Versus

Sunday Riley C.E.O. 15% Vitamin C Brightening Serum Versus The Ordinary Ethylated Ascorbic Acid 15% Solution

Serum
Serum
American Brand United States
Canadian Brand Canada

Updated on May 29, 2025

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 0 ingredients in common

Cool Features

They both contain Vitamin C

Suited For

They're both likely to be good for dry skin, reducing pores and better texture

Free From

They both do not contain any harsh alcohols, 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

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What's inside

What's inside

At a glance

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Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
C.E.O. 15% Vitamin C Brightening Serum

When to use

297 Routines
90% use in am
11% use in pm
92% use every day
When to use See routines that use it ->
95 Routines
69% use in am
31% use in pm
93% use every day
When to use See routines that use it ->

Reviews

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What people say
Great Value 100% Heavy 100% Irritating 100%