The Ordinary Alpha Arbutin 2% + HA Versus Numbuzin No.5 Vitamin Concentrated Serum
Updated on July 29, 2025
Overview
What they are
These products are both cruelty-free and reef safe serums. They have a total of 2 ingredients in common
Suited For
They're both likely to be good for anti aging, 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 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
The Ordinary Alpha Arbutin 2% + HA 12 ingredients
Numbuzin No.5 Vitamin Concentrated Serum 47 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
The Ordinary Alpha Arbutin 2% + HA 12 ingredients
Numbuzin No.5 Vitamin Concentrated Serum 47 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningButylene Glycol
Humectant
Niacinamide
Smoothing
Panthenol
Skin Conditioning
Tranexamic Acid
Astringent
1,2-Hexanediol
Skin Conditioning
Neopentyl Glycol Dicaprate
EmollientCaprylic/Capric Triglyceride
Masking
Sorbitol
Humectant
Vaccinium Macrocarpon Fruit Extract
AstringentChondrus Crispus Extract
Skin Conditioning
Butyrospermum Parkii Butter
Skin Conditioning
Saccharum Officinarum Extract
MoisturisingAlpha-Arbutin
Antioxidant
Bifida Ferment Lysate
Skin Conditioning
Sodium Hyaluronate
Humectant
Azadirachta Indica Leaf Extract
Skin ConditioningOcimum Sanctum Leaf Extract
Skin Conditioning
Melaleuca Alternifolia Leaf Extract
Perfuming
Curcuma Longa Root Extract
Masking
Charcoal Extract
Skin ConditioningWool Extract
Skin ConditioningPentylene Glycol
Skin ConditioningGlycerin
Humectant
3-O-Ethyl Ascorbic Acid
Skin Conditioning
Bisabolol
Masking
Tromethamine
BufferingEthylhexylglycerin
Skin ConditioningAdenosine
Skin Conditioning
Hydrogenated Lecithin
Emulsifying
Allantoin
Skin Conditioning
Glutathione
Ceramide NP
Skin Conditioning
Beta-Glucan
Skin Conditioning
Dipotassium Glycyrrhizate
Humectant
Tocopherol
Antioxidant
Ascorbic Acid
Antioxidant
Ascorbyl Glucoside
Antioxidant
Tocopheryl Acetate
Antioxidant
Hydroxypropyl Cyclodextrin
MaskingUbiquinone
Antioxidant
Thioctic Acid
Antioxidant
Potassium Hydroxide
BufferingBehenyl Alcohol
Emollient
Carbomer
Emulsion StabilisingXanthan Gum
EmulsifyingDisodium EDTA
Water, Butylene Glycol, Niacinamide, Panthenol, Tranexamic Acid, 1,2-Hexanediol, Neopentyl Glycol Dicaprate, Caprylic/Capric Triglyceride, Sorbitol, Vaccinium Macrocarpon Fruit Extract, Chondrus Crispus Extract, Butyrospermum Parkii Butter, Saccharum Officinarum Extract, Alpha-Arbutin, Bifida Ferment Lysate, Sodium Hyaluronate, Azadirachta Indica Leaf Extract, Ocimum Sanctum Leaf Extract, Melaleuca Alternifolia Leaf Extract, Curcuma Longa Root Extract, Charcoal Extract, Wool Extract, Pentylene Glycol, Glycerin, 3-O-Ethyl Ascorbic Acid, Bisabolol, Tromethamine, Ethylhexylglycerin, Adenosine, Hydrogenated Lecithin, Allantoin, Glutathione, Ceramide NP, Beta-Glucan, Dipotassium Glycyrrhizate, Tocopherol, Ascorbic Acid, Ascorbyl Glucoside, Tocopheryl Acetate, Hydroxypropyl Cyclodextrin, Ubiquinone, Thioctic Acid, Potassium Hydroxide, Behenyl Alcohol, Carbomer, Xanthan Gum, Disodium EDTA
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-ArbutinWater. 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
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When to use
The Ordinary Alpha Arbutin 2% + HA 12 ingredients
Numbuzin No.5 Vitamin Concentrated Serum 47 ingredients
Reviews
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