COSRX The Vitamin C 23 Serum Versus The Ordinary Alpha Arbutin 2% + HA
Updated on March 07, 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 dry skin, sensitive skin, scar healing and dark spots
Free From
They both do not contain any common allergens, fragrances, parabens 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
COSRX The Vitamin C 23 Serum 34 ingredients
The Ordinary Alpha Arbutin 2% + HA 15 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
COSRX The Vitamin C 23 Serum 34 ingredients
The Ordinary Alpha Arbutin 2% + HA 15 ingredients
Key Ingredients
Benefits
Concerns
Benefits
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.
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.
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 WaterPropanediol is an all-star ingredient. It softens, hydrates, and smooths the skin.Â
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
COSRX The Vitamin C 23 Serum 34 ingredients
The Ordinary Alpha Arbutin 2% + HA 15 ingredients

Reviews
Here's what our community thinks
COSRX The Vitamin C 23 Serum 34 ingredients
Cured my acne scars
I had mix feelings when I first bought this as I read that the smell can be off-putting. But I am glad I bought it. My acne scars faded a lot more after 3 days of using it and saw great results in one week. It also didn't break me out despite containing alcohols and oils. It does sting a little on the first application but doesn't irritate my skin. The smell can be quite strong Show more