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Magnesium Myristate
AKA “Magnesium tetradecanoate, Tetradecanoic acid, magnesium salt, Myristic acid, Magnesium bis(tetradecanoate), SATINEX, UNII-Z1917F0578”
Synthetic
Ingredient Facts
Magnesium myristate
AKA: Magnesium tetradecanoate, Tetradecanoic acid, Magnesium salt, Myristic acid, Magnesium bis(tetradecanoate), SATINEX, UNII-Z1917F0578
Synthetic · Anticaking · EWG: 4
Synthetic
Synthetic
Clean
A mineral-derived powder that keeps formulas smooth and blendable while giving products a silky, opaque finish.
Formula
C28H54MgO4
Mol. Weight
479.00
CAS #
4086-70-8
Form
Powder
See origin →
Functions
Anticaking
Opacifying
Viscosity Controlling
Anti-Inflammatory
Fights Acne
Antioxidant
Protects skin from free radical damage caused by UV, pollution, and stress
Prevents clumping
Creates creamy opacity
Controls product thickness
Traditional Use
A synthetic salt of myristic acid developed in the 20th century for use as a thickening and opacifying agent in cosmetic formulations. No traditional use exists for this compound.
Skin Types
●all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Myristic acid reduces skin inflammation and nociception.
Alonso-Castro AJ, Serrano-Vega R, Pérez Gutiérrez S, Isiordia-Espinoza MA, Solorio-Alvarado CR
Journal of food biochemistry, 2022
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Final Report of the Amended Safety Assessment of Myristic Acid and its Salts and Esters as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
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Final Report on the Safety Assessment of Oleic Acid, Lauric Acid, Palmitic Acid, Myristic Acid, and Stearic Acid
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
→
Magnesium Myristate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Methyl Myristic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Myristic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
Magnesium Myristate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Myristic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR