Sodium Tamanuseedate
AKA “Sodium tamanu oil, Tamanu oil sodium salt
Fatty Acid
Ingredient Facts
Sodium tamanuseedate
AKA: Sodium tamanu oil, Tamanu oil sodium salt
Fatty Acid · Cleansing · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Fatty Acid
Clean
Sodium Tamanuseedate is the sodium salt of the fatty acids derived from Calophyllum Inophyllum Seed Oil Science: Origin: Botanic/Natural | Functions: Cleansing, Surfactant - Emulsifying, Viscosity Controlling Safety Ratings: CIR: Safe as used
Plant Part
Seed
CAS #
-
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Surfactant Emulsifying
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Mixes oil and water
Controls product thickness
Traditional Use
Rare synthetic saponified ingredient derived from tamanu oil, a traditional medicine in Pacific island cultures. Created in the 20th century to incorporate tamanu's historical uses for wound healing and skin regeneration into modern cosmetics.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR