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BIOTHERM Stretchmark Prevention And Reduction Cream Gel
BIOTHERM

BIOTHERM Stretchmark Prevention And Reduction Cream Gel

Efficacy75/100IrritancyHigh
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Works for

1 of 1 advertised claim delivered

Moisturizing
8 ingredients credited for this claim
Good support
What the product description says
“With a subtle, refreshing fragrance that invigorates the senses, this cream gel is a delight to apply, offering both immediate hydration and long-term improvement in skin elasticity.”
Source: N/A

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.

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: butyrospermum parkii butter, caprylic/capric triglyceride.

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~2.2–3.3%
Butyrospermum parkii butterKey active· Emollient, OcclusiveEffect: HighA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~3.8–5.7%
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~3.9–5.8%
Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~1.8–2.7%
Centella asiatica extractKey activeEffect: HighA 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. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.85–1.3%
Cetyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol that works to soften the skin and stabilize product formulations helping oil and water mix together~0.8–1.2%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~2.2–3.4%
Glyceryl stearate· EmollientEffect: LowAn emollient that softens the skin and forms a protective layer on its surface. Helps water and oil mix together~1.4–2.2%
Anti-oxidation
Not advertised by the brand · 3 ingredients credited for this claim
Moderate support

This product contains antioxidants (centella asiatica 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.

Centella asiatica extractKey activeEffect: MediumA 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. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.85–1.3%
Butyrospermum parkii butterEffect: LowA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~3.8–5.7%
CaffeineEffect: LowMight be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyes~0.85–1.25%
Anti-aging
Not advertised by the brand · 2 ingredients credited for this claim
Moderate support

This product contains centella asiatica 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.

Centella asiatica extractKey activeEffect: MediumA 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. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.85–1.3%
Butyrospermum parkii butterEffect: LowA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals~3.8–5.7%

Can it cause trouble?

Irritancy
4 strong irritants: Parfum, Limonene + 2 more — patch-test recommended
High risk
We flagged 9 ingredients with irritancy potential. Severity depends on your sensitivity threshold; the table lists the worst offenders first.
IngredientFunctionIrritationEst. amount
ParfumAn aromatic blend of unspecified and possibly irritating ingredientsHigh~0.15–0.65%est.
LimoneneA common frangrance that can easily irritate skin, especially if exposed to air, light or heatHigh~0.05–0.25%est.
LinaloolA fragrance. Can be irritatingHigh~0.05–0.15%est.
CitralA fragrance with a lemon scent. A likely irritantHigh~0.05–0.15%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~1.8–2.7%est.
Centella asiatica extractA 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. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.Medium~0.85–1.3%est.
CaffeineMight be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyesMedium~0.85–1.25%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.15–0.55%est.
Disodium edtaStabilizes the product formulationMedium~0.1–0.4%est.
Comedogenic
2 ingredients rated 2 or more on the 0–5 pore-clogging scale
2 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
Butyrospermum parkii butterA great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals3/5~3.8–5.7%est.
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~2.2–3.4%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Water~40–60%
Formula
Irritation risk
Low

Plain old water

More about Water
Glycerin~3.9–5.8%
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
Butyrospermum parkii butter~3.8–5.7%
Key activeComedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
Works for
MoisturizingAnti-oxidationAnti-aging

A great moisturising ingredient that softens the skin and reduces water loss from its upper layer. It also can be helpful in protecting skin from free radicals

More about Butyrospermum parkii butter
Cetearyl alcohol~2.2–3.4%
Key activeComedogenic 2/5
Irritation risk
Low
Comedogenicity
2/5
Works for
CleansingMoisturizing

A non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture

More about Cetearyl alcohol
Dimethicone~2.2–3.3%
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
Caprylic/capric triglyceride~1.8–2.7%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

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

More about Caprylic/capric triglyceride
Glyceryl stearate~1.4–2.2%
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
Peg-100 stearate~1.3–1.9%
Formula
Irritation risk
Low
Works for
Cleansing

Helps oil and water mix togehter and creates a nice product texture

More about Peg-100 stearate
Centella asiatica extract~0.85–1.3%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Reduces irritationMoisturizingReduces rednessAnti-inflammatoryAnti-agingAnti-oxidationAnti-blemish

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. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.

More about Centella asiatica extract
Caffeine~0.85–1.25%
Irritant · medium
Irritation risk
Medium
Works for
De-puffingAnti-oxidation

Might be helpful in neutralizing free radicals. Can have a dehydration effect that might somewhat decrease the look of puffy eyes

More about Caffeine
Cetyl alcohol~0.8–1.2%
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
Phenoxyethanol~0.4–0.95%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Carbomer~0.35–0.85%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Sodium hydroxide~0.3–0.7%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Parfum~0.15–0.65%
Irritant · high
Irritation risk
High

An aromatic blend of unspecified and possibly irritating ingredients

More about Parfum
Acrylates/c10-30 alkyl acrylate crosspolymer~0.15–0.55%
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~0.1–0.4%
Irritant · medium
Irritation risk
Medium

Stabilizes the product formulation

More about Disodium edta
Xanthan gum~0.1–0.35%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Limonene~0.05–0.25%
Irritant · high
Irritation risk
High

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

More about Limonene
Linalool~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance. Can be irritating

More about Linalool
Citral~0.05–0.15%
Irritant · high
Irritation risk
High

A fragrance with a lemon scent. A likely irritant

More about Citral
Ingredient list view

Water, Glycerin, Butyrospermum parkii butter, Cetearyl alcohol, Dimethicone, Caprylic/capric triglyceride, Glyceryl stearate, Peg-100 stearate, Centella asiatica extract, Caffeine, Cetyl alcohol, Phenoxyethanol, Carbomer, Sodium hydroxide, Parfum, Acrylates/c10-30 alkyl acrylate crosspolymer, Disodium edta, Xanthan gum, Limonene, Linalool, Citral

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 10 studies and safety reviews.

  1. 1
    Glycerol and the skin: holistic approach to its origin and functionsncbi.nlm.nih.gov
  2. 2
    Dimethicone as a protective ingredient in topical medicationsjaad.org
  3. 3
    Final Report on the Safety Assessment of Dimethicone Copolyoljournals.sagepub.com
  4. 4
    Anti-Inflammatory Effect of Titrated Extract of Centella asiatica in Phthalic Anhydride-Induced Allergic Dermatitis Animal Modelmdpi.com
  5. 5
    Centella asiatica in cosmetologyncbi.nlm.nih.gov
  6. 6
    Triterpene Composition and Bioactivities of Centella asiatica mdpi.com
BIOTHERM Stretchmark Prevention And Reduction Cream Gel
BIOTHERMStretchmark Prevention And Reduction Cream Gel
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