Caesalpinia spinosa gum
AKA: Tara Gum, Locust Bean Substitute
Plant-Derived Synthetic
Occlusive
Skin Conditioner
Clean
Tara gum. Caesalpinia Spinosa Gum is a plant material derived from the dried, gummy exudate of Caesalpinia spinosa, Leguminosae
CAS #
39300-88-4
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
Traditional Use
Extracted from the tara tree (Caesalpinia spinosa) native to the Andes, traditionally used by indigenous Peruvian and Bolivian peoples for food and medicinal purposes. Modern cosmetic use as a natural thickener and stabilizer replaces synthetic alternatives.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR