Works for:
based on ingredients and %- Anti-aging
- Evens skin tone
- Moisturizing
- Anti-blemish
Doesn't work for:
based on ingredients and %- Sun protection
Can it cause trouble?
- Irritation risk: high
- Comedogenic risk ingredients: 1
Key actives
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.
Price
The product retails for 49.43£ in the United Kingdom.
For a detailed price comparison: click here.
Works for
Does not work for
Anti-aging
What does the product description say?
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.
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
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)
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
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
Anti-blemish
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.
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
Evens skin tone
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).
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
Moisturizing
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
Yeast extract. Helps attract water to the upper layer of the skin
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
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
A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss
Helps attract water to the upper layer of the skin
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
Help soften the upper layer of the skin
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)
A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together
Helps preserve products and creates a nice product texture
Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness
Helps oil and water mix together while softening the upper layer of the skin
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Non-drying alcohol that helps water and oil mix together. Also serves as an emollient
An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together
Helps to stabilize the product formulation while softening the upper layer of the skin. Can be irritating
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
Anti-oxidation
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.
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
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)
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
Sun protection
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.
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
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.
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
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Sun protection | |
| Anti-aging |
Total Promises Fulfilled score: 75/100.
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Potential irritants
Comedogenic ingredients
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 BIOTHERM Blue Therapy Multi-Defender SPF25 Normal to Combination Skin | Current | $49.43 | |
 Vichy LiftActiv Supreme SPF30 | 91% | $24.95 | |
The Saem Eco Earth Light Sun Cream | 85% | $15.30 | |
 Cetaphil Daily Oil-Free Facial Moisturizer With Sunscreen Spf 35 For Sensitive, Combination Skin, 3 Ounces | 84% | $14.92 | |
![Nordic Ageless [AJATON] Radiant Youth SPF30 Day Cream](/_ipx/q_80&f_webp&fit_inside&s_160x160/https://image-delivery.nyc3.cdn.digitaloceanspaces.com/full/4fe35d2ae0b5d41870db74fd869d2f83.jpeg) Lumene Nordic Ageless [AJATON] Radiant Youth SPF30 Day Cream | 82% | $42.90 | |
 TEABLESS Antique Sun Essence | 82% | $16.56 |
Key Actives
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
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
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)
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
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
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
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.
Used to create a gel-like product texture, as well as to stabilize emulsions
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
A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss
Yeast extract. Helps attract water to the upper layer of the skin
Helps attract water to the upper layer of the skin
Potential irritants
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
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
A common frangrance that can easily irritate skin, especially if exposed to air, light or heat
Helps to stabilize the product formulation while softening the upper layer of the skin. Can be irritating
A preservative. Can be used to mask unpleasant smell. Can be irritating
An aromatic blend of unspecified and possibly irritating ingredients
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
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.
Helps oil and water mix together
Helps preserve products and creates a nice product texture
Used to adjust pH of the product and can help improve the product's smell
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
Comedogenic ingredients
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
All ingredients
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
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
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
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
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
Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness
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.
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
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
An emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together
Non-drying alcohol that helps water and oil mix together. Also serves as an emollient
A non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together
Used to create a gel-like product texture, as well as to stabilize emulsions
A preservative. It helps prevent bacterial growth in cosmetic products
Helps oil and water mix together while softening the upper layer of the skin
Helps oil and water mix together
Helps preserve products and creates a nice product texture
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
A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss
Used to increase stability of product formulations
Used to adjust pH of the product and can help improve the product's smell
Yeast extract. Helps attract water to the upper layer of the skin
A common frangrance that can easily irritate skin, especially if exposed to air, light or heat
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)
Helps to stabilize the product formulation while softening the upper layer of the skin. Can be irritating
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
A preservative. Can be used to mask unpleasant smell. Can be irritating
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
An aromatic blend of unspecified and possibly irritating ingredients
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
- Glycerol and the skin: holistic approach to its origin and functions
- Niacinamide - mechanisms of action and its topical use in dermatology
- Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- Vitamin E in dermatology
- Vitamin E and Skin Health
- Safety Assessment of Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate as Used in Cosmetics
- Evaluation of anti-wrinkle efficacy of adenosine-containing products using the FOITS technique
- Cosmetic allergy from myristyl alcohol
- Contact Sensitization to Emulsifying Agents: An Underrated Issue?
- Patch testing with myristyl alcohol
- Annex I: Clinical evidence regarding sensitisation to individual fragrance chemicals and to natural extracts