Nostoc Commune … Ferment Filtrate

This ingredient combines three plant-derived components: Nostoc Commune (a cyanobacterium rich in polysaccharides), Hydrangea Serrata leaf extract, and a fermented soybean filtrate. The fermentation process breaks down soybean compounds into smaller molecules that the skin may absorb more readily, whilst also generating bioactive metabolites.Together, these components function as a humectant (drawing moisture into the skin), a skin conditioner (supporting the skin's texture and suppleness), and an antioxidant (helping to neutralise free radicals that contribute to oxidative stress).

Nostoc Commune contains polysaccharides that act as humectants, binding water molecules and drawing them into the upper layers of the skin. Hydrangea Serrata leaf extract contains phenolic compounds with antioxidant properties. The fermented soybean filtrate delivers amino acids, peptides, and isoflavones—smaller molecules generated during fermentation that can more easily penetrate or condition the skin surface.Together, these components work to improve skin hydration levels, support the skin's natural moisture barrier, and provide protection against environmental stressors.

This ingredient is typically found in serums, essences, hydrating masks, and moisturisers. As a humectant, it works best in humid environments or when layered under an occlusive product (like a moisturiser or facial oil) to seal in hydration. It can be used daily as part of a morning or evening routine, and pairs well with other humectants or antioxidants like glycerol, hyaluronic acid, or vitamin E.

Generally well-tolerated and suitable for most skin types. Those with sensitivities to fermented ingredients or botanicals should patch-test first.