Versus

Cos De BAHA Azelaic Acid 10% Serum with Niacinamide Versus Apostrophe Azelaic Acid 15% Prescription

Serum
Prescription
Korean Brand South Korea
American Brand United States

Updated on May 27, 2025

Overview

What they are

These products are both reef safe . They have a total of 1 ingredients in common

Suited For

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

Click any item below to learn more and see relevant ingredients

What's inside

What's inside

At a glance

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Key Ingredients

Benefits

Concerns

Ingredients Explained

These ingredients are found in both products.

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

Buffering, Masking

Azelaic acid is a multitasker ingredient that helps treat acne, pigmentation, and irritation. It is a great option for sensitive skin.

What makes azelaic special?

The best thing about azelaic acid is it's gentleness. It's generally well-tolerated and safe to use alongside other actives like niacinamide or salicylic acid.

Unlike AHAs, azelaic acid will not make you photosensitive/sun sensitive.

You can find this ingredient naturally occurring in grains like wheat, rye, and barley. In cosmetics, azelaic acid is typically lab-made, which is more stable and effective.

Learn more about Azelaic Acid

When to use

762 Routines
40% use in am
60% use in pm
84% use every day
When to use See routines that use it ->
49 Routines
31% use in am
69% use in pm
86% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

4.13
Overall rating
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1
What people say
Great Value 77% No Scent 54% Works Well 54%
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