BIOTHERM

BIOTHERM Blue Therapy Multi-Defender SPF25 Normal to Combination Skin

Name: BIOTHERM - Blue Therapy Multi-Defender SPF25 Normal to Combination Skin
Brand: BIOTHERM

SPF 25Efficacy75/100IrritancyHigh·3 UV filters

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Works for

1 of 2 advertised claims delivered

Sun protection

SPF 25 · 3 UV filters · Broad spectrum

Weak protectionSPF under 30

SPF 25Broad spectrumChemical filtersNo white cast

This product offers broad spectrum sun protection, but it is weak. We recommend to use a broad spectrum sunscreen with at least SPF 30.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum

UVB290–320 nmUVA II320–340 nmUVA I340–400 nm

Octocrylene

Octisalate

Avobenzone

FilterCoverageWhat it doesEst. amount

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" sunscreen~4.4–5.4%

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" sunscreen~2.5–3%

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.~1.9–2.4%

~ marks concentrations estimated from label position and typical use levels

Reef-safe

No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.

Anti-aging

4 ingredients credited for this claim

Strong support

What the product description says

“This cream contains the first Broad Outdoor Defense Complex, a concentrate in antioxidant Baicaline and in F.Lumbricalis which protects the skin from pollution, in order to defend your skin against accelerating factors of aging like never before.”

Source: Cocoon Center

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine, niacinamide.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~2.3–2.8%

AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.25–0.45%

Algae extractEffect: LowPlant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet~0.25–0.5%

TocopherolEffect: Low, below effective dosePure 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~0.65–1%

Evens skin tone

Not advertised by the brand · 1 ingredient credited for this claim

Strong support

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: niacinamide

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

This product can also help with skin tone because it offers sun protection. Sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations. This is why sun protection is the best strategy for maintaining an even skin tone. We, however, do not recommend using this product as a sunscreen because the protection it offers is not strong enough).

Moisturizing

Not advertised by the brand · 17 ingredients credited for this claim

Strong support

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: algae extract, glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: algae extract, caprylic/capric glycerides.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide

Faex extractKey activeEffect: HighYeast extract. Helps attract water to the upper layer of the skin~0.25–0.45%

GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~4.9–6%

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~2.3–2.8%

PolymethylsilsesquioxaneKey activeEffect: HighA silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss~0.25–0.5%

Saccharide isomerateKey active· HumectantEffect: HighHelps attract water to the upper layer of the skin~0.2–0.35%

Algae extractKey active· Humectant, EmollientEffect: HighPlant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet~0.25–0.5%

Caprylic/capric glyceridesKey active· EmollientEffect: MediumHelp soften the upper layer of the skin~0.3–0.5%

AdenosineKey activeEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.25–0.45%

Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.55–0.8%

Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.3–0.5%

Isononyl isononanoate· Emollient, OcclusiveEffect: LowForms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness~1.7–2.1%

Glyceryl stearate citrate· EmollientEffect: LowHelps oil and water mix together while softening the upper layer of the skin~0.4–0.65%

Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~1.1–1.4%

Behenyl alcohol· Emollient, OcclusiveEffect: LowNon-drying alcohol that helps water and oil mix together. Also serves as an emollient~0.55–0.85%

Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~0.6–0.9%

Myristyl alcohol· EmollientEffect: LowHelps to stabilize the product formulation while softening the upper layer of the skin. Can be irritating~0.25–0.5%

Anti-blemish

Not advertised by the brand · 1 ingredient credited for this claim

Strong support

This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide. This ingredient is used for treating acne and can have a noticeable effect.

Anti-oxidation

Not advertised by the brand · 3 ingredients credited for this claim

Moderate support

This product contains antioxidants (scutellaria baicalensis extract) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

Scutellaria baicalensis extractKey activeEffect: MediumA 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 typically too low. Can be used for its fragrant properties~0.25–0.45%

AdenosineEffect: LowMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.25–0.45%

TocopherolUnder-dosedEffect: HighPure 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~0.65–1%

Can it cause trouble?

Irritancy

7 strong irritants: Alcohol denat., Limonene + 5 more — patch-test recommended

High risk

We flagged 21 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.

IngredientFunctionIrritationEst. amount

Alcohol denat.Produces temporary toning effect. Can help dissolve other ingredients or preserve productsHigh~3.1–3.8%est.

Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~1.1–1.4%est.

Scutellaria baicalensis 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 typically too low. Can be used for its fragrant propertiesHigh~0.25–0.45%est.

LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.2–0.4%est.

LinaloolA fragrance. Can be irritatingHigh~0.2–0.4%est.

Myristyl alcoholHelps to stabilize the product formulation while softening the upper layer of the skin. Can be irritatingHigh~0.25–0.5%est.

GeraniolA fragrance. Can be irritatingHigh~0.2–0.4%est.

CitronellolA fragrance. Can be irritatingHigh~0.2–0.35%est.

Benzyl alcoholA preservative. Can be used to mask unpleasant smell. Can be irritatingHigh~0.1–0.2%est.

CitralA fragrance with a lemon scent. A likely irritantHigh~0.1–0.2%est.

ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.05–0.1%est.

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" sunscreenMedium~4.4–5.4%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.Medium~1.9–2.4%est.

Disodium ethylene dicocamide peg-15 disulfateHelps oil and water mix togetherMedium~0.45–0.65%est.

ChlorphenesinA preservativeMedium~0.16–0.32%est.

Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.3–0.5%est.

Disodium edtaStabilizes the product formulationMedium~0.25–0.45%est.

TriethanolamineUsed to adjust pH of the product and can help improve the product's smellMedium~0.25–0.5%est.

EthylhexylglycerinA preservativeMedium~0.2–0.4%est.

Potassium sorbateA preservativeMedium~0.15–0.25%est.

Maris salUsed to thicken the product formulation and might help to add minerals to the surface of the skin. It is used in scrubs as a physical exfoliant. Can increase sensitivity to other ingredients if left on the skin or used in high concentrationMedium~0.1–0.25%est.

Comedogenic

1 ingredient rated 2 or more on the 0–5 pore-clogging scale

1 flagged

These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.

IngredientFunctionRatingEst. amount

Algae extractPlant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet3/5~0.25–0.5%est.

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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%

Formula

Irritation risk: Low

Plain old water

More about Water

Glycerin~4.9–6%

Key active

Irritation risk: Low

Works for

Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin

Octocrylene~4.4–5.4%

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

Alcohol denat.~3.1–3.8%

Irritant · high

Irritation risk: High

Produces temporary toning effect. Can help dissolve other ingredients or preserve products

More about Alcohol denat.

Niacinamide~2.3–2.8%

Hero · Moisturizing, Anti-blemish

Irritation risk: Low

Works for

Anti-agingAnti-blemishEvens skin toneMoisturizingReduces irritationAnti-inflammatoryAntibacterialReduces redness

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide

Ethylhexyl salicylate~2.5–3%

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

Isononyl isononanoate~1.7–2.1%

Formula

Irritation risk: Low

Works for

Moisturizing

Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness

More about Isononyl isononanoate

Butyl methoxydibenzoylmethane~1.9–2.4%

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

Propylene glycol~1.1–1.4%

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

Poly c10-30 alkyl acrylate~0.95–1.15%

Formula

Irritation risk: Low

More about Poly c10-30 alkyl acrylate

Tocopherol~0.65–1%

Under-dosed

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

Glyceryl stearate~0.6–0.9%

Formula

Irritation risk: Low

Works for

CleansingMoisturizing

An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together

More about Glyceryl stearate

Behenyl alcohol~0.55–0.85%

Formula

Irritation risk: Low

Works for

Moisturizing

Non-drying alcohol that helps water and oil mix together. Also serves as an emollient

More about Behenyl alcohol

Cetyl alcohol~0.55–0.8%

Key active

Irritation risk: Low

Works for

CleansingMoisturizing

A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together

More about Cetyl alcohol

Sodium polyacrylate~0.45–0.7%

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

Phenoxyethanol~0.45–0.65%

Formula

Irritation risk: Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol

Ci 77891~0.4–0.6%

Formula

Irritation risk: Low

More about Ci 77891

Glyceryl stearate citrate~0.4–0.65%

Formula

Irritation risk: Low

Works for

CleansingMoisturizing

Helps oil and water mix together while softening the upper layer of the skin

More about Glyceryl stearate citrate

Disodium ethylene dicocamide peg-15 disulfate~0.45–0.65%

Irritant · medium

Irritation risk: Medium

Works for

Cleansing

Helps oil and water mix together

More about Disodium ethylene dicocamide peg-15 disulfate

Sodium acrylates crosspolymer-2~0.3–0.5%

Formula

Irritation risk: Low

More about Sodium acrylates crosspolymer-2

Chlorphenesin~0.16–0.32%

Irritant · medium

Irritation risk: Medium

A preservative

More about Chlorphenesin

Caprylyl glycol~0.3–0.5%

Irritant · medium

Irritation risk: Medium

Works for

Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol

Scutellaria baicalensis extract~0.25–0.45%

Key activeIrritant · high

Irritation risk: High

Works for

Anti-oxidation

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 typically too low. Can be used for its fragrant properties

More about Scutellaria baicalensis extract

Polymethylsilsesquioxane~0.25–0.5%

Key active

Irritation risk: Low

Works for

Moisturizing

A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss

More about Polymethylsilsesquioxane

Disodium edta~0.25–0.45%

Irritant · medium

Irritation risk: Medium

Stabilizes the product formulation

More about Disodium edta

Caprylic/capric glycerides~0.3–0.5%

Key active

Irritation risk: Low

Works for

CleansingMoisturizing

Help soften the upper layer of the skin

More about Caprylic/capric glycerides

Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate~0.25–0.5%

Formula

Irritation risk: Low

Used to increase stability of product formulations

More about Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate

Triethanolamine~0.25–0.5%

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

Faex extract~0.25–0.45%

Key active

Irritation risk: Low

Works for

Moisturizing

Yeast extract. Helps attract water to the upper layer of the skin

More about Faex extract

Vitreoscilla ferment~0.25–0.4%

Formula

Irritation risk: Low

More about Vitreoscilla ferment

Limonene~0.2–0.4%

Irritant · high

Irritation risk: High

A common frangrance that can easily irritate skin, especially if exposed to air, light or heat

More about Limonene

Adenosine~0.25–0.45%

Key active

Irritation risk: Low

Works for

Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine

Linalool~0.2–0.4%

Irritant · high

Irritation risk: High

A fragrance. Can be irritating

More about Linalool

Stearyl alcohol~0.3–0.55%

Formula

Irritation risk: Low

Works for

Cleansing

An emollient that helps soften the skin

More about Stearyl alcohol

Myristyl alcohol~0.25–0.5%

Irritant · high

Irritation risk: High

Works for

Moisturizing

Helps to stabilize the product formulation while softening the upper layer of the skin. Can be irritating

More about Myristyl alcohol

Geraniol~0.2–0.4%

Irritant · high

Irritation risk: High

A fragrance. Can be irritating

More about Geraniol

Silica~0.35–0.65%

Formula

Irritation risk: Low

Used to absorb oil and can temporarily mattify skin

More about Silica

Citronellol~0.2–0.35%

Irritant · high

Irritation risk: High

A fragrance. Can be irritating

More about Citronellol

Ethylhexylglycerin~0.2–0.4%

Irritant · medium

Irritation risk: Medium

A preservative

More about Ethylhexylglycerin

Ci 77491~0.2–0.4%

Formula

Irritation risk: Low

A red colorant made of iron oxide. Typically is not irritating

More about Ci 77491

Thermus thermophillus ferment

Not recognized

Algae extract~0.25–0.5%

Key activeComedogenic 3/5

Irritation risk: Low
Comedogenicity: 3/5

Works for

MoisturizingAnti-aging

Plant extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but research is not extensive yet

More about Algae extract

Saccharide isomerate~0.2–0.35%

Key active

Irritation risk: Low

Works for

Moisturizing

Helps attract water to the upper layer of the skin

More about Saccharide isomerate

Benzyl alcohol~0.1–0.2%

Irritant · high

Irritation risk: High

A preservative. Can be used to mask unpleasant smell. Can be irritating

More about Benzyl alcohol

Citral~0.1–0.2%

Irritant · high

Irritation risk: High

A fragrance with a lemon scent. A likely irritant

More about Citral

Sodium carrageenan~0.15–0.25%

Formula

Irritation risk: Low

Helps stabilize the product formulation

More about Sodium carrageenan

Potassium sorbate~0.15–0.25%

Irritant · medium

Irritation risk: Medium

A preservative

More about Potassium sorbate

Maris sal~0.1–0.25%

Irritant · medium

Irritation risk: Medium

Works for

Exfoliation

Used to thicken the product formulation and might help to add minerals to the surface of the skin. It is used in scrubs as a physical exfoliant. Can increase sensitivity to other ingredients if left on the skin or used in high concentration

More about Maris sal

Parfum~0.05–0.1%

Irritant · high

Irritation risk: High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum

(f.i.l c193641/1)

Not recognized

Ingredient list view

Water, Glycerin, Octocrylene, Alcohol denat., Niacinamide, Ethylhexyl salicylate, Isononyl isononanoate, Butyl methoxydibenzoylmethane, Propylene glycol, Poly c10-30 alkyl acrylate, Tocopherol, Glyceryl stearate, Behenyl alcohol, Cetyl alcohol, Sodium polyacrylate, Phenoxyethanol, Ci 77891, Glyceryl stearate citrate, Disodium ethylene dicocamide peg-15 disulfate, Sodium acrylates crosspolymer-2, Chlorphenesin, Caprylyl glycol, Scutellaria baicalensis extract, Polymethylsilsesquioxane, Disodium edta, Caprylic/capric glycerides, Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, Triethanolamine, Faex extract, Vitreoscilla ferment, Limonene, Adenosine, Linalool, Stearyl alcohol, Myristyl alcohol, Geraniol, Silica, Citronellol, Ethylhexylglycerin, Ci 77491, Unknown, Algae extract, Saccharide isomerate, Benzyl alcohol, Citral, Sodium carrageenan, Potassium sorbate, Maris sal, Parfum, Unknown

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
	BIOTHERMBlue Therapy Multi-Defender SPF25 Normal to Combination SkinYOUR PRODUCT	VichyLiftActiv Supreme Intensive Corrective Anti-Wrinkles & Firming Care Dry to Very Dry Skins SPF30	The SaemEco Earth Light Sun Cream	CetaphilDaily Oil-Free Facial Moisturizer With Sunscreen Spf 35 For Sensitive, Combination Skin, 3 Ounces
Match	—	91%	85%	84%
Price	$65.35	$36.34−$29.01	$15.30−$50.05	$14.92−$50.43
Shared key ingredients	—	7 of 12	6 of 12	6 of 12
Key difference	—	Homosalate	Tinosorb S	Panthenol
Irritancy	High	Medium	Medium	Medium
SPF	SPF 25	SPF 30	SPF 50	SPF 35
Drying alcohol	Contains drying alcohol	Contains drying alcohol	—	—
	View product	Shop	Shop	Shop

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Product summary

"BIOTHERM - Blue Therapy Multi-Defender SPF25 Normal to Combination Skin" "is a broad spectrum sunscreen meaning that it protects both from UVB rays (" burning "- they cause sunburn) and UVA rays (" aging "- they don't cause sunburn but lead to premature aging and pigmentation issues). However, this moisturizer does not offer enough sun protection. We recommend to use a sunscreen with at least SPF 30 daily.

It contains good moisturizing ingredients and can double as a hydrating day cream. Like all broad-spectrum sunscreens, this product has an anti-aging benefit.

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: avobenzone 1.90% - 2.40%, octisalate 2.50% - 3.00% and octocrylene 4.40% - 5.40%.

Irritation risk

This moisturizer contains a bunch of common irritants, including ingredients that do not provide any known benefit for the skin. It might not be the best choice if your skin is sensitive. We assess the overall irritancy of this moisturizer to be high. 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.