Works for:
based on ingredients and %- Evens skin tone
- Anti-aging
- Anti-oxidation
- Exfoliation
Can it cause trouble?
- Irritation risk: high
- Comedogenic risk ingredients: 2
Key actives
Product Summary
"BIOTHERM - BLUE RETINOL NIGHT SERUM" is effective for: Exfoliation, Anti-blemish, Evens skin tone, Anti-aging and Moisturizing
Ingredient callouts
- this product contains an effective form of Retinoids (vitamin A): retinol 0.15% - 0.70%. Retinoids are potent multitasking actives. They work to improve and prevent early signs of aging, reduce hyperpigmentation (age spots and post-acne marks), and prevent inflamed blemishes and clogged pores. The downside of Retinoids is that they can be irritating. If you are not already using a Retinoid in your routine, it is best to start slowly and apply the Retinoid product only a few times per week. If your skin tolerates it well, you can gradually increase the frequency to daily.
- Adenosine 0.15% - 0.65%. It is a compound that in involved in many biological processes inside the skin cells. According one high-quality clinical trial, topical Adenosine in low concentrations can somewhat help improve "deep wrinkles" - the wrinkles that appear with age in places where our faces are most dynamic (for example, on the forehead or in the corners of the eyes).
- Humectants (sodium hyaluronate 0.30% - 0.70% and glycerin 4.20% - 6.40%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.
Price
The product retails from 74.25CA$ up to 99.00CA$ in Canada and for 68.82£ in the United Kingdom.
For a detailed price comparison: click here.
Anti-aging
What does the product description say?
Every night, it targets wrinkles, even skin tone and skin quality to daily reveal a heathy and youthful skin.
Source: Biotherm CA
This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains retinol, 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.
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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)
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
Works as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.
Anti-blemish
This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide, retinol. These ingredients is used for treating acne and can have a noticeable effect.
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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
Anti-oxidation
This product contains antioxidants (retinol) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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
Works as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.
Evens skin tone
What does the product description say?
Every night, it targets wrinkles, even skin tone and skin quality to daily reveal a heathy and youthful skin.
Source: Biotherm CA
This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: retinol.
In addition, this product contains niacinamide. This ingredient (ingredients) might help reduce hyperpigmentation, but the effect, if any, is likely to be small.
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.
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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
Exfoliation
This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: retinol.
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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:
glycerin, sodium hyaluronate.
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: glycine soja oil, isononyl isononanoate.
The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide
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
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
A good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.
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 products spread more easily and works as an emollient to soften skin
Helps soften the upper layer of the skin while creating a non-greasy feel on the skin. Helps to dissolve other ingredients
Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness
Used to preserve products, dissolve other ingredients and create a nice product texture
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin
Helps preserve products and creates a nice product texture
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
Works as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.
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
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Anti-aging | |
| Evens skin tone |
Total Promises Fulfilled score: 100/100.
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Potential irritants
Comedogenic ingredients
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 BIOTHERM BLUE RETINOL NIGHT SERUM | Current | $68.20 | |
La Roche-Posay Retinol B3 Anti-Wrinkle Serum | 96% | $30.00 | |
Unicskin UnicWrinkle-Stop Serum | 96% | - | |
 innisfree Retinol Cica Repair Ampoule Mini | 94% | $20.80 | |
 SKIN&LAB Vitamin C Brightening Serum | 92% | $13.89 | |
 Dr Dennis Gross Ferulic + Retinol Wrinkle Recovery Overnight Serum | 91% | $72.00 |
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
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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)
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 good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
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
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
A common frangrance that can easily irritate skin, especially if exposed to air, light or heat
An aromatic blend of unspecified and possibly irritating ingredients
Used to preserve products, dissolve other ingredients and create a nice product texture
A good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
Helps preserve products and creates a nice product texture
Used to improve stability of the formulation
Comedogenic ingredients
A good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.
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
Forms a protective film on the surface of the skin to prevent moisture loss. Gives a velvety feel to products while reducing tackiness
Produces temporary toning effect. Can help dissolve other ingredients or preserve products
Used to preserve products, dissolve other ingredients and create a nice product texture
Helps soften the upper layer of the skin while creating a non-greasy feel on the skin. Helps to dissolve other ingredients
A good emollient that helps soften the skin and helps repair its barrier function. It can clog pores if used in high concentrations.
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
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Works as a humectant helping to attract water to the upper layer of the skin and might be effective as an anti-oxidant.
Helps products spread more easily and works as an emollient to soften skin
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
Two steps removed from the active form of vitamin A - retinoic acid. Once converted to the retinoic acid in the skin, retinol is proven to be effective against all signs of aging. It improves skin cell turnover, helps fight blemishes and clogged pores, can regulate excess oil production and even skin tone. It can, however, be quite irritating
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)
Used to create a thicker product consistency
A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin
Helps preserve products and creates a nice product texture
Used to improve stability of the formulation
Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin
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
Used to increase stability of product formulations
A preservative. It helps prevent bacterial growth in cosmetic products
A common frangrance that can easily irritate skin, especially if exposed to air, light or heat
An aromatic blend of unspecified and possibly irritating ingredients
Ingredient list view
Water, Glycerin, Isononyl isononanoate, Alcohol denat., Pentylene glycol, Dicaprylyl ether, Glycine soja oil, Niacinamide, Propylene glycol, Peg-6 caprylic/capric glycerides, Alaria esculenta extract, Macrocystis pyrifera extract, Unknown, Dicaprylyl carbonate, Glyceryl isostearate, Ppg-6-decyltetradeceth-30, Sodium hyaluronate, Sodium hydroxide, Retinol, Adenosine, Ammonium polyacryloyldimethyl taurate, Caprylic/capric triglyceride, Caprylyl glycol, Vitreoscilla ferment, Trisodium ethylenediamine disuccinate, Xanthan gum, Butylene glycol, Tocopherol, Pentaerythrityl tetra-di-t-butyl hydroxyhydrocinnamate, Potassium sorbate, Sodium benzoate, Phenoxyethanol, Linalool, Geraniol, Limonene, 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
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Retinoids in the treatment of skin aging: an overview of clinical efficacy and safety
- Improvement of naturally aged skin with vitamin A (retinol)
- A comparative study of the effects of retinol and retinoic acid on histological, molecular, and clinical properties of human skin
- Evaluation of anti-wrinkle efficacy of adenosine-containing products using the FOITS technique
- Safety Assessment of Acryloyldimethyltaurate Polymers as Used in Cosmetics
- Vitamin E in dermatology
- Vitamin E and Skin Health
- Safety Assessment of Pentaerythrityl Tetra-Di-t-Butyl Hydroxyhydrocinnamate as Used in Cosmetics
- Annex I: Clinical evidence regarding sensitisation to individual fragrance chemicals and to natural extracts