Xyloglucan
AKA “Tamarind Seed Gum, Natural Polysaccharide Thickener
Humectant
Ingredient Facts
Xyloglucan
AKA: Tamarind Seed Gum, Natural Polysaccharide Thickener
Humectant · Humectant · EWG: 4
Synthetic
Humectant
Not Clean
Glucoxylan
CAS #
37294-28-3
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Locks In Moisture
Traditional Use
Plant-derived polysaccharide extracted from plant sources, developed for modern cosmetics as a thickening and stabilizing agent. No significant traditional use before its adoption in contemporary skincare formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
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: CosIng · EWG · CIR