Rosken Biomexa™ Probiotic Moisturiser

Rosken Biomexa™ Probiotic Moisturiser

Efficacy100/100IrritancyLow
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Works for

1 of 1 advertised claim delivered

Moisturizing
Paraffinum liquidum, Dimethicone + 4 more
Strong evidence
What the product description says
“BiomexaTM is dermatologically tested, and clinically proven to nourish and protect dry skin by doubling skin moisture levels in 2 hours.”
Source: Pharmacare

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, caprylyl glycol.

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: dimethicone, cetearyl alcohol.

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

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~1.7–2.5%
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~4.1–6.1%
Paraffinum liquidumHero· Emollient, OcclusiveEffect: HighMineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function~1.1–1.6%
Cetearyl alcoholKey active· EmollientEffect: MediumA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture~2.2–3.3%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.1–0.35%
Avena sativa kernel extractUnder-dosedEffect: HighAn effective moisturizing and skin barrier repair ingredient. Helps calm down inflammation and has some anti-oxidant properties~1.2–1.8%

Can it cause trouble?

Irritancy
5 flagged ingredients
Low risk
We flag 5 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Ceteareth-20Helps oil and water mix together. Has some emollient propertiesMedium~2.1–3.1%est.
EdtaHelp to stabilize the product formulationMedium~0.35–0.8%est.
BhaHelps preserve the product formulationMedium~0.15–0.55%est.
Tetrasodium edtaHelps to stabilize the product formulationMedium~0.1–0.35%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.1–0.35%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
Cetearyl alcoholA non-drying alcohol. Works as an emollient. Helps water and oil mix together and creates a nice product texture2/5~2.2–3.3%est.
Ceteareth-20Helps oil and water mix together. Has some emollient properties2/5~2.1–3.1%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~4.1–6.1%
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
Hydrogenated olive oil~3.6–5.4%
Formula
Cetearyl alcohol~2.2–3.3%
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
Ceteareth-20~2.1–3.1%
Comedogenic 2/5Irritant · medium
Irritation risk
Medium
Comedogenicity
2/5
Works for
Cleansing

Helps oil and water mix together. Has some emollient properties

More about Ceteareth-20
Dimethicone~1.7–2.5%
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
Avena sativa kernel extract~1.2–1.8%
Under-dosed
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationReduces rednessAnti-oxidation

An effective moisturizing and skin barrier repair ingredient. Helps calm down inflammation and has some anti-oxidant properties

More about Avena sativa kernel extract
Paraffinum liquidum~1.1–1.6%
Hero · Moisturizing
Irritation risk
Low
Works for
Moisturizing

Mineral oil. One of the most effective and well studied occlusive and emollient moisturizing ingredients. Helps reduce moisture loss in skin and repair skin barrier function

More about Paraffinum liquidum
Yogurt extract~0.5–1.2%
Formula
Irritation risk
Low
More about Yogurt extract
Edta~0.35–0.8%
Irritant · medium
Irritation risk
Medium

Help to stabilize the product formulation

More about Edta
Bha~0.15–0.55%
Irritant · medium
Irritation risk
Medium

Helps preserve the product formulation

More about Bha
Tetrasodium edta~0.1–0.35%
Irritant · medium
Irritation risk
Medium

Helps to stabilize the product formulation

More about Tetrasodium edta
Phenoxyethanol~0.1–0.35%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Caprylyl glycol~0.1–0.35%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Ingredient list view

Water, Glycerin, Hydrogenated olive oil, Cetearyl alcohol, Ceteareth-20, Dimethicone, Avena sativa kernel extract, Paraffinum liquidum, Yogurt extract, Edta, Bha, Tetrasodium edta, Phenoxyethanol, Caprylyl glycol

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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 4 studies and safety reviews.

  1. 1
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  4. 4
Rosken Biomexa™ Probiotic Moisturiser
RoskenBiomexa™ Probiotic Moisturiser

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