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Medik8 C-Tetra Lipid Vitamin C Serum Versus The Ordinary Vitamin C Suspension 30% in Silicone

Serum
Serum
British Brand United Kingdom
Canadian Brand Canada

Overview

What they are

These products are both vegan, 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 anti aging, 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 silicones

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

At a glance

Click on any of the items below to learn more

Notable Ingredients

Benefits

Notable Ingredients

Benefits

Ingredients Side-by-side

found in both products
C-Tetra Lipid Vitamin C Serum
Simmondsia Chinensis Seed Oil Emollient, Skin Conditioning
0-2 / 0 Oil IconHelps hydrate Dry Skin IconNot safe for Fungal Acne Icon
OilOil Icon Helps hydrate Dry SkinHelps hydrate Dry Skin Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

This ingredient is the fixed oil extracted from seeds of the desert shrub Jojoba. It is more commonly known as jojoba oil. The seed oil is liquid wax ester from the plant. It is non-comedogenic.

0-2 Com. / 0 Irr.
Cyclopentasiloxane Emollient, Skin Conditioning, Solvent
Silicon Icon
SiliconSilicon Icon

Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.

Disliked Full details ->
Cyclohexasiloxane Emollient, Skin Conditioning, Solvent
Silicon Icon
SiliconSilicon Icon

Cyclohexasiloxane is a type of silicone more commonly known as D6. It is an emollient and solvent.

Disliked Full details ->
Ascorbyl Tetraisopalmitate Antioxidant, Emollient, Skin Conditioning
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Dark Spots IconNot safe for Fungal Acne Icon
Vitamin CVitamin C Icon AntioxidantAntioxidant Icon 4 Benefits Not safe for Fungal AcneNot safe for Fungal Acne Icon

Ascorbyl Tetraisopalmitate is a version of ascorbic acid, or pure Vitamin C.

Citrus Grandis Peel Oil Masking, Perfuming, Skin Conditioning
Fragrance IconOil Icon
FragranceFragrance Icon OilOil Icon

Citrus Grandis Peel Oil is an essential oil that is derived from the peel of a Grapefruit. It is composed largely of limonene, which is a fragrance that can cause irritation for sensitive skin.

Unknown Full details ->
Tocopheryl Acetate Antioxidant, Skin Conditioning
0 / 0 Vitamin E IconAntioxidant IconHelps brighten skin Icon
Vitamin EVitamin E Icon AntioxidantAntioxidant Icon Helps brighten skinHelps brighten skin Icon

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

0 Com. / 0 Irr.
Ppg-12/Smdi Copolymer Emollient, Skin Conditioning

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

Unknown Full details ->
Limonene Perfuming, Solvent
Fragrance Icon
FragranceFragrance Icon

Limonene is a fragrance that adds scent and taste to a formulation.

Very Disliked Full details ->
Citral Perfuming
Fragrance IconEU Allergen Icon
FragranceFragrance Icon EU AllergenEU Allergen Icon

Citral is a fragrance and used to add a lemon-like scent to products. It is both naturally found in plants and created synthetically. In plants, it is commonly occurring in lemon myrtle, lemongrass, lemon tea-tree, lemon verbena, and other citruses.

Unknown Full details ->
Linalool Perfuming
Fragrance IconMay cause irritation IconEU Allergen Icon
FragranceFragrance Icon 2 Concerns

Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.

Very Disliked Full details ->
Geraniol Perfuming, Tonic
Fragrance IconEU Allergen Icon
FragranceFragrance Icon EU AllergenEU Allergen Icon

Geraniol is used to add fragrance/parfum to a product. It is the main component of citronellol. It is a monoterpenoid and an alcohol.

Very Disliked Full details ->
Vitamin C Suspension 30% in Silicone
Dimethicone Emollient, Skin Conditioning, Skin Protecting
1 / 0 Silicon Icon
SiliconSilicon Icon

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

1 Com. / 0 Irr.
Very Disliked Full details ->
Ascorbic Acid Antioxidant, Buffering, Masking
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin Icon
Vitamin CVitamin C Icon AntioxidantAntioxidant Icon 6 Benefits

Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.

Polysilicone-11

We don't have a description for Polysilicone-11.

Disliked Full details ->
Peg-10 Dimethicone Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Peg-10 Dimethicone is silicone with conditioner and emulsifier properties. It mostly acts as an emollient in skincare and and humectant in haircare.

Very Disliked Full details ->

Ingredient Ratings

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

C-Tetra Lipid Vitamin C Serum
2
1
5
3
liked
mixed
disliked
not rated
Vitamin C Suspension 30% in Silicone
1
3
liked
mixed
disliked
not rated

When to use

58 Routines
90% use in am
10% use in pm
97% use every day
When to use See routines that use it ->
150 Routines
55% use in am
45% use in pm
85% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

Medik8 C-Tetra Lipid Vitamin C Serum 11 ingredients

5.0 /5
from 1 rating

The Ordinary Vitamin C Suspension 30% in Silicone 4 ingredients

2.3 /5
from 4 ratings
Drying (2) Pilling (2) Irritating (1)
laila.21's avatar

Laila

7 months ago · Combination Skin
Review

The way this mf stings is absolutely insane.
Pilling, drying, irritating, doesn’t work, and literally every bad thing you can say about a product....

The way this mf stings is absolutely insane.
Pilling, drying, irritating, doesn’t work, and literally every bad thing you can say about a product.
0/10

JustDaniel_50's avatar

JustDaniel_50

4 months ago · Combination Skin
Review

Honestly want to give it more of a 3.5, but rounded up to be generous. Have seen good results using it so far, mainly with skin brightening, but...

Honestly want to give it more of a 3.5, but rounded up to be generous. Have seen good results using it so far, mainly with skin brightening, but dislike the fact that it's basically up to a coin toss whether or not it decides to properly absorb in the skin or pills/dries/sits on top of the skin.