Common Name(s): Monostroma nitidum thallus extract,monostroma nitidum (green laver) whole thallus extract
DESCRIPTION
What It Does: Provides rhamnan sulfate marine polysaccharide,anti-inflammatory,marine humectant and skin-conditioning activity from natural plant source.
Why It's Used: Used for its rhamnan sulfate marine polysaccharide,anti-inflammatory,marine humectant activity derived from monostroma nitidum (green laver); supports skin health and vitality.
How It Works: Bioactive compounds from monostroma nitidum (green laver) whole thallus โ including polyphenols, flavonoids, and plant-specific phytochemicals โ deliver rhamnan sulfate marine polysaccharide,anti-inflammatory,marine humectant benefits.
Typically Found In: Marine skin care,anti-inflammatory products,marine hydrating formulas
TECHNICAL DETAILS
Primary Category: Active ingredient โ botanical
Secondary Functions: Skin conditioning,antioxidant,botanical active
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.1%โ5%
SOURCING & ETHICS
Vegan Status: Conditional - supplier confirmation required
Halal Status: Unverified - supplier confirmation required
Source Notes: Extract from monostroma nitidum (green laver); natural plant origin. [audit 2026-07-29 rev2: the record's own source_notes does not assert a non-animal origin, or instructs the reader to verify with the supplier; "yes" asserts knowledge the record does not hold. determination requires shariah-panel sign-off.]
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: Generally well tolerated; rare botanical sensitivity possible.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Good safety profile. ewg score: 1.
Works Well With: Other botanical extracts,antioxidants,humectants
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Monostroma nitidum is the commercial source of rhamnan sulfate โ a unique sulfated polysaccharide structurally distinct from fucoidans and carrageenans; rhamnan sulfate has documented anticoagulant, antiviral, and anti-inflammatory activities.
Last Verified: 2026-03-28
Primary Sources: Cosing database,inci dictionary