Versus

Paula's Choice 10% Azelaic Acid Booster Versus COSRX BHA Blackhead Power Liquid

Facial Treatment
Exfoliator
American Brand
Korean Brand

Updated on July 18, 2023

Overview

What they are

These products are both cruelty-free and reef safe . They have a total of 2 ingredients in common

Cool Features

They both contain BHA

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, 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

Key Ingredients

Benefits

Concerns

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.

Humectant, Masking, Skin Conditioning

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Learn more about Butylene Glycol
Emulsifying, Emulsion Stabilising, Gel Forming

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.

Learn more about Xanthan Gum

When to use

811 Routines
43% use in am
57% use in pm
81% use every day
When to use See routines that use it ->
2,079 Routines
25% use in am
75% use in pm
57% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

3.15
Overall rating
5
4
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1
What people say
Expensive 38% Broke Me Out 38% Doesn't Work 38%
3.75
Overall rating
5
4
3
2
1
What people say
Absorbs Well 50% Works Well 43% Great Value 43%