Cos De BAHA Azelaic Acid 10% Serum with Niacinamide Versus The Ordinary Mandelic Acid 10% + HA
Updated on October 10, 2024
Overview
What they are
These products are both cruelty-free and reef safe serums. They have a total of 3 ingredients in common
Cool Features
They both contain hyaluronic acid
Suited For
They're both likely to be good for anti aging, dry skin, brightening skin, oily skin, reducing pores, scar healing and dark spots
Free From
They both do not contain any harsh alcohols, common allergens, fragrances, oils, 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 Azelaic Acid 10% Serum with Niacinamide 13 ingredients
The Ordinary Mandelic Acid 10% + HA 13 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
Cos De BAHA Azelaic Acid 10% Serum with Niacinamide 13 ingredients
The Ordinary Mandelic Acid 10% + HA 13 ingredients
Key Ingredients
Benefits
Concerns
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 201,2-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
Propanediol 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 Azelaic Acid 10% Serum with Niacinamide 13 ingredients
The Ordinary Mandelic Acid 10% + HA 13 ingredients


Reviews
Here's what our community thinks
Cos De BAHA Azelaic Acid 10% Serum with Niacinamide 13 ingredients
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.
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 Show more
The Ordinary Mandelic Acid 10% + HA 13 ingredients
My beloved soothing exfoliant for closed comedones. The first product that finally unclogged some of my pores. I recommend using it every second day only at night! Has no scent, doesn’t make my skin look greasy, but it hydrates. It’s a watery texture and not even expensive ! Can only recommend!!! This one is a good choice if your skin is sensitive to BHA or AHA like salycilic acid or so. It Show more
Gentle and didn't break me out. I love it