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NYX Cosmetics Can't Stop Won't Stop Full Coverage Foundation - Nude Versus Smashbox Studio Skin 24 Hour Hydra Foundation - 3.35

Foundation
Foundation
American Brand United States
American Brand United States

Updated on October 17, 2023

Overview

What they are

These products are both vegan and cruelty-free foundations. They have a total of 11 ingredients in common

Cool Features

They both contain exfoliants and Vitamin E

Suited For

They're both likely to be good for dry skin and brightening skin

Free From

They both do not contain any harsh alcohols, common allergens, fragrances, oils or parabens

What's Inside

They both contain silicones and 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

At a glance

Click on any of the items below to learn more

Notable Ingredients

Benefits

Concerns

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Can't Stop Won't Stop Full Coverage Foundation
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.

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 ->
Isododecane Emollient, Solvent

Isododecane is a fragrance, emollient, and solvent.

Disliked Full details ->
Nylon-12
Non-Reef-Safe Icon
Non-Reef-SafeNon-Reef-Safe Icon

Nylon-12 is a polymer. It is derived from 12-aminododecanoic acid, an omega-amino fatty acid

Very Disliked Full details ->
Acrylates/Polytrimethylsiloxymethacrylate Copolymer Skin Conditioning

We don't have a description for Acrylates/Polytrimethylsiloxymethacrylate Copolymer.

Unknown Full details ->
Silica Abrasive, Absorbent
Exfoliant IconMay worsen Eczema IconMay worsen Rosacea Icon
ExfoliantExfoliant Icon 2 Concerns

Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.

Disliked Full details ->
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.
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 ->
Isohexadecane Emollient, Skin Conditioning, Solvent

Isohexadecane is added to enhance texture, emulsify, and to help cleanse. It is an isoparrafin. It is a component of petrolatum.

Isononyl Isononanoate Emollient, Skin Conditioning

Isononyl Isononanoate is a synthetic skin-conditioner and texture enhancer. It is created from nonanoic acid, a fatty acid found in cocoa and lavender oil.

Pentylene Glycol Skin Conditioning, Solvent

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

Synthetic Fluorphlogopite

Synthetic Fluorphlogopite is the synthethic version of mica. It consists of fluorine, aluminum and silicate.

Disliked Full details ->
Bis-Peg/Ppg-14/14 Dimethicone Emollient, Emulsifying, Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Bis-Peg/Ppg-14/14 Dimethicone is a type of silicone.

Unknown Full details ->
Magnesium Sulfate
Sulfate Icon
SulfateSulfate Icon

Magnesium Sulfate is a salt. It can be naturally found in sea water or mineral deposits.

Very Disliked 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 ->
Caprylyl Glycol Emollient, Humectant, Skin Conditioning

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

Acrylonitrile/Methyl Methacrylate/Vinylidene Chloride Copolymer

We don't have a description for Acrylonitrile/Methyl Methacrylate/Vinylidene Chloride Copolymer.

Unknown Full details ->
Disodium Stearoyl Glutamate Cleansing, Skin Conditioning

We don't have a description for Disodium Stearoyl Glutamate.

Unknown Full details ->
Disteardimonium Hectorite Stabilising

Disteardimonium Hectorite comes from the clay mineral named hectorite. It is used to add thickness to a product.

Disliked Full details ->
Calcium Gluconate Humectant, Skin Conditioning

We don't have a description for Calcium Gluconate.

Unknown Full details ->
Perlite Absorbent

We don't have a description for Perlite.

Glycine Buffering, Skin Conditioning

Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.

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.
Aluminum Hydroxide Emollient, Humectant, Skin Protecting

Aluminum Hydroxide is a form of aluminum. It can be naturally found in nature as the mineral gibbsite. In cosmetics, Aluminum Hydroxide is used as a colorant, pH adjuster, and absorbent.

Disliked Full details ->
Isobutane

We don't have a description for Isobutane.

Unknown Full details ->
CI 77891 Cosmetic Colorant

Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.

Disliked Full details ->
CI 77492 Cosmetic Colorant

Ci 77492 is also hydrated iron III oxide. It's sole purpose is to give a yellow hue to products.

Studio Skin 24 Hour Hydra Foundation
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.

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 ->
Trimethylsiloxysilicate Emollient, Skin Conditioning

This silicone is an emollient. Emollients create a thin film on the skin to prevent moisture from escaping.

Disliked Full details ->
Titanium Dioxide Cosmetic Colorant, UV Absorber, UV Filter
0 / 0 Mineral UV Filter IconNon-Reef-Safe Icon
Mineral UV FilterMineral UV Filter Icon Non-Reef-SafeNon-Reef-Safe Icon

Titanium dioxide is known for its UVA and UVB protection properties. It is non-comedogenic and non-irritating. Titanium Dioxide is a physical sunscreen. Physical sunscreens reflect light and prevent it from reaching your skin.

0 Com. / 0 Irr.
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.
Trimethyl Pentaphenyl Trisiloxane Emollient, Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Trimethyl Pentaphenyl Trisiloxane is a type of silicone.

Unknown Full details ->
Silica Abrasive, Absorbent
Exfoliant IconMay worsen Eczema IconMay worsen Rosacea Icon
ExfoliantExfoliant Icon 2 Concerns

Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.

Disliked Full details ->
Phenyl Trimethicone Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Phenyl Trimethicone is a silicon-based polymer. It is derived from silica.

Disliked Full details ->
Magnesium Sulfate
Sulfate Icon
SulfateSulfate Icon

Magnesium Sulfate is a salt. It can be naturally found in sea water or mineral deposits.

Very Disliked Full details ->
Polyglyceryl-3 Diisostearate Emulsifying
4 / 0 May worsen Oily Skin IconNot safe for Fungal Acne Icon
2 Concerns

Polyglyceryl-3 Diisostearate is an emulsifer and emollient. It comes from Isostearic Acid and Polyglycerin-3.

4 Com. / 0 Irr.
Very Disliked Full details ->
Tribehenin Emollient, Skin Conditioning
0 / 0 Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Tribehenin comes from glycerin and behenic acid.

0 Com. / 0 Irr.
Very 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 ->
Bis-Peg/Ppg-14/14 Dimethicone Emollient, Emulsifying, Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Bis-Peg/Ppg-14/14 Dimethicone is a type of silicone.

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 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.
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.
Ethylhexylglycerin Skin Conditioning

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Polyglyceryl-4 Isostearate Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Polyglyceryl-4 Isostearate isn't fungal acne safe.

Very Disliked Full details ->
Cetyl Peg/Ppg-10/1 Dimethicone Emulsifying, Skin Conditioning
Silicon Icon
SiliconSilicon Icon

This ingredient is a high molecular weight silicone. It has emulsifying and skin conditioning properties.

Very Disliked Full details ->
Methicone Emollient, Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Methicone is a type of silicone.

Unknown Full details ->
Tetramethyl Hexaphenyl Tetrasiloxane Skin Conditioning
Silicon Icon
SiliconSilicon Icon

Tetramethyl Hexaphenyl Tetrasiloxane is a type of silicone.

Unknown Full details ->
Phenyl Methicone Emollient
Silicon Icon
SiliconSilicon Icon

Phenyl Methicone is a type of silicone.

Unknown Full details ->
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 ->
Laureth-7 Emulsifying

Laureth-7 is created by the ethoxylation of lauryl alcohol using ethylene oxide. Lauryl alcohol is a fatty alcohol with hydrating properties.

Disliked Full details ->
Polymethylsilsesquioxane
Silicon Icon
SiliconSilicon Icon

Polymethylsilsesquioxane is a silicone used as a film forming agent.

Disliked Full details ->
Hexyl Laurate Emollient, Skin Conditioning
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Hexyl Laurate isn't fungal acne safe.

Very Disliked Full details ->
Disteardimonium Hectorite Stabilising

Disteardimonium Hectorite comes from the clay mineral named hectorite. It is used to add thickness to a product.

Disliked Full details ->
Cellulose Gum Emulsion Stabilising, Masking
0 / 0

Cellulose Gum is a water-soluble polymer that comes from cellulose. It is used to change the texture of a product and to help stabilize emulsions.

0 Com. / 0 Irr.
Propylene Carbonate Solvent

This ingredient is a solvent. It helps dissolve active ingredients and alter the texture of products.

Unknown Full details ->
Alumina Abrasive, Absorbent
Exfoliant Icon
ExfoliantExfoliant Icon

Alumina is another name for the compound aluminum oxide. It is used as a thickener, absorbent, and abrasive.

Very Disliked Full details ->
Xanthan Gum Emulsifying, Emulsion Stabilising, Gel Forming

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Disliked Full details ->
Dimethicone Silylate

We don't have a description for Dimethicone Silylate.

Unknown Full details ->
Sorbic Acid Preservative
Preservative IconMay worsen Eczema Icon
PreservativePreservative Icon May worsen EczemaMay worsen Eczema Icon

Sorbic Acid is a preservative. It is the most commonly used food preservative in the world.

Very Disliked 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 ->
Chlorphenesin Antimicrobial, Preservative
Preservative Icon
PreservativePreservative Icon

Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol.

Disliked Full details ->
CI 77492 Cosmetic Colorant

Ci 77492 is also hydrated iron III oxide. It's sole purpose is to give a yellow hue to products.

CI 77891 Cosmetic Colorant

Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.

Disliked 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
Emollient, Skin Conditioning, Skin Protecting
Very Disliked

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.

Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.

Abrasive, Absorbent
Disliked

Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.

Silica is often used for absorption and can help reduce shine when products are applied. Silica occurs in naturally in materials like clay and sandstone, and it can also be produced synthetically.

Silica is present naturally within the skin during collagen production and when reducing inflammation.

Learn more about Silica
Humectant, Masking, Skin Conditioning
Mixed

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

  • It is a solvent, meaning that it helps to dissolve other ingredients. This also enhances the absorption of the product into one's skin.
  • It is a humectant, which means that it helps attract moisture into the skin.
  • It helps improve product application.

Overall, Butylene Glycol is a safe and well-rounded ingredient. It is unlikely to irritate skin, and works well with pretty much all other ingredients.

Skin Conditioning
Very Disliked

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

According to the manufacturer, acidic formulations decrease the stability of this ingredient. It works best in neutral or near neutral formulations.

Emollient, Emulsifying, Skin Conditioning

Bis-Peg/Ppg-14/14 Dimethicone is a type of silicone.

Very Disliked

Magnesium Sulfate is a salt. It can be naturally found in sea water or mineral deposits.

In cosmetics, Magnesium Sulfate is used to thicken a product or help dilute other solids. It is a non-reactive and non-irritating ingredient.

You might recognize Magnesium Sulfate as epsom salt, or the bath salt used to help relieve muscle aches.

One study shows magnesium deficiency may lead to inflammation of the skin. Applying magnesium topically may help reduce inflammation.

Learn more about Magnesium Sulfate
Preservative
Very Disliked

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.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

Stabilising
Disliked

Disteardimonium Hectorite comes from the clay mineral named hectorite. It is used to add thickness to a product.

It can also help stabilize a product by helping to disperse other ingredients.

Hectorite is a rare, white clay mineral.

Learn more about Disteardimonium Hectorite
Cosmetic Colorant
Disliked

Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.

It's main function is to add a white color to cosmetics. It can also be mixed with other colors to create different shades.

Ci 77891 is commonly found in sunscreens due to its ability to block UV rays.

Learn more about CI 77891
Cosmetic Colorant
Mixed

Ci 77492 is also hydrated iron III oxide. It's sole purpose is to give a yellow hue to products.

Iron III oxides are classified as inorganic chemicals for coloring.

Synthetically created Ci 77492 is considered safer than those naturally found. This is because the synthetically created version may contain less impurities. Iron oxides are generally non-toxic and non-allergenic.

Learn more about CI 77492

Ingredient Ratings

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

Can't Stop Won't Stop Full Coverage Foundation
6
4
11
6
liked
mixed
disliked
not rated
Studio Skin 24 Hour Hydra Foundation
4
5
21
7
liked
mixed
disliked
not rated

When to use

17 Routines
88% use in am
12% use in pm
88% use every day
1 Routine
100% use in am
0% use in pm
100% use every day

Reviews

Here's what our community thinks

NYX Cosmetics Can't Stop Won't Stop Full Coverage Foundation 27 ingredients

3.5 /5
from 2 ratings
Full Coverage (2) Buildable (1) Long Lasting (1)
BubbIes's avatar

BubbIes

5 months ago Β· Combination Skin
Review

Despite the decent ingredients for someone with acne prone skin, I found the consistency and finish of this to be sticky, thick, and a bit...

Despite the decent ingredients for someone with acne prone skin, I found the consistency and finish of this to be sticky, thick, and a bit unnatural looking. It might work better for those who can pull off heavier foundation application.

SensitiveSkinBestFriend's avatar

SensitiveSkinBestFriend

4 months ago Β· Sensitive Skin
Review

When you find the right shade and you prep your skin well, this foundation looks incredible on camera and in photos. I like to mix it with...

When you find the right shade and you prep your skin well, this foundation looks incredible on camera and in photos. I like to mix it with something more hydrating + illuminating. Stays a long time, great FA-safe option.

Smashbox Studio Skin 24 Hour Hydra Foundation 37 ingredients

5.0 /5
from 1 rating
screamadelica's avatar

screamadelica

1 year ago Β· Normal Skin
Review

good foundation
not the best foundation ever, but it’s pretty good! good variety of shades; 1.05 matches me really well.