Skinceuticals Sheer Physical UV Defense SPF 50

Common questions

Is Skinceuticals Sheer Physical UV Defense SPF 50 healthy?

Skinceuticals Sheer Physical UV Defense SPF 50 scores 65/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This sunscreen contains beneficial ingredients like tocopherol, which is an antioxidant that protects the skin.

Which ingredients drive Skinceuticals Sheer Physical UV Defense SPF 50's score?

In Scout's ingredient-by-ingredient analysis, Tocopherol counts in its favor; Dimethicone, Butyloctyl Salicylate, Styrene/Acrylates Copolymer are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Skinceuticals Sheer Physical UV Defense SPF 50

SkinCeuticals
65 Fair

Analysis updated August 2026 · How Scout scores

View on Amazon

At a glance

Beneficial ingredients 1
Harmful ingredients 6
Owned by L'Oréal
Category Sunscreen
Summary

This sunscreen contains beneficial ingredients like tocopherol, which is an antioxidant that protects the skin. However, it also includes talc, which is associated with health concerns, particularly when contaminated with asbestos. The presence of synthetic polymers and PEG compounds indicates a moderate level of processing, which affects the overall score.

Key ingredients 33

Tocopherol
Good

Tocopherol, also known as Vitamin E, is an antioxidant used to protect the skin from free radical damage. It helps to improve the overall health and appearance of the skin. It is generally considered beneficial for use in cosmetics.

Risks

There are minimal risks associated with tocopherol, though it may cause mild irritation in sensitive individuals.

Benefits

Tocopherol helps to nourish and protect the skin, improving its overall health and appearance.

See more about Tocopherol →
Water
Neutral

Water is a common solvent used in many cosmetic formulations. It helps dissolve other ingredients and provides a base for the product. It is generally considered safe and non-irritating.

Risks

There are no significant risks associated with water in cosmetic formulations.

Benefits

Water helps in hydrating the skin and acts as a carrier for other beneficial ingredients.

See more about Water →
Isododecane
Neutral

Isododecane is a lightweight, volatile solvent that helps in the even application of the product. It evaporates quickly, leaving a non-greasy finish. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with isododecane, though it may cause mild irritation if it comes into contact with the eyes.

Benefits

Isododecane provides a silky feel and enhances the spreadability of the product.

See more about Isododecane →
C12-15 Alkyl Benzoate
Neutral

C12-15 Alkyl Benzoate is an emollient that helps to improve the texture and feel of the product. It is used to enhance the spreadability and provide a light, non-greasy finish. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with this ingredient.

Benefits

It helps to soften and smooth the skin, improving the overall feel of the product.

See more about C12-15 Alkyl Benzoate →
Undecane
Neutral

Undecane is a hydrocarbon used as a solvent and emollient in cosmetic formulations. It helps to improve the spreadability and texture of the product. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with undecane, though it may cause mild irritation if it comes into contact with the eyes.

Benefits

Undecane provides a lightweight feel and enhances the application of the product.

Triethylhexanoin
Neutral

Triethylhexanoin is an emollient that helps to improve the texture and feel of the product. It is used to enhance the spreadability and provide a light, non-greasy finish. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with this ingredient.

Benefits

It helps to soften and smooth the skin, improving the overall feel of the product.

See more about Triethylhexanoin →
Isohexadecane
Neutral

Isohexadecane is a lightweight, volatile solvent that helps in the even application of the product. It evaporates quickly, leaving a non-greasy finish. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with isohexadecane, though it may cause mild irritation if it comes into contact with the eyes.

Benefits

Isohexadecane provides a silky feel and enhances the spreadability of the product.

See more about Isohexadecane →
Nylon-12
Neutral

Nylon-12 is a synthetic polymer used to improve the texture and feel of cosmetic products. It provides a smooth, silky finish and helps to absorb excess oil. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with nylon-12.

Benefits

Nylon-12 helps to mattify the skin and improve the overall texture of the product.

Caprylyl Methicone
Neutral

Caprylyl Methicone is a silicone-based ingredient used to enhance the spreadability and texture of cosmetic products. It provides a lightweight, silky feel. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with caprylyl methicone.

Benefits

Caprylyl Methicone helps to improve the application and feel of the product on the skin.

See more about Caprylyl Methicone →
Phenethyl Benzoate
Neutral

Phenethyl Benzoate is an ester used to enhance the solubility and efficacy of sunscreen agents. It helps to improve the spreadability and feel of the product. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with phenethyl benzoate.

Benefits

It helps to improve the performance and feel of sunscreen products.

See more about Phenethyl Benzoate →
Silica
Neutral

Silica is a mineral used to improve the texture and feel of cosmetic products. It helps to absorb excess oil and provide a matte finish. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with silica.

Benefits

Silica helps to mattify the skin and improve the overall texture of the product.

See more about Silica →
Tridecane
Neutral

Tridecane is a hydrocarbon used as a solvent and emollient in cosmetic formulations. It helps to improve the spreadability and texture of the product. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with tridecane, though it may cause mild irritation if it comes into contact with the eyes.

Benefits

Tridecane provides a lightweight feel and enhances the application of the product.

Dicaprylyl Carbonate
Neutral

Dicaprylyl Carbonate is an emollient used to improve the texture and feel of cosmetic products. It provides a light, non-greasy finish and enhances the spreadability of the product. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with dicaprylyl carbonate.

Benefits

It helps to soften and smooth the skin, improving the overall feel of the product.

See more about Dicaprylyl Carbonate →
Dicaprylyl Ether
Neutral

Dicaprylyl Ether is an emollient used to improve the texture and feel of cosmetic products. It provides a light, non-greasy finish and enhances the spreadability of the product. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with dicaprylyl ether.

Benefits

It helps to soften and smooth the skin, improving the overall feel of the product.

See more about Dicaprylyl Ether →
Aluminum Stearate
Neutral

Aluminum Stearate is a thickening agent used to improve the texture and stability of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with aluminum stearate.

Benefits

It helps to improve the consistency and application of the product.

See more about Aluminum Stearate →
Pentylene Glycol
Neutral

Pentylene Glycol is a humectant used to improve the moisture content of the skin. It helps to enhance the texture and feel of the product. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with pentylene glycol.

Benefits

It helps to hydrate the skin and improve the overall feel of the product.

See more about Pentylene Glycol →
PEG-9 Polydimethylsiloxyethyl Dimethicone
Neutral

PEG-9 Polydimethylsiloxyethyl Dimethicone is a silicone-based ingredient used to enhance the texture and feel of cosmetic products. It provides a smooth, silky finish and improves the spreadability of the product. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with this ingredient.

Benefits

It helps to improve the application and feel of the product on the skin.

Alumina
Neutral

Alumina is a mineral used to improve the texture and feel of cosmetic products. It helps to provide a smooth, matte finish and enhance the spreadability of the product. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with alumina.

Benefits

It helps to improve the texture and application of the product.

See more about Alumina →
Polyhydroxystearic Acid
Neutral

Polyhydroxystearic Acid is an emulsifier used to improve the texture and stability of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with polyhydroxystearic acid.

Benefits

It helps to improve the consistency and application of the product.

See more about Polyhydroxystearic Acid →
Magnesium Sulfate
Neutral

Magnesium Sulfate is a mineral used to improve the texture and feel of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with magnesium sulfate.

Benefits

It helps to improve the consistency and application of the product.

See more about Magnesium Sulfate →
Caprylyl Glycol
Neutral

Caprylyl Glycol is a humectant used to improve the moisture content of the skin. It helps to enhance the texture and feel of the product. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with caprylyl glycol.

Benefits

It helps to hydrate the skin and improve the overall feel of the product.

See more about Caprylyl Glycol →
PEG-8 Laurate
Neutral

PEG-8 Laurate is an emulsifier used to improve the texture and stability of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with PEG-8 Laurate.

Benefits

It helps to improve the consistency and application of the product.

See more about PEG-8 Laurate →
Disteardimonium Hectorite
Neutral

Disteardimonium Hectorite is a thickening agent used to improve the texture and stability of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with disteardimonium hectorite.

Benefits

It helps to improve the consistency and application of the product.

See more about Disteardimonium Hectorite →
Propylene Carbonate
Neutral

Propylene Carbonate is a solvent used to improve the texture and feel of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with propylene carbonate.

Benefits

It helps to improve the consistency and application of the product.

See more about Propylene Carbonate →
Artemia Extract
Neutral

Artemia Extract is a marine extract used to improve the texture and feel of cosmetic products. It is believed to have skin-conditioning properties. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with artemia extract.

Benefits

It may help to condition and improve the overall appearance of the skin.

Benzoic Acid
Neutral

Benzoic Acid is a preservative used to prevent microbial growth in cosmetic products. It helps to extend the shelf life and maintain the safety of the product. It is generally considered safe for use in cosmetics at low concentrations.

Risks

In high concentrations, benzoic acid may cause skin irritation or allergic reactions.

Benefits

It helps to preserve the product and prevent contamination.

See more about Benzoic Acid →
PEG-9
Neutral

PEG-9 is an emulsifier used to improve the texture and stability of cosmetic products. It helps to provide a smooth, even application. It is generally considered safe for use in cosmetics.

Risks

There are no significant risks associated with PEG-9.

Benefits

It helps to improve the consistency and application of the product.

Dimethicone
Bad

Occlusive silicone film-former — flagged under clean-beauty doctrine.

Risks

In rare cases, it may cause skin irritation or exacerbate acne in sensitive individuals.

Benefits

Dimethicone helps to lock in moisture and improve the texture of the skin.

See more about Dimethicone →
Butyloctyl Salicylate
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

There are no significant risks associated with butyloctyl salicylate.

Benefits

It helps to improve the performance and feel of sunscreen products.

See more about Butyloctyl Salicylate →
Styrene/Acrylates Copolymer
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

There are no significant risks associated with this ingredient.

Benefits

It helps to enhance the water resistance and longevity of the product.

See more about Styrene/Acrylates Copolymer →
Dimethicone/PEG-10/15 Crosspolymer
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

There are minimal risks associated with this ingredient.

Benefits

It helps to improve the application and feel of the product on the skin.

Phenoxyethanol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

In high concentrations, phenoxyethanol may cause skin irritation or allergic reactions.

Benefits

It helps to preserve the product and prevent contamination.

See more about Phenoxyethanol →
Talc
Very Bad

Talc is a mineral used to improve the texture and feel of cosmetic products. However, it has been associated with health concerns, particularly when contaminated with asbestos. It is heavily penalized in cosmetic formulations.

Risks

Talc may pose a risk of respiratory issues and has been linked to cancer concerns when contaminated with asbestos.

Benefits

Talc can help to absorb moisture and provide a smooth, matte finish.

See more about Talc →

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