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La Roche-Posay Anthelios AOX Face Serum with Sunscreen SPF 50
La Roche-Posay

La Roche-Posay Anthelios AOX Face Serum with Sunscreen SPF 50

SPF 50Efficacy100/100IrritancyMedium·5 UV filters
See all ingredients In 9 routines
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Works for

2 of 2 advertised claims delivered

Sun protection
SPF 50 · 5 UV filters
Broad spectrum
SPF 50Broad spectrumMineral + chemical filtersNo white cast

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Homosalate
Octocrylene
Octisalate
Oxybenzone
Avobenzone
FilterCoverageWhat it doesEst. amount
HomosalateUVB Photo-stable A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation9.6%
OctocryleneUVB Photo-stable A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen5.38%
OctisalateEthylhexyl SalicylateUVBOctisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen2.88%
OxybenzoneBenzophenone-3UVBUVA2Same as oxybenzone. Protects in the UVB and short UVA range. In small concentrations, used to stabilize product formulation. Can be irritating. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can penetrate the skin and get absorbed into bloodstream faster than other popular filters available in the US. The study that produced this finding did not address any potential health effects of the absorption3.46%
AvobenzoneButyl MethoxydibenzoylmethaneUVA1Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.2.68%
Anti-aging
Ascorbyl glucoside, Tocopherol
Strong evidence
What the product description says
“This innovative serum provides advanced protection to help visibly improve the appearance of fine lines, dark spots, and skin texture.”
Source: La roche posay US

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

These ingredients in the product might also be helpful for reducing and preventing fine lines, wrinkles, and skin elasticity, even though there is no conclusive evidence for their effectiveness: ascorbyl glucoside.

Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.5–1.15%
TocopherolEffect: LowPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~3.6–5.4%
Evens skin tone
Not advertised by the brand · Ascorbyl glucoside
Strong evidence

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

Ascorbyl glucosideKey activeEffect: MediumA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products~0.5–1.15%
Moisturizing
Not advertised by the brand · Dimethicone, Cyclopentasiloxane + 5 more
Good evidence

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: dimethicone, cyclopentasiloxane.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~5.5–8.3%
CyclopentasiloxaneKey active· EmollientEffect: MediumA silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin~4.4–6.7%
C13-14 isoparaffin· EmollientEffect: LowHelps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency~0.2–0.7%
Scutellaria baicalensis root extract· HumectantEffect: LowA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties~0.3–0.75%
TocopherolEffect: LowPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~3.6–5.4%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~1.4–2.1%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~1.3–2%

Can it cause trouble?

Irritancy
1 strong irritant: Benzophenone-3
Medium risk
We flagged 16 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
Benzophenone-3Same as oxybenzone. Protects in the UVB and short UVA range. In small concentrations, used to stabilize product formulation. Can be irritating. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can penetrate the skin and get absorbed into bloodstream faster than other popular filters available in the US. The study that produced this finding did not address any potential health effects of the absorptionHigh3.46%
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~1.4–2.1%est.
Scutellaria baicalensis root extractA plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant propertiesHigh~0.3–0.75%est.
Butyl methoxydibenzoylmethaneAvobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.Medium2.68%
HomosalateA weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulationMedium9.6%
OctocryleneA weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreenMedium5.38%
Acrylates/dimethicone copolymerUsed to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen), evenly disperse pigements and create a nice product consistencyMedium~2.7–4.1%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~1.3–2%est.
Ascorbyl glucosideA vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in productsMedium~0.5–1.15%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.45–1%est.
Disodium edtaStabilizes the product formulationMedium~0.2–0.8%est.
Diethylhexyl syringylidenemalonateUsed to stabilize the product formulationMedium~0.2–0.7%est.
PolyacrylamideUsed to improve product texture and help oil and water mix togetherMedium~0.2–0.7%est.
Laureth-7Helps oil and water mix togetherMedium~0.1–0.35%est.
Cassia alata leaf extractMight have some anti-oxidant properties. Can be used as a fragrance. Can be irritatingMedium~0.05–0.25%est.
TriethanolamineUsed to adjust pH of the product and can help improve the product's smellMedium~0.05–0.25%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
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Ingredients

Filter by role to see what each ingredient is doing.

Butyl methoxydibenzoylmethane2.68%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Avobenzone. An organic, or so-called "chemical" UV filter. Protects against both UVA and UVB rays. Needs to be combined with other filters in a formulation to be stable.

More about Butyl methoxydibenzoylmethane
Homosalate9.6%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation

More about Homosalate
Ethylhexyl salicylate2.88%
UV filter
Irritation risk
Low
Works for
Sun protection

Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen

More about Ethylhexyl salicylate
Octocrylene5.38%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that protects against the sun rays that cause sunburn (UVB) and is somewhat effective against the UVA rays. It is quite stable and can help stabilize other, more vulnerable, sunscreen ingredients like Avobenzone. It is an organic, or so called "chemical" sunscreen

More about Octocrylene
Benzophenone-33.46%
UV filterKey activeIrritant · high
Irritation risk
High
Works for
Sun protection

Same as oxybenzone. Protects in the UVB and short UVA range. In small concentrations, used to stabilize product formulation. Can be irritating. Is shown to be harmful to coral reefs - consider avoiding bathing in coral reef areas when wearing a product with this ingredient. It can penetrate the skin and get absorbed into bloodstream faster than other popular filters available in the US. The study that produced this finding did not address any potential health effects of the absorption

More about Benzophenone-3
Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Dimethicone~5.5–8.3%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Cyclopentasiloxane~4.4–6.7%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin

More about Cyclopentasiloxane
Tocopherol~3.6–5.4%
Formula
Irritation risk
Low
Works for
Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Acrylates/dimethicone copolymer~2.7–4.1%
Irritant · medium
Irritation risk
Medium

Used to stabilize product formulation, help create an even product layer over skin (for example, in sunscreen), evenly disperse pigements and create a nice product consistency

More about Acrylates/dimethicone copolymer
Phenoxyethanol~0.5–1%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Propylene glycol~1.4–2.1%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Caprylyl glycol~1.3–2%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Silica~1.3–1.9%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Sodium polyacrylate~0.95–1.45%
Formula
Irritation risk
Low
Works for
Mattifying

Used to create a gel-like product texture, as well as to stabilize emulsions

More about Sodium polyacrylate
Ascorbyl glucoside~0.5–1.15%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-agingAnti-oxidationEvens skin tone

A vitamin C derivative that is more stable but less potent than pure form of vitamin C. Has a potential to boost collagen production, nutralise free radicals and reduce hyperpigmentation, but the required concentration is likely to be much higher than for the pure form of vitamin C, limiting the ingredient's effectiveness in products

More about Ascorbyl glucoside
Scutellaria baicalensis root extract~0.3–0.75%
Irritant · high
Irritation risk
High
Works for
Anti-inflammatoryAntibacterialAnti-oxidationMoisturizingReduces irritation

A plant extract that might contain a compound baicalin that could be helpful in neutralizing free radicals and reducing inflammation in skin. The baicalin concentration in skincare products is often too low for an effective action. Can be used for its fragrant properties

More about Scutellaria baicalensis root extract
Acrylates/c10-30 alkyl acrylate crosspolymer~0.45–1%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Disodium edta~0.2–0.8%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Diethylhexyl syringylidenemalonate~0.2–0.7%
Irritant · medium
Irritation risk
Medium

Used to stabilize the product formulation

More about Diethylhexyl syringylidenemalonate
Polyacrylamide~0.2–0.7%
Irritant · medium
Irritation risk
Medium

Used to improve product texture and help oil and water mix together

More about Polyacrylamide
C13-14 isoparaffin~0.2–0.7%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin, dissolve other ingredients and create a thicker product consistency

More about C13-14 isoparaffin
Laureth-7~0.1–0.35%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps oil and water mix together

More about Laureth-7
Cassia alata leaf extract~0.05–0.25%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

Might have some anti-oxidant properties. Can be used as a fragrance. Can be irritating

More about Cassia alata leaf extract
Maltodextrin~0.1–0.4%
Formula
Irritation risk
Low
Works for
Mattifying

Used to stabilize the product formulation and can help absorb oil

More about Maltodextrin
Triethanolamine~0.05–0.25%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to adjust pH of the product and can help improve the product's smell

More about Triethanolamine
Ingredient list view

Butyl methoxydibenzoylmethane, Homosalate, Ethylhexyl salicylate, Octocrylene, Benzophenone-3, Water, Dimethicone, Cyclopentasiloxane, Tocopherol, Acrylates/dimethicone copolymer, Phenoxyethanol, Propylene glycol, Caprylyl glycol, Silica, Sodium polyacrylate, Ascorbyl glucoside, Scutellaria baicalensis root extract, Acrylates/c10-30 alkyl acrylate crosspolymer, Disodium edta, Diethylhexyl syringylidenemalonate, Polyacrylamide, C13-14 isoparaffin, Laureth-7, Cassia alata leaf extract, Maltodextrin, Triethanolamine

Compare prices

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Amazon USPrice as of 10/31/2026 03:16 GMT
$44.97
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Dermstore
$44.99
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La roche posay US
$44.99
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Walgreens
$44.99
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Product summary

Based on the ingredient list, we assess that "La Roche-Posay - Anthelios AOX Face Serum with Sunscreen SPF 50" can provide reliable sun protection. It can protect from both UVA and UVB rays. This is great news because not all sunscreens with SPF ratings give UVA protection. (UVA rays do not cause sunburn, but still damage our skin and lead to early aging).

Because it includes good moisturizing ingredients, it can also work as a hydrating day cream. Like all broad-spectrum sunscreens, this product helps prevent early signs of aging.

Sunscreen filters

This is a so-called "chemical" sunscreen. It means that it uses organic UV filters. They typically offer good sun protection and rarely leave a white cast, but they can be irritating for some people with sensitive skin. Here are the exact UV filters in this sunscreen: oxybenzone 3.46% (declared), avobenzone 2.68% (declared), octinoxate 4.70% - 7.10%, octisalate 2.88% (declared), homosalate 9.60% (declared) and octocrylene 5.38% (declared).

Irritation risk

There are some common irritants in this product, including ingredients that do not have benefits for the skin. We assess the overall irritancy of this product to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails from 42.50$ up to 59.69$ in the United States and for 134.42A$ in Australia.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 18 studies and safety reviews.

  1. 1
    Opinion on Homosalate - Scientific Committee on Consumer Products ec.europa.eu
  2. 2
    Dermatological and environmental toxicological impact of the sunscreen ingredient oxybenzone/benzophenone‐3onlinelibrary.wiley.com
  3. 3
    Effect of Sunscreen Application on Plasma Concentration of Sunscreen Active Ingredients A Randomized Clinical Trialjamanetwork.com
  4. 4
    On Photostability of Oxybenzonecore.ac.uk
  5. 5
    Dimethicone as a protective ingredient in topical medicationsjaad.org
  6. 6
    Final Report on the Safety Assessment of Dimethicone Copolyoljournals.sagepub.com
La Roche-Posay Anthelios AOX Face Serum with Sunscreen SPF 50
La Roche-PosayAnthelios AOX Face Serum with Sunscreen SPF 50
Buy at Dermstore$44.99$44.97as of 10/31 03:16 GMT

Affiliate links · As an Amazon Associate, WIMJ earns from qualifying purchases.

Buy at Dermstore$44.99$44.97as of 10/31 03:16 GMT

As an Amazon Associate, WIMJ earns from qualifying purchases.