Glycerin ↗
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La-roche-posay
Moisturisers
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La Roche-Posay Effaclar H ISO-Biome is a non-greasy, intensely moisturising formulation for those with oily skin weakened by over-drying skincare products or medications. It soothes and restores the hydrolipidic film, helping to restore comfort and suppleness to the skin. Suitable for acne-prone skin and sensitivity. Key ingredients include Squalane to rebuild the protective hydrolipidic film. Glycerin replenishes hydration and strengthens barrier function. Pro-Vitamin B5 can help our skin to produce lipids that are important for a strong and healthy skin barrier. Niacinamide helps improve skin tone and texture, while also strengthening the skin barrier. Aqua Posae Filiformis, a unique prebiotic biomass from La Roche Posay Thermal Spring Water, is known to strengthen the skin barrier that helps support microbiome function. La Roche-Posay Thermal Spring Water is a real wonder of nature with its soothing, antioxidant properties. Non-comedogenic. Tolerance was tested on patients under oral Isotretinoin. Contains a fragrance. Dr Webster’s Recommendation: La Roche-Posay Effaclar H ISO-Biome is ideal for patients who are taking over-drying medications to treat acne, such as oral Isotretinoin. This treatment can be severely drying on the skin, making the skin sensitive and inflamed. It instantly hydrates, giving the skin a smooth texture, and it helps to restore the skin’s protective barrier.
Description from Dermastore curated catalogue · Recorded Aug 9, 2026. Product claims have not been independently verified.
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These studies concern ingredients listed or declared for this product. They do not establish that this exact formula reproduces a study result, dose or delivery method.
3 selected studies
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