Cystoseira Humilis Extract ●
TL;DR. This ingredient is used mainly as a skin-conditioning extract, adding humectant, soothing, and antioxidant support to aqueous formulas. It is most often found in serums, gels, masks, and moisturizers rather than as a structural emulsifier or preservative.
What does Cystoseira Humilis Extract do in a cosmetic formula?
This ingredient is used mainly as a skin-conditioning extract, adding humectant, soothing, and antioxidant support to aqueous formulas. It is most often found in serums, gels, masks, and moisturizers rather than as a structural emulsifier or preservative.
Is Cystoseira Humilis Extract clean?
From a clean-beauty perspective, this ingredient is generally well accepted and not a common restricted-list concern. Quality control matters because marine-derived extracts can vary in mineral, iodine, microbiological, and trace metal content depending on sourcing and purification.
Is Cystoseira Humilis Extract sustainable?
This ingredient comes from renewable marine biomass, with a generally favorable biodegradability profile. The main sustainability question is harvest management, since wild collection should be controlled to protect coastal ecosystems and biodiversity.
Is Cystoseira Humilis Extract COSMOS-approved?
It can align with COSMOS-natural and COSMOS-organic when the biomass and extraction solvents meet the standard’s requirements. Its Green Chemistry fit is strongest when made with water, glycerin, or other approved low-impact solvents and processed without unnecessary solvent burden.
How does Cystoseira Humilis Extract work chemically?
This material is a complex extract containing sulfated polysaccharides, polyphenols, minerals, and small organic acids, so performance depends heavily on extraction method and standardization. Typical use levels are often around 0.1% to 5%, and it is best formulated in water-based systems with adequate preservation and pH conditions that maintain extract stability.
Last updated 2026-05-13