Gloiopeltis tenax extract
AKA “Red algae polysaccharide extract
Extract
Ingredient Facts
Gloiopeltis tenax extract
AKA: Red algae polysaccharide extract
Extract · Antioxidant · EWG: 4
Plant-Derived
Antioxidant
Preservative
Extract
Clean
Gloiopeltis Tenax Extract is the extract of the alga, Gloiopeltis tenax. Science: Origin: Botanic/Natural | Process: Solvent Extraction | Functions: Antimicrobial, Antioxidant Safety Ratings: CIR: Safe as used
Family
Endocladiaceae
Plant Part
Whole Plant
Form
Liquid
See origin →
Functions
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
Fights acne
Causing bacteria
Neutralizes free radicals
Traditional Use
A red algae used in traditional East Asian cuisine and skincare; historically valued in Korea and China as a food ingredient and in folk beauty preparations, though scientific documentation of cosmetic use is recent.
Skin Types
all-skin-types
Best For
Moisturizer
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR
Gloiopeltis tenax extract — Duck Heart Ghost