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Updated on October 17, 2023

Overview

What they are

These products are both reef safe eyeshadows. They have a total of 12 ingredients in common

Cool Features

They both contain exfoliants and Vitamin E

Suited For

They're both likely to be good for brightening skin

Free From

They both do not contain any harsh alcohols, common allergens, fragrances, 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.

NARS Cosmetics Smudge Proof Eyeshadow Base
Smashbox 24 Hour Photo Finish Eyeshadow Primer

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
Smudge Proof Eyeshadow Base
Isododecane Emollient, Solvent

Isododecane is a fragrance, emollient, and solvent.

Disliked Full details ->
Talc Abrasive, Absorbent, Skin Protecting
1 / 0 Exfoliant Icon
ExfoliantExfoliant Icon

Talc is a clay mineral. It helps absorb moisture and improve the texture of products. Like other types of clay, Talc can have a slight exfoliating effect on skin. Talc can be added to increase the volume of products.

1 Com. / 0 Irr.
Very Disliked Full details ->
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 ->
Disteardimonium Hectorite Stabilising

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

Disliked Full details ->
Vp/Eicosene Copolymer

We don't have a description for Vp/Eicosene Copolymer.

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 ->
Cetyl Ethylhexanoate Emollient

Cetyl Ethylhexanoate comes from cetearyl alcohol and 2-ethylhexanoic acid.

Sorbitan Sesquioleate Emulsifying
0-1 / 0 Bad for Acne Prone Skin IconNot safe for Fungal Acne Icon
2 Concerns

Sorbitan Sesquioleate is derived from sorbitol and oleic acid. It is an emulsifier and prevents ingredients from separating.

0-1 Com. / 0 Irr.
Very 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 ->
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.

Propylene Carbonate Solvent

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

Unknown Full details ->
Peg-40 Stearate Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Peg-40 Stearate is a waxy solid made up of polyethylene glycol and stearic acid. It is an emulsifier and cleanser. Emulsifiers help oils and water mix.

Unknown Full details ->
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 ->
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 ->
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.
Cera Alba Emollient, Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Cera alba is beeswax, or the wax used by bees to make honeycombs. It is a texture-enhancer and emollient. A study from 2003 found beeswax to be a stronger emollient than ingredients such as petroleum jelly.

Disliked Full details ->
Diethylhexyl Syringylidenemalonate Skin Protecting

We don't have a description for Diethylhexyl Syringylidenemalonate.

Unknown Full details ->
Oryza Sativa Bran Extract Skin Conditioning, Skin Protecting

Oryza Sativa Bran Extract comes from the outer layer of a rice kernel. It is a byproduct of milling rice, or the operation to produce a whole grain rice product.

Triethoxycaprylylsilane

Triethoxycaprylylsilane is a silicone used to bind and stabilize ingredients.

Disliked Full details ->
Castor Oil Phosphate Emulsion Stabilising
Oil Icon
OilOil Icon

Castor Oil Phosphate is an oil.

Unknown Full details ->
Sea Whip Extract Skin Conditioning

We don't have a description for Sea Whip Extract.

Mica Cosmetic Colorant
May worsen Eczema Icon
May worsen EczemaMay worsen Eczema Icon

Mica refers to a group of silicate minerals. Mica crystals are easily split to give products a shimmer. These crystals are able to reflect light to temporarily give your skin a glowy look.

Very Disliked 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 77163 Cosmetic Colorant

This synthetic powder is used to add a pearly/white color in cosmetics.

Disliked Full details ->
24 Hour Photo Finish Eyeshadow Primer
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 ->
Talc Abrasive, Absorbent, Skin Protecting
1 / 0 Exfoliant Icon
ExfoliantExfoliant Icon

Talc is a clay mineral. It helps absorb moisture and improve the texture of products. Like other types of clay, Talc can have a slight exfoliating effect on skin. Talc can be added to increase the volume of products.

1 Com. / 0 Irr.
Very Disliked Full details ->
Dimethicone Silylate

We don't have a description for Dimethicone Silylate.

Unknown Full details ->
Trihydroxystearin Skin Conditioning
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

This ingredient comes from Hydroxystearic Acid, a fatty acid, and glycerin. It is used to thicken oils.

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 ->
Kaolin Abrasive, Absorbent, Cosmetic Colorant
0 / 0 Exfoliant IconGood for Oily Skin IconHelps fight Acne Icon
ExfoliantExfoliant Icon 2 Benefits

Kaolin is a clay. It is used for oil control and to help minimize pores. Like other clays, kaolin has the ability to absorb excess sebum or oil. This can help clean out pores and mattify the skin.

0 Com. / 0 Irr.
Hydrogenated Polyisobutene Emollient, Skin Conditioning
1 / 2

Hydrogenated Polyisobutene is a synthetic polymer. Polymers are compounds with high molecular weight. Hydrogenated Polyisobutene is an emollient and texture enhancer.

1 Com. / 2 Irr.
Polyethylene Abrasive
Exfoliant Icon
ExfoliantExfoliant Icon

Polyethylene is a synthetic ingredient that helps the skin retain moisture. It is a polymer.

Very Disliked Full details ->
Vp/Eicosene Copolymer

We don't have a description for Vp/Eicosene Copolymer.

Unknown Full details ->
Trioctyldodecyl Citrate Emollient, Skin Conditioning

We don't have a description for Trioctyldodecyl Citrate.

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.
Lecithin Emollient, Emulsifying, Skin Conditioning

Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.

Disliked Full details ->
Triethylhexanoin Masking, Skin Conditioning

Triethylhexanoin is created from glycerin and 2-ethylhexanoic acid. It is a solvent and emollient.

Bisabolol Masking, Skin Conditioning, Soothing
Helps reduce irritation Icon
Helps reduce irritationHelps reduce irritation Icon

Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.

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 ->
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 ->
Ethylene/Methacrylate Copolymer

We don't have a description for Ethylene/Methacrylate Copolymer.

Unknown Full details ->
Propylene Carbonate Solvent

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

Unknown Full details ->
Sorbitan Sesquioleate Emulsifying
0-1 / 0 Bad for Acne Prone Skin IconNot safe for Fungal Acne Icon
2 Concerns

Sorbitan Sesquioleate is derived from sorbitol and oleic acid. It is an emulsifier and prevents ingredients from separating.

0-1 Com. / 0 Irr.
Very Disliked Full details ->
Caprylyl Glycol Emollient, Humectant, Skin Conditioning

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

Stearic Acid Cleansing, Emulsifying, Emulsion Stabilising
2-3 / 0 May worsen Oily Skin IconNot safe for Fungal Acne Icon
2 Concerns

Stearic Acid is a fatty acid. It is an emollient, emulsifier, and texture enhancer.

2-3 Com. / 0 Irr.
Very Disliked Full details ->
Glycyrrhetinic Acid Skin Conditioning

We don't have a description for Glycyrrhetinic Acid.

Peg-40 Stearate Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Peg-40 Stearate is a waxy solid made up of polyethylene glycol and stearic acid. It is an emulsifier and cleanser. Emulsifiers help oils and water mix.

Unknown Full details ->
Isopropyl Titanium Triisostearate Emollient, Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Isopropyl Titanium Triisostearate isn't fungal acne safe.

Unknown Full details ->
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Antioxidant
Antioxidant Icon
AntioxidantAntioxidant Icon

Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate (long name, huh?) is a synthetic antioxidant.

Mica Cosmetic Colorant
May worsen Eczema Icon
May worsen EczemaMay worsen Eczema Icon

Mica refers to a group of silicate minerals. Mica crystals are easily split to give products a shimmer. These crystals are able to reflect light to temporarily give your skin a glowy look.

Very Disliked 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 77499 Cosmetic Colorant

Ci 77499 is also hydrated iron III oxide. It is created from mixing red and black iron oxides. This helps give shades of darkness to a product.

CI 77163 Cosmetic Colorant

This synthetic powder is used to add a pearly/white color in cosmetics.

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.

Emollient, Solvent
Disliked

Isododecane is a fragrance, emollient, and solvent.

As an emollient, it helps your skin stay soft and hydrated. Emollients help trap moisture into your skin.

Isododecane's role as a solvent makes it a great texture enhancer. It spreads smoothly on skin and does not leave a sticky feeling behind. Isododecane also helps prevent color transfer in makeup products.

Isododecane is not absorbed into skin.

Learn more about Isododecane
Abrasive, Absorbent, Skin Protecting
Very Disliked

Talc is a clay mineral. It helps absorb moisture and improve the texture of products. Like other types of clay, Talc can have a slight exfoliating effect on skin. Talc can be added to increase the volume of products.

Some Baby powders are made by combining talc with corn starch. The word "talc" comes from Latin and originates from Arabic. Talc is a mineral commonly found throughout the world.

If you have any concerns about using talc, we recommend checking out the FDA's official page.

Learn more about Talc
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

We don't have a description for Vp/Eicosene Copolymer.

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.

Emulsifying
Very Disliked

Sorbitan Sesquioleate is derived from sorbitol and oleic acid. It is an emulsifier and prevents ingredients from separating.

Specifically, this ingredient is a water-in-oil emulsifier, meaning it helps water dissolve into oil.

Some studies suggest this ingredient may cause irritation in some people. If you are unsure, it is best to patch test.

This ingredient may not be Malassezia folliculitis, or fungal-acne safe.

Learn more about Sorbitan Sesquioleate

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

Propylene Carbonate is commonly used in makeup and with clay, such as montmorillonite or bentonite.

Studies show this ingredient to be safe for cosmetics. When it is undiluted, it can cause skin irritation. (It is always diluted in skincare and makeup). This ingredient is water-soluble.

Propylene Carbonate is created from propylene glycol and carbonic acid.

Learn more about Propylene Carbonate
Emulsifying

Peg-40 Stearate is a waxy solid made up of polyethylene glycol and stearic acid. It is an emulsifier and cleanser. Emulsifiers help oils and water mix.

Stearic acid is a a fatty acid. Therefore, Peg-40 stearate may not be fungal-acne safe.

Antioxidant, Skin Conditioning
Liked

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.

One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.

Tocopheryl Acetate is commonly found in both skincare and dietary supplements.

Learn more about Tocopheryl Acetate
Cosmetic Colorant
Very Disliked

Mica refers to a group of silicate minerals. Mica crystals are easily split to give products a shimmer. These crystals are able to reflect light to temporarily give your skin a glowy look.

Mica is found to be safe. Trace amounts of heavy metals may be found in mica, but these metals are not harmful in our personal products.

Mica has been used since prehistoric times throughout the world. Ancient Egyptian, Indian, Greek, Roman, Aztec, and Chinese civilizations have used mica.

Mica can be naturally found throughout the world. However, some sources of mica may be controversial. In 2016, mica mined in the Jharkhand state in India was found to be using child labor. However, companies are able to source ethical mica affiliated with international organizations that monitor the mica supply chain.

Learn more about Mica
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
Disliked

This synthetic powder is used to add a pearly/white color in cosmetics.

Ingredient Ratings

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

Smudge Proof Eyeshadow Base
3
2
14
5
liked
mixed
disliked
not rated
24 Hour Photo Finish Eyeshadow Primer
7
2
14
7
liked
mixed
disliked
not rated

When to use

1 Routine
100% use in am
0% use in pm
100% use every day