Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum Versus Naturium Multi-Bright Tranexamic Acid Treatment 5%
Updated on August 20, 2025
Overview
What they are
These products are both cruelty-free and reef safe . 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 fighting acne, 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
Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum 18 ingredients
Naturium Multi-Bright Tranexamic Acid Treatment 5% 45 ingredients
What's inside
What's inside
At a glance
Click on any of the items below to learn more
Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum 18 ingredients
Naturium Multi-Bright Tranexamic Acid Treatment 5% 45 ingredients
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Aloe Barbadensis Leaf Extract
Emollient
Propanediol
Solvent
Arbutin
Antioxidant
Niacinamide
Smoothing
1,2-Hexanediol
Skin Conditioning
Hydroquinone
Stabilising
Citric Acid
Buffering
Sodium Citrate
BufferingSodium Hyaluronate
Humectant
Salicylic Acid
Masking
Kojic Acid
Antioxidant
Lactic Acid
Buffering
Hamamelis Virginiana Leaf Extract
Skin Conditioning
Rosmarinus Officinalis Extract
AntimicrobialEucalyptus Globulus Leaf
Skin ConditioningThymus Vulgaris Extract
Perfuming
Aspalathus Linearis Extract
Skin ConditioningDisodium EDTA
Aloe Barbadensis Leaf Extract, Propanediol, Arbutin, Niacinamide, 1,2-Hexanediol, Hydroquinone, Citric Acid, Sodium Citrate, Sodium Hyaluronate, Salicylic Acid, Kojic Acid, Lactic Acid, Hamamelis Virginiana Leaf Extract, Rosmarinus Officinalis Extract, Eucalyptus Globulus Leaf, Thymus Vulgaris Extract, Aspalathus Linearis Extract, Disodium EDTA
Water
Skin ConditioningButylene Glycol
Humectant
C12-15 Alkyl Benzoate
AntimicrobialTranexamic Acid
Astringent
Caprylic/Capric Triglyceride
Masking
Propanediol
Solvent
Kaolin
Abrasive
Cetearyl Alcohol
Emollient
Glycerin
Humectant
Isostearyl Alcohol
Emollient
C13-15 Alkane
SolventMyrica Cerifera Fruit Wax
EmollientEthylhexyl Olivate
Skin Conditioning
Butylene Glycol Cocoate
Emulsifying
Kojic Acid
Antioxidant
Alpha-Arbutin
Antioxidant
Acetyl Glucosamine
Skin ConditioningAllantoin
Skin Conditioning
Coco-Caprylate/Caprate
Emollient
Squalane
Emollient
Evodia Rutaecarpa Fruit Extract
Skin ConditioningTriheptanoin
Skin ConditioningCitric Acid
Buffering
Hydroxyacetophenone
Antioxidant
Carbomer
Emulsion StabilisingCaprylyl Glycol
Emollient
1,2-Hexanediol
Skin Conditioning
C9-12 Alkane
SolventDilinoleic Acid/Butanediol Copolymer
Tremella Fuciformis Sporocarp Extract
Antioxidant
Helianthus Annuus Seed Oil
Emollient
Rosmarinus Officinalis Leaf Extract
AntimicrobialXanthan Gum
EmulsifyingBetaine
Humectant
Sorbitol
Humectant
Ethylcellulose
Lecithin
Emollient
Rubus Idaeus Fruit Extract
AstringentSodium Hydroxide
BufferingSodium Phytate
Ectoin
Skin Conditioning
Phenoxyethanol
Preservative
Castor Oil/Ipdi Copolymer
Potassium Sorbate
Preservative
Glyceryl Caprylate
EmollientWater, Butylene Glycol, C12-15 Alkyl Benzoate, Tranexamic Acid, Caprylic/Capric Triglyceride, Propanediol, Kaolin, Cetearyl Alcohol, Glycerin, Isostearyl Alcohol, C13-15 Alkane, Myrica Cerifera Fruit Wax, Ethylhexyl Olivate, Butylene Glycol Cocoate, Kojic Acid, Alpha-Arbutin, Acetyl Glucosamine, Allantoin, Coco-Caprylate/Caprate, Squalane, Evodia Rutaecarpa Fruit Extract, Triheptanoin, Citric Acid, Hydroxyacetophenone, Carbomer, Caprylyl Glycol, 1,2-Hexanediol, C9-12 Alkane, Dilinoleic Acid/Butanediol Copolymer, Tremella Fuciformis Sporocarp Extract, Helianthus Annuus Seed Oil, Rosmarinus Officinalis Leaf Extract, Xanthan Gum, Betaine, Sorbitol, Ethylcellulose, Lecithin, Rubus Idaeus Fruit Extract, Sodium Hydroxide, Sodium Phytate, Ectoin, Phenoxyethanol, Castor Oil/Ipdi Copolymer, Potassium Sorbate, Glyceryl Caprylate
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
- Humectant, drawing moisture into the skin
- Emollient, helping to soften skin
- Solvent, dispersing and stabilizing formulas
- Preservative booster, enhancing the antimicrobial activity of other preservatives
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 AcidKojic acid comes from fungi and can also be from fermented foods. It helps even out skin tone and reduce hyperpigmentation.
This ingredient works by blocking tyrosine, an enzyme that starts the process of skin darkening.
Kojic Acid is antifungal and often used to treat fungal infections. Additionally, it can help fight bacteria with its antimicrobrial properties. This can help treat acne as well.
A similar ingredient is arbutin.
Learn more about Kojic AcidPropanediol 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 PropanediolIngredient Ratings
Here's what our community thinks of the ingredients in these products.
When to use
Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum 18 ingredients
Naturium Multi-Bright Tranexamic Acid Treatment 5% 45 ingredients
Reviews
Here's what our community thinks
