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Skin Rocks Moisturiser Fragrance-Free Versus Medik8 C-Tetra Day Cream

General Moisturizer
Day Moisturizer
British Brand United Kingdom
British Brand United Kingdom

Updated on May 15, 2024

Overview

What they are

These products are both vegan and cruelty-free . They have a total of 5 ingredients in common

Cool Features

They both contain hyaluronic acid 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 or sulfates

What's Inside

They both contain oils

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

Concerns

Notable Ingredients

Benefits

Ingredients Side-by-side

found in both products
Moisturiser Fragrance-Free
Water Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

Propanediol Solvent

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

Polyglyceryl-3 Cetearyl Ether Olivate Emulsifying

We don't have a description for Polyglyceryl-3 Cetearyl Ether Olivate.

Unknown Full details ->
Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Canola Oil Emollient, Skin Conditioning
Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Canola Oil is Rapeseed oil with low amounts of erucic acid. It is an emollient and helps hydrate the skin. Emollients help hydrate and soften your skin by trapping moisture.

Disliked Full details ->
Cetearyl Alcohol Emollient, Emulsifying, Emulsion Stabilising
2 / 1 Fatty Alcohol IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon
Fatty AlcoholFatty Alcohol Icon 3 Concerns

Cetearyl alcohol is a mixture of two fatty alcohols: cetyl alcohol and stearyl alcohol. It is mainly used as an emulsifier. Emulsifiers help prevent the separation of oils and products. Due to its composition, it can also be used to thicken a product or help create foam.

2 Com. / 1 Irr.
Very Disliked Full details ->
Squalane Emollient, Skin Conditioning
1 / 0 Helps hydrate Dry Skin Icon
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon

Squalane is an emollient that helps the skin hold onto moisture. It's an oily liquid that occurs naturally in certain types of fish and plant oils.

1 Com. / 0 Irr.
Jojoba Oil/Macadamia Seed Oil Esters Skin Conditioning, Skin Protecting
Oil Icon
OilOil Icon

Jojoba Oil/Macadamia Seed Oil Esters is an oil.

Caprylic/Capric Triglyceride Masking, Skin Conditioning

Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.

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 ->
Octyldodecanol Emollient, Masking

Octyldodecanol is a fatty alcohol. It is primarily used to enhance the texture of products.

Disliked Full details ->
Fructooligosaccharides Humectant, Skin Conditioning

Fructooligosaccharides is an alternative sweetener. It is often derived from the blue agave plant.

Octyldodecyl PCA Emollient

We don't have a description for Octyldodecyl PCA.

Unknown Full details ->
Beta Vulgaris Root Extract Skin Conditioning

Beta Vulgaris Root Extract comes from the beet root plant. Beet Root has high Vitamin C content.

Terminalia Ferdinandiana Fruit Extract Antioxidant, Bleaching
Antioxidant Icon
AntioxidantAntioxidant Icon

Terminalia Ferdinandiana Fruit Extract is from the Kakadu plum. The Kakadu plum is native to northern Australia. The Kakadu plum holds the record for having the highest amount of natural vitamin C.

Podocarpus Elatus Fruit Extract Skin Conditioning

We don't have a description for Podocarpus Elatus Fruit Extract.

Unknown Full details ->
Pleiogynium Timoriense Fruit Extract Skin Conditioning

We don't have a description for Pleiogynium Timoriense Fruit Extract.

Unknown Full details ->
Phenoxyethanol Preservative
Preservative Icon
PreservativePreservative Icon

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.

Very Disliked Full details ->
Carbomer Emulsion Stabilising, Gel Forming
1 / 0

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

1 Com. / 0 Irr.
Disliked Full details ->
Squalene Emollient, Skin Conditioning
Helps hydrate Dry Skin IconNot safe for Fungal Acne Icon
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Squalene is naturally found in plants and animals, including our skin and sebum. It is a lipid our bodies naturally produce and makes up about 10-12% of the oil on our skin. Our skin produces squalene to keep itself naturally hydrated.

Hydroxyacetophenone Antioxidant
Antioxidant Icon
AntioxidantAntioxidant Icon

Hydroxyacetophenone is antioxidant and helps with skin conditioning.

7-Dehydrocholesterol Emulsion Stabilising, Skin Conditioning

We don't have a description for 7-Dehydrocholesterol.

Unknown Full details ->
Potassium Lactate Buffering, Humectant, Skin Conditioning

We don't have a description for Potassium Lactate.

Unknown Full details ->
Sodium Gluconate Skin Conditioning

This is the synthetic salt of gluconic acid, a form of PHA and mild exfoliant.

Unknown Full details ->
Dimethicone/Vinyl Dimethicone Crosspolymer Skin Conditioning

Dimethicone/Vinyl Dimethicone Crosspolymer is a silicone used to improve the texture of products and absorb oil. It does not get absorbed into the skin.

Very Disliked Full details ->
Ethylparaben Preservative
Preservative IconParaben IconNon-Reef-Safe Icon
PreservativePreservative Icon ParabenParaben Icon Non-Reef-SafeNon-Reef-Safe Icon

Ethylparaben is a preservative, is a paraben, and is not reef safe.

Very Disliked Full details ->
Methylparaben Preservative
0 / 0 Preservative IconParaben IconNon-Reef-Safe IconMay worsen Eczema Icon
PreservativePreservative Icon ParabenParaben Icon 2 Concerns

Methylparaben is a preservative and is a paraben. It is used to prevent the growth of fungus, mold, and other harmful bacteria. Parabens are chemicals used as preservatives in both cosmetics and food.

0 Com. / 0 Irr.
Very Disliked Full details ->
Sodium Hydroxide Buffering

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

Butylene Glycol Humectant, Masking, Skin Conditioning
1 / 0

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

1 Com. / 0 Irr.
Lactic Acid Buffering, Humectant, Skin Conditioning
AHA IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon
AHAAHA Icon 6 Benefits 3 Concerns

Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.

Phytosteryl Macadamiate Skin Conditioning
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Phytosteryl Macadamiate comes from the fatty acids of Macadamia Seed Oil and an ester of phytosterol. Phytosterols are the plant-versions of cholesterol.

Tocopherol Antioxidant, Masking, Skin Conditioning
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon
Vitamin EVitamin E Icon AntioxidantAntioxidant Icon 4 Benefits May cause irritationMay cause irritation Icon

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

0-3 Com. / 0-3 Irr.
Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
1,2-Hexanediol Skin Conditioning, Solvent

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

Ceramide NP Skin Conditioning
Ceramide IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconHelps with Anti-Aging Icon
CeramideCeramide Icon 4 Benefits

Ceramide NP is a type of ceramide.

Phytosterols Skin Conditioning

We don't have a description for Phytosterols.

C-Tetra Day Cream
Water Skin Conditioning, Solvent

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

Heptyl Undecylenate Emollient
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Heptyl Undecylenate isn't fungal acne safe.

Disliked Full details ->
Caprylic/Capric Triglyceride Masking, Skin Conditioning

Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.

Tetrahexyldecyl Ascorbate Antioxidant, Skin Conditioning
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Dark Spots IconHelps brighten skin Icon
Vitamin CVitamin C Icon AntioxidantAntioxidant Icon 5 Benefits

Tetrahexyldecyl Ascorbate is a form of Vitamin C.

Methylpropanediol Solvent

Methylpropanediol is a synthetic solvent and humectant.

Cetearyl Olivate
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Cetearyl Olivate is an emulsifier and texture enhancer. It is derived from the fatty acids of olive oil and Cetearyl alcohol, and is biodegradable.

Disliked Full details ->
Cetearyl Isononanoate Emollient, Skin Conditioning

We don't have a description for Cetearyl Isononanoate.

Unknown Full details ->
Distarch Phosphate Absorbent

We don't have a description for Distarch Phosphate.

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.
Sodium Polyacrylate Absorbent, Emollient, Emulsion Stabilising

Sodium Polyacrylate is the sodium salt of polyacrylic acid.

Sorbitan Olivate Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Sorbitan Olivate is created from the fatty acids in olive oil and sorbitol.

Very Disliked Full details ->
Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Caprylyl Glycol Emollient, Humectant, Skin Conditioning

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Disodium EDTA

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

Disliked Full details ->
Phenylpropanol Masking, Perfuming, Solvent
Fragrance Icon
FragranceFragrance Icon

Phenylpropanol is a fragrance.

Disliked Full details ->
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 ->
Citrus Limon Peel Oil Masking, Perfuming, Skin Conditioning
Fragrance IconOil IconEU Allergen Icon
FragranceFragrance Icon OilOil Icon EU AllergenEU Allergen Icon

Citrus Limon Peel Oil is created from the peels of the lemon. It is used to add a lemon-scent to products. Lemon peel oil also has antibacterial, antifungal, and antioxidant properties. However, it may also cause phototoxicity and sensitize skin.

Very Disliked Full details ->
Citrus Aurantium Bergamia Fruit Oil Masking, Perfuming
Fragrance IconOil Icon
FragranceFragrance Icon OilOil Icon

Citrus Aurantium Bergamia Fruit Oil is the oil from the bergamot orange. This bergamot is native to Italy.

Very Disliked Full details ->
Pelargonium Graveolens Flower Oil Masking
Oil IconEU Allergen Icon
OilOil Icon EU AllergenEU Allergen Icon

Pelargonium Graveolens Flower Oil is the pressed oil of the Rose Geranium plant. It is volatile, meaning it evaporates off the skin.

Very Disliked Full details ->
Sodium Hydroxide Buffering

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

Limonene Perfuming, Solvent
Fragrance Icon
FragranceFragrance Icon

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

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

Citronellol is used to add fragrance/parfum to a product. It is often derived from plants such as roses. In fact, it can be found in many essential oils including geranium, lavender, neroli, and more. The scent of Citronellol is often described as "fresh, grassy, and citrus-like".

Very Disliked 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 ->
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 ->

Ingredients Explained

These ingredients are found in both products.

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

Skin Conditioning, Solvent
Loved

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
Humectant, Skin Conditioning, Skin Protecting
Loved

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin
Masking, Skin Conditioning
Mixed

Caprylic/Capric Triglyceride is an emollient, solvent, and texture enhancer. It is considered a skin-softener by helping the skin prevent moisture loss.

Within a product, Caprylic Triglyceride can thicken the product and make spreadability easier by dissolving clumping compounds. An added benefit of Caprylic Triglyceride is its antioxidant properties.

Caprylic Triglyceride is made by combining glycerin with coconut oil, forming a clear liquid. Caprylic Triglyceride has not been found to be toxic for human use in concentrations under 50%.

While there is an assumption Caprylic Triglyceride can clog pores due to it being derived from coconut oil, there is no research supporting this.

Learn more about Caprylic/Capric Triglyceride
Buffering
Mixed

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.

Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.

"Alkaline" refers to a high pH level. A low pH level would be considered acidic.

Learn more about Sodium Hydroxide
Humectant, Skin Conditioning
Loved

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate

Ingredient Ratings

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

Moisturiser Fragrance-Free
14
6
9
7
liked
mixed
disliked
not rated
C-Tetra Day Cream
6
4
12
4
liked
mixed
disliked
not rated

When to use