Works for:
based on ingredients and %- Moisturizing
- Anti-aging
Doesn't work for:
based on ingredients and %- Evens skin tone
Can it cause trouble?
- Irritation risk: high
- Comedogenic risk ingredients: 1
Key actives
Anti-aging
This product contains centella asiatica leaf extract. This ingredient might be able to help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness, but there is not enough evidence that it actually works.
A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. It can be irritating to sensitive skin. Might be helpful in preventing stretch marks. It could, however, itself be irritating.
Moisturizing
What does the product description say?
*Mederma Stretch Marks Therapy is clinically shown to increase the moisture content of the skin, thereby helping to keep skin more elastic and less apt to tear and form stretch marks.
Source: Walgreens
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:
cyclomethicone, 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: cyclomethicone, hydrolyzed collagen.
A type of silicone that leaves a nice silky finish on the skin and can help soften its upper layer
One of the best moisturizing ingredients. Attracts water into 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
A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin
A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
Helps attract water to the upper layer of the skin. Might have some anti-aging, anti-oxidant, and skin lightening properties, but solid evidence is missing
Used to soften the upper layer of the skin and create a thicker product consistency
Helps products spread more easily and works as an emollient to soften skin
Used to preserve products, dissolve other ingredients and create a nice product texture
Non-drying alcohol that helps water and oil mix together. Also serves as an emollient
Evens skin tone
What does the product description say?
*Mederma Stretch Marks Therapy is clinically shown to increase the moisture content of the skin, thereby helping to keep skin more elastic and less apt to tear and form stretch marks.
Source: Walgreens
Effective ingredients missing or their concentration is too low
Helps attract water to the upper layer of the skin. Might have some anti-aging, anti-oxidant, and skin lightening properties, but solid evidence is missing
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Moisturizing | |
| Evens skin tone |
Total Promises Fulfilled score: 37/100.
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Potential irritants
Comedogenic ingredients
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Key Actives
A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. It can be irritating to sensitive skin. Might be helpful in preventing stretch marks. It could, however, itself be irritating.
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 type of silicone that leaves a nice silky finish on the skin and can help soften its upper layer
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin
Potential irritants
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
An aromatic blend of unspecified and possibly irritating ingredients
Used to preserve products, dissolve other ingredients and create a nice product texture
Helps water and oil in the product mix well together and improves product texture
A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.
A gelling agent that thickens the product consistency and leaves the skin with a velvety finish
A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. It can be irritating to sensitive skin. Might be helpful in preventing stretch marks. It could, however, itself be irritating.
Comedogenic ingredients
A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture
All ingredients
A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture
Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth
Helps products spread more easily and works as an emollient to soften 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
Used to preserve products, dissolve other ingredients and create a nice product texture
A type of silicone that leaves a nice silky finish on the skin and can help soften its upper layer
Used to soften the upper layer of the skin and create a thicker product consistency
Can be drying and contribute to skin irritation. Used in formulars to dissolve other ingredients, create a thinner product consistency or for its antibacterial properties
Non-drying alcohol that helps water and oil mix together. Also serves as an emollient
Helps water and oil in the product mix well together and improves product texture
A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.
An aromatic blend of unspecified and possibly irritating ingredients
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
A gelling agent that thickens the product consistency and leaves the skin with a velvety finish
Used to thicken product formulations and create gel-like textures
A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. It can be irritating to sensitive skin. Might be helpful in preventing stretch marks. It could, however, itself be irritating.
A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin
Helps attract water to the upper layer of the skin. Might have some anti-aging, anti-oxidant, and skin lightening properties, but solid evidence is missing
An umbrella term for the following three colorants: CI 77491, CI 77492, CI 77499. They might be able to offer some protection against visible light, but the degree of the protection is not clear
Ingredient list view
Water, Allium cepa bulb extract, Cetearyl alcohol, C12-15 alkyl benzoate, Dicaprylyl carbonate, Glycerin, Pentylene glycol, Cyclomethicone, Arachidyl alcohol, Alcohol, Behenyl alcohol, Arachidyl glucoside, Ethoxydiglycol, Cetearyl glucoside, Tocopheryl acetate, Parfum, Sodium hyaluronate, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Hydroxyethylcellulose, Disodium edta, Centella asiatica leaf extract, Hydrolyzed collagen, Hydrolyzed soy protein, Sodium hydroxide, Iron oxides