Plant Extracts

Aspalathus Linearis (Red Tea) Extract

INCI: ASPALATHUS LINEARIS EXTRACT
CAS 6027-43-6
Aspalathin is a member of the class of dihydrochalcones that is the 2-C-beta-D-glucopyranide of phloroglucinol and which is substituted at position 4 by a 3-(3,4-dihydroxyphenyl)propanoyl group. A metabolite of red bush, Aspalathus linearis (and present in the herbal tea made from the leaves), aspalathin exhibits significant hypoglycemic activity. It has a role as an antioxidant, a hypoglycemic agent, an EC 1.17.3.2 (xanthine oxidase) inhibitor and a plant metabolite. It is a C-glycosyl compound, a polyketide, a polyphenol, a member of catechols and a member of dihydrochalcones.
Limited Data
Insufficient safety data available. Consider enriching this ingredient.
Details

Description

Aspalathin is a member of the class of dihydrochalcones that is the 2-C-beta-D-glucopyranide of phloroglucinol and which is substituted at position 4 by a 3-(3,4-dihydroxyphenyl)propanoyl group. A metabolite of red bush, Aspalathus linearis (and present in the herbal tea made from the leaves), aspalathin exhibits significant hypoglycemic activity. It has a role as an antioxidant, a hypoglycemic agent, an EC 1.17.3.2 (xanthine oxidase) inhibitor and a plant metabolite. It is a C-glycosyl compound, a polyketide, a polyphenol, a member of catechols and a member of dihydrochalcones.

Purpose

Function

Skin conditioning, antioxidant, anti-inflammatory, soothing, photoprotective
Profile

Properties

Silicone
Silicone free
Compliance

Regulatory Status

EU
Permitted
Safety
EXCELLENT
US
Permitted
Absorptionlow
Sensitizationnone
MoSadequate
ConcernNone
Flags
antioxidantplant-derivedpolyphenol-richphotoprotectiveanti-inflammatoryskin-soothingtraditional-usecir-not-reviewedewg-low-hazarddata-limited
Verdict

Aspalathus linearis extract is approved for cosmetic use with excellent safety profile, minimal systemic exposure due to negligible dermal bioavailability, and no sensitization concerns identified.

US Note

CIR Expert Panel has not reviewed this ingredient. FDA recognizes it as a cosmetic ingredient without restriction. EWG Skin Deep scores all concerns LOW. Limited data available.

Assessment

Ratings

Comedogenic0/5
LowHigh
Irritancy0/5
LowHigh
Reference

Identifiers

CAS Number
6027-43-6
INCI
ASPALATHUS LINEARIS EXTRACT
Category
Plant Extracts
Updated
Apr 23, 2026