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Cos De BAHA Azelaic Acid 10% Serum with Niacinamide Versus Cos De BAHA AC Azelaic Acid Hinokitiol Clear Skin

Serum
Serum
Korean Brand South Korea
Korean Brand South Korea

Updated on October 10, 2024

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 6 ingredients in common

Cool Features

They both contain hyaluronic acid and niacinamide

Suited For

They're both likely to be good for fighting acne, 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

Click any item below to learn more and see relevant ingredients

Free from

Safety & Ethics

Korean Brand

Brand country of origin

Free from

Safety & Ethics

Korean Brand

Brand country of origin

At a glance

Click on any of the items below to learn more

Ingredients, at a glance

What's in this product, and how it might affect your skin.

Notable Ingredients

Benefits

Concerns

Ingredients, at a glance

What's in this product, and how it might affect your skin.

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Azelaic Acid 10% Serum with Niacinamide
Aloe Barbadensis Leaf Extract Emollient, Humectant, Skin Conditioning
Helps reduce Skin Redness IconHelps reduce irritation Icon

Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae.

Liked by users
2 Benefits
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Propylene Glycol Humectant, Skin Conditioning, Solvent
0 / 0 Helps hydrate Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.

0 Com. / 0 Irr.
Very disliked
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon2 Concerns
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Azelaic Acid 10% Buffering, Masking
Helps reduce Skin Redness IconHelps reduce irritation IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne Icon

Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.

Loved by users
7 Benefits
Learn more
Polysorbate 20 Emulsifying
0 / 0 Not safe for Fungal Acne Icon

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

0 Com. / 0 Irr.
Very disliked
Not safe for Fungal AcneNot safe for Fungal Acne Icon
Learn more
1,2-Hexanediol Skin Conditioning, Solvent

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.

Mixed reviews
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Propanediol Solvent

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.

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Panthenol Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon

Panthenol is a common ingredient that helps hydrate and soothe the skin. It is found naturally in our skin and hair.

0 Com. / 0 Irr.
Loved by users
3 Benefits
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Niacinamide Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin Icon

Niacinamide has emerged as an all-star ingredient due to its many benefits.

Loved by users
NiacinamideNiacinamide Icon9 Benefits
Learn more
Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Loved by users
Hyaluronic AcidHyaluronic Acid Icon
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Camellia Sinensis Leaf Extract Antimicrobial, Antioxidant, Astringent
Antioxidant IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging Icon

Camellia Sinensis Leaf Extract is derived from the leaves of the tea plant. Black tea, green tea, and oolong tea are all harvested from this plant.

Loved by users
AntioxidantAntioxidant Icon4 Benefits
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Momordica Charantia Fruit Extract Skin Conditioning

We don't have a description for Momordica Charantia Fruit Extract yet.

Not enough ratings
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Sambucus Nigra Flower Extract Refreshing, Skin Conditioning, Soothing

We don't have a description for Sambucus Nigra Flower Extract yet.

Not enough ratings
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Leontopodium Alpinum Extract Skin Conditioning

We don't have a description for Leontopodium Alpinum Extract yet.

Not enough ratings
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AC Azelaic Acid Hinokitiol Clear Skin
Propylene Glycol Humectant, Skin Conditioning, Solvent
0 / 0 Helps hydrate Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.

0 Com. / 0 Irr.
Very disliked
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon2 Concerns
Learn more
Water Skin Conditioning, Solvent

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.

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Niacinamide Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin Icon

Niacinamide has emerged as an all-star ingredient due to its many benefits.

Loved by users
NiacinamideNiacinamide Icon9 Benefits
Learn more
Azelaic Acid Buffering, Masking
Helps reduce Skin Redness IconHelps reduce irritation IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne Icon

Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.

Loved by users
7 Benefits
Learn more
Polysorbate 20 Emulsifying
0 / 0 Not safe for Fungal Acne Icon

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

0 Com. / 0 Irr.
Very disliked
Not safe for Fungal AcneNot safe for Fungal Acne Icon
Learn more
1,2-Hexanediol Skin Conditioning, Solvent

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.

Mixed reviews
Learn more
Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Loved by users
Hyaluronic AcidHyaluronic Acid Icon
Learn more
Salicylic Acid Masking, Preservative, Skin Conditioning
BHA IconPreservative IconGood for Oily Skin IconGood for Minimizing Pores IconHelps fight Acne IconHelps brighten skin IconCan worsen Dry Skin IconMay worsen Eczema IconMay worsen Rosacea Icon

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.

Loved by users
BHABHA IconPreservativePreservative Icon4 Benefits3 Concerns
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Hinokitiol

We don't have a description for Hinokitiol yet.

Not enough ratings
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Melaleuca Alternifolia Leaf Oil Antioxidant, Perfuming
Antioxidant IconFragrance IconOil IconGood for Oily Skin IconMay worsen Eczema Icon

This tea tree oil comes from the leaves of the Tea Tree plant. Tea tree oil has antioxidant, anti-inflammatory, and antimicrobial properties.

Mixed reviews
AntioxidantAntioxidant IconFragranceFragrance IconOilOil IconGood for Oily SkinGood for Oily Skin IconMay worsen EczemaMay worsen Eczema Icon
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Retinol Skin Conditioning
Retinoid IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps fight Acne IconHelps brighten skin IconMay worsen Rosacea Icon

Retinol is a gold-standard ingredient for anti-aging. It is a form of Vitamin A and belongs to the class of retinoids that also includes tretinoin.

Loved by users
RetinoidRetinoid Icon8 BenefitsMay worsen RosaceaMay worsen Rosacea Icon
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Disodium EDTA

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

Disliked by users
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Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Humectant, Skin Conditioning, Solvent
Very Disliked

Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.

Another role of this ingredient is preventing a product from melting or freezing. Propylene glycol also adds antimicrobrial properties to a product, elongating product lifespan.

This ingredient is considered an organic alcohol and commonly added into both cosmetics and foods.

Those with sensitive skin or conditions may develop a rash when using this ingredient.

Learn more about Propylene Glycol
Buffering, Masking
Loved

Azelaic acid is a naturally occurring acid derived from grains. This ingredient is effective in treating acne, rosacea, and other skin conditions.

It has been shown to reduce the growth of acne-causing bacteria and helps reduce inflammation. On top of that, it helps reduce the production of sebum and unclog pores.

Azelaic Acid also has antioxidant properties. Antioxidants protect our skin cells from free-radical damage.

One of the main benefits of azelaic acid is that it is gentle and well-tolerated by most people.

Fun fact: The lab-created form of azelaic acid is typically used within cosmetic products for its shelf-stability.

Learn more about Azelaic Acid
Emulsifying
Very Disliked

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

As a surfactant, it helps collect dirt and oils for washing. Emulsifiers prevent oils and water from separating.

Polysorbate 20 also adds scent to a product. Since it is made using sorbitol, it has a sweet scent. Sorbitol can also be found in fruits such as apples and peaches.

The lauric acid used to create Polysorbate 20 is often derived from coconuts.

Polysorbate 20 may not be fungal acne safe.

Learn more about Polysorbate 20
Skin Conditioning, Solvent
Mixed

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.

This ingredient 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.

Learn more about 1,2-Hexanediol
Smoothing
Loved

Niacinamide has emerged as an all-star ingredient due to its many benefits.

It is known to treat acne by reducing inflammation. It also helps fade dark-spots and strengthen the skin by promoting the growth of the ceramide barrier.

Other benefits include smoothing wrinkles and minimizing redness.

The cherry on top? Niacinamide can also help build keratin, a protein that keeps skin firm.

When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.

Niacinamide can be mixed with other ingredients to boost benefits. For instance, it has shown to be effective when used with copper, folic acid, and zinc to treat acne.

Learn more about Niacinamide
Humectant, Skin Conditioning
Loved

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate

When to use

514 Routines
42% use in am
58% use in pm
85% use every day
When to use See routines that use it ->
9 Routines
22% use in am
67% use in pm
89% use every day

Reviews

Here's what our community thinks

Cos De BAHA Azelaic Acid 10% Serum with Niacinamide 13 ingredients

4.0 /5
from 6 ratings
Great Value (3) No Scent (2) Works Well (2)
BubbIes's avatar

BubbIes

9 months ago · Combination Skin
Review

I was so excited to try a product with what seemed like no comedogenic ingredients, but I suspect all the extracts broke me out pretty badly. I’m...

I was so excited to try a product with what seemed like no comedogenic ingredients, but I suspect all the extracts broke me out pretty badly. I’m talking deep, painful cysts. I think I saw a nice effect on skin brightness, but that’s the only upside unfortunately. This also left a chalky white residue at times.

Clover's avatar

Clover

1 year ago · Dry Skin
Review

I’m on my third bottle
Want a simple, hydrating, scentless, and affordable azelaic acid serum? Look no further! Azelaic acid is well tolerated by...

I’m on my third bottle
Want a simple, hydrating, scentless, and affordable azelaic acid serum? Look no further! Azelaic acid is well tolerated by many and for me I’ve noticed great improvements regarding redness. There was a short period of time when I cut this out of my routine, and that’s when I noticed how much it had been doing to reduce redness in my skin. This serum also contains aloe extract, panthenol, and niacinamide so it feels very soothing. Keep in mind however that there are a few different plant extracts in this as well, so if you are super extra sensitive you might react poorly to them. But personally I’ve never found them to be an issue.

Cos De BAHA AC Azelaic Acid Hinokitiol Clear Skin 12 ingredients

5.0 /5
from 1 rating
Absorbs Well (1) Great Value (1) Heavy (1)
humayrarahman's avatar

Humayra Rahman

22 days ago · Combination Skin
Review

This serum is really good. But does anyone know what percentage of salicylic acid it contains?Because I really need to know.