Updated on January 17, 2024
Overview
Cool Features
They both contain AHA
Suited For
They're both likely to be good for fighting acne, anti aging, brightening skin, scar healing, dark spots and better texture
Free From
They both do not contain any oils, parabens or silicones
What's Inside
They both contain fragrances
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
Louis Widmer Pigmanorm® Creme 27 ingredients
Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum 18 ingredients
At a glance
Click on any of the items below to learn more
Louis Widmer Pigmanorm® Creme 27 ingredients
Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum 18 ingredients
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Concerns
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Ingredients Side-by-side
May worsen Rosacea
Hydroquinone is used to treat hyperpigmentation, acne scars, and age spots.
3 Benefits 2 Concerns
Tretinoin is the best retinoid due to its proven skin benefits. It only available with a prescription in many countries.
This medical ingredient is used to treat itching, redness, and inflammation.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.
Preservative
Propyl Benzoate is a fragrance and is a preservative.
This BHA stands for butylated hydroxyanisole. If you are looking for the beta-hydroxy acid, aka as Salicylic Acid, click here.
BHT is a synthetic antioxidant. As an antioxidant, it helps your body fight off free-radicals. Free-radicals are molecules that may damage your skin cells.
Glyceryl Stearate is a mix of glycerin and stearic acid.
2 Concerns
Paraffin is a solid created from petroleum. The term 'paraffin' can also refer to either petroleum jelly or mineral oil.
Isopropyl Myristate is an emollient, thickening agent, and texture enhancer. It is created from isopropyl alcohol and myristic acid.
2 Concerns
Ethylhexyl Methoxycinnamate is an organic compound that provides UVB protection. It often goes by the more common name of octinoxate. It is created from methoxycinnamic acid and 2-ethylhexanol.
2 Concerns
Also known as Avobenzone, this ingredient is a chemical sunscreen filter that provides protection in the UV-A range.
Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.
5 Concerns
Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.
Camphor is a waxy solid with a strong scent. It is made using turpentine oil.
Non-Reef-Safe
Titanium dioxide is known for its UVA and UVB protection properties. It is non-comedogenic and non-irritating. Titanium Dioxide is a physical sunscreen. Physical sunscreens reflect light and prevent it from reaching your skin.
Sorbitol is a sugar alcohol. It is a hydrating and moisturizing agent created from the reduction process of glucose.
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.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Antioxidant 6 Benefits
Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.
6 Benefits 3 Concerns
Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
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.
Hydroquinone 5%, Tretinoin 0.03%, Dexamethasone 0.03%, Propylene Glycol 0.3%, Cetyl Alcohol, Methyl 2,4-Dihydroxybenzoate, Propyl Benzoate, BHA, BHT, Glyceryl Stearate, Sodium Sulfate, Paraffin, Isopropyl Myristate, Valine, Ethylhexyl Methoxycinnamate, Butyl Methoxydibenzoylmethane, Panthenol, Alcohol Denat., Camphor, Titanium Dioxide, Sorbitol 70%, Tocopheryl Acetate, Citric Acid, Ascorbic Acid, Lactic Acid, Disodium EDTA, Water
Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae.
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.
2 Benefits
Arbutin is derived from the bearberry plant. It helps even out skin tone and reduce hyperpigmentation.
6 Benefits
Niacinamide has emerged as an all-star ingredient due to its many benefits.
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.
May worsen Rosacea
Hydroquinone is used to treat hyperpigmentation, acne scars, and age spots.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.
Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.
Preservative 5 Benefits 4 Concerns
Salicylic Acid (also known as beta hydroxy acid or BHA) is one of the most well-known ingredients for treating skin that struggles with blackheads and acne. It helps to exfoliate both the skin's surface and pores, and also acts as an anti-inflammatory agent.
2 Benefits
Kojic acid comes from fungi and can also be from fermented foods. It helps even out skin tone and reduce hyperpigmentation.
6 Benefits 3 Concerns
Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
Rosemary extract has antioxidant, anti-inflammatory, anti-bacterial, and astringent properties.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
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
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Hydroquinone is used to treat hyperpigmentation, acne scars, and age spots.
It works by decreasing the melanocytes in your skin. Melanocytes are cells that create melanin (the color pigment in skin).
Be sure to use this ingredient as prescribed by your doctor. Wearing sunscreen is also a must (you should be wearing sunscreen anyway!).
Most hydroquinone prescriptions are not to be used for longer than 3 months. Long term usage can cause ochronosis, or a condition in which the skin darkens more than before.
This ingredient is banned in the EU for being skin sensitizer. In the US, this ingredient is not allowed for over-the-counter sale.
However, it is still possible to get hydroquinone in the EU, US, Canada, Australia, and Japan from a doctor's prescription.
There is no known research backing this ingredient to be carcinogenic in humans.
Check out the European alternative to hydroquinone here.
Gentle reminder that all skin tones are beautiful!
Learn more about HydroquinoneCitric 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 AcidLactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.
Benefits of Lactic Acid are that it can help to reduce large pores and reduce the effects of aging. Some potential downsides are that it can be bad for dry skin, cause irritation, worsen eczema, and worsen rosacea.
Not only does it help exfoliate the skin, it helps strengthen the skin's barrier. When applied, lactic acid helps the skin create ceramides.
Lactic acid is an over-the-counter chemical exfoliant that comes from the fermentation of lactose — a carbohydrate found in milk.
Legend has it that Cleopatra used to bathe in sour milk to help reduce wrinkles.
Read more about some other popular AHA's here:
Learn more about Lactic AcidDisodium EDTA plays a role in making products more stable by aiding other preservatives.
It is a chelating agent, meaning it neutralizes metal ions that may be found in a product.
Disodium EDTA is a salt of edetic acid and is found to be safe in cosmetic ingredients.
Learn more about Disodium EDTAIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
Louis Widmer Pigmanorm® Creme 27 ingredients
Cos De BAHA 2% Hydroquinone + Arbutin + Niacinamide 4% Serum 18 ingredients
Reviews
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