Cassia angustifolia (Alexandrian Senna) seed polysaccharide
AKA “Alexandrian Senna Seed Polysaccharide
Ingredient
Ingredient Facts
Cassia angustifolia (Alexandrian Senna) seed polysaccharide
AKA: Alexandrian Senna Seed Polysaccharide
Ingredient · Skin Conditioning · EWG: 1
Plant-Derived
Skin Conditioner
Clean
Cassia Angustifolia (Alexandrian Senna) Seed Polysaccharide is a cosmetic ingredient used as skin conditioning. Rated low hazard by EWG.
Family
Fabaceae (Legume family)
Plant Part
Seed
Lifeform
Subshrub
Climate
Subtropical
CAS #
85187-05-9
Form
Powder
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Moisturizing
Boosts Collagen
Improves Elasticity
Softens and smooths skin
Traditional Use
Senna has been used in traditional Indian and Middle Eastern medicine for centuries as a laxative, with the seed component traditionally valued for its mucilaginous properties. Modern cosmetic use focuses on the polysaccharide extract for skin conditioning and thickening.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
1
CIR
Safe
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
ewg-1
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR