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Product Comparison

Here's our complete breakdown comparing the ingredients, attributes, and more of Medik8 C-Tetra Lipid Vitamin C Serum versus Sunday Riley C.E.O. 15% Vitamin C Brightening Serum .

Last updated on July 18, 2023. Published on July 20, 2022

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 1 ingredients in common

Cool Features

They both contain Vitamin C and Vitamin E

Suited For

They're both likely to be good for anti aging, dry skin, brightening skin, dark spots and better texture

Free From

They both do not contain any harsh alcohols, parabens or sulfates

What's Inside

They both contain fragrances and oils

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.

Serum British Brand United Kingdom
Serum American Brand United States

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Serum

Serums are highly concentrated with ingredients to provide skin with benefits. They should be used after cleansing and before moisturizing.

Price

Shop

Buy C-Tetra Lipid Vitamin C Serum

Starts at $48.00
Shop

Buy C.E.O. 15% Vitamin C Brightening Serum

Starts at $85.00

Ingredient Info

Click any item below to learn more and view relevant ingredients.
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free

At a glance

Click on any of the items below to learn more

Notable Ingredients

Vitamin C
Vitamin E

Benefits

Hydrating
Redness Reducing
Skin Texture
Anti-Aging
Dark Spots
Brightening

Notable Ingredients

AHA
Vitamin C
Vitamin E

Benefits

Hydrating (2)
Good For Oily Skin
Redness Reducing
Skin Texture (2)
Reduces Large Pores
Anti-Aging (3)
Dark Spots (2)
Scar Healing (2)
Brightening (4)

Concerns

Irritating (2)
Rosacea
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Ingredients Compared

Ingredients that are highlighted in purple are present in both products.

Ingredients Side-by-side

Ingredients that are highlighted in purple are present in both products.

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Ingredients Explained

These ingredients are found in both products.

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

1
What it does: Emollient, Skin Conditioning

We don't have a description for Ppg-12/Smdi Copolymer.

Medik8 C-Tetra Lipid Vitamin C Serum contains this as ingredient number 7.

Sunday Riley C.E.O. 15% Vitamin C Brightening Serum contains this as ingredient number 7.

Here's what our community thinks of the ingredients in these two products.

18% are loved or liked
9% have mixed ratings
45% are disliked or very disliked
27% have no rating yet
41% are loved or liked
9% have mixed ratings
27% are disliked or very disliked
23% have no rating yet

Usage

Here's some more info on how this product is used by our community.

When to use

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Reviews

Here's what our community thinks

Medik8 C-Tetra Lipid Vitamin C Serum 11 ingredients

5.0 /5
from 1 rating

Sunday Riley C.E.O. 15% Vitamin C Brightening Serum 22 ingredients

5.0 /5
from 1 rating
reneelovesherskin's avatar

reneelovesherskin

1 year ago · Normal Skin
Review

my favorite serum
I wear this every morning, combined with the Sunday Riley C.E.O. face oil. It has a great citrus scent. I feel that it has...

my favorite serum
I wear this every morning, combined with the Sunday Riley C.E.O. face oil. It has a great citrus scent. I feel that it has contributed to lightening my dark spots and giving me a brighter complexion.

Alternatives

Our Dupe Finder has found 2 potential alternatives that have similar ingredients to Medik8 C-Tetra Lipid Vitamin C Serum.

See 2 alternatives

Our Dupe Finder has found 1 potential alternatives that have similar ingredients to Sunday Riley C.E.O. 15% Vitamin C Brightening Serum.

See 1 alternatives
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