Inonotus Obliquus Extract

Inonotus obliquus extract is derived from a medicinal fungus that grows on birch trees in northern regions. The extract is rich in polysaccharides, polyphenols, and triterpenes — compounds that have been studied for their potential antioxidant and skin-conditioning properties.In skincare formulations, it functions primarily as a skin conditioner, typically used at concentrations between 59% and 70% in extract form, though it appears in only a small proportion of commercial skincare products.

The extract's proposed mechanisms centre on its bioactive compounds. The polysaccharide-rich fraction appears to inhibit the formation of advanced glycation end products (AGEs) — harmful compounds formed when proteins and sugars interact, which contribute to skin ageing and reduced elasticity. The polyphenols and other antioxidant compounds work by scavenging free radicals that would otherwise damage skin cell structures and proteins.Additionally, the extract may support skin barrier function and help reduce the activity of enzymes (such as matrix metalloproteinases) that break down collage…

Inonotus obliquus extract is most commonly found in serums, essences, and hydrating products rather than as a standalone treatment. When using products containing this ingredient, apply to clean skin before heavier creams or oils to allow adequate absorption. It can be used daily as part of your regular routine and combines well with other antioxidant ingredients and humectants.

Inonotus obliquus extract is generally well-tolerated and considered safe for topical use. Those with known sensitivities to fungi or mushroom-derived ingredients should perform a patch test before use.