl Alcohol, Hydroxyethylcellulose, Propylene Glycol, Aloe Barbadensis Leaf Juice Powder, Triethanolamine, 1,2-Hexanediol, Citric Acid, Glycerin, Sodium Acetate, Citrus Reticulata Fruit 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
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Alpha-Arbutin is made from hydroquinone and glucose. It may also be derived from the fermentation of soybeans.
This ingredient an antioxidant, meaning it helps protect your skin cells against damage.
Studies show this ingredient helps improve hyperpigmentation and fade discoloration.
Alpha-Arbutin may be used with other ingredients that help with hyperpigmentation. These ingredients include retinol, Vitamin C, niacinamide, and tranexamic acid.
Learn more about Alpha-ArbutinThis 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 HyaluronatePhenoxyethanol 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.
It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.
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 WaterIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
The Ordinary Alpha Arbutin 2% + HA 12 ingredients
The Purest Solutions Brightening Serum 25 ingredients
Reviews
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