Versus

The Ordinary Alpha Arbutin 2% + HA Versus Paula's Choice 10% Azelaic Acid Booster

Serum
Facial Treatment
Canadian Brand Canada
American Brand United States

Updated on March 07, 2025

Overview

What they are

These products are both cruelty-free and reef safe . They have a total of 3 ingredients in common

Suited For

They're both likely to be good for scar healing and dark spots

Free From

They both do not contain any harsh alcohols, common allergens, fragrances, oils, 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

Click any item below to learn more and see relevant 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

Benefits

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products

Ingredients Explained

These ingredients are found in both products.

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

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.

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 Water
Solvent

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 Propanediol
Preservative

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

When to use

17 Routines
59% use in am
41% use in pm
82% use every day
728 Routines
44% use in am
56% use in pm
80% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

The Ordinary Alpha Arbutin 2% + HA 15 ingredients

Alpha Arbutin 2% + HA hasn't been rated yet.
Rate it now

Paula's Choice 10% Azelaic Acid Booster 21 ingredients

3.3 /5
from 12 ratings
Expensive (3) Broke Me Out (3) Doesn't Work (2)
thesunrising's avatar

Mia

1 year ago
Review

Did nothing for my fungal acne. Actually did nothing at all.
(Compared to my cheap no-name Russian brand Azelaic acid cream which worked wonders).

#doesn't work
BubbIes's avatar

BubbIes

1 year ago
Review

Paula's Choice at it again with cetearyl alcohol high up on the ingredient list. I'm disappointed by their ingredients fairly consistently now.

#broke me out
#irritating