Macadamia ternifolia (Macadamia) seed oil
AKA “Macadamia Seed Oil”
Oil
Ingredient Facts
Macadamia ternifolia (Macadamia) seed oil
AKA: Macadamia Seed Oil
Oil · Emollient · EWG: 4
Plant-Derived
Emollient
Not Clean
Macadamia Ternifolia (Macadamia) Seed Oil is a cosmetic ingredient used as emollient.
Family
Proteaceae
Plant Part
Seed
Lifeform
Tree
Climate
Wet tropical
CAS #
128497-20-1 / 129811-19-4
Form
Oil
See origin →
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Used by indigenous Australians traditionally for skin and hair conditioning. The oil gained popularity in modern cosmetics in the 1980s for its similarity to skin's natural sebum and its rich content of monounsaturated fatty acids.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Macadamia)
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Concentration Guide
Industry Max
Industry typically uses up to 30.0% in leave-on products (21 products reported). Source: CIR Safety Assessment (CIR Seq 577).
Regulatory Agencies
Glyceryl Tripalmate/Palm Kernelate/Olivate/Macadamiate/Rapeseedate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Glycol Dipalmate/Palm Kernelate/Olivate/Macadamiate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrogenated Macadamia Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
Jojoba Oil/Macadamia Seed Oil Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macadamia Integrifolia Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macadamia Seed Oil Polyglyceryl-6 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macadamia Seed Oil Polyglyceryl-6 Esters Behenate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macadamia Ternifolia (Macadamia) Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macadamia Ternifolia Seed Oil
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macadamia Ternifolia Seed Oil PEG-8 Esters
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-16 Macadamia Glycerides
European Commission
EU Cosmetic Ingredient Database (CosIng)
Phytosteryl Macadamiate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyglyceryl-10 Decamacadamiate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Polyglyceryl-2 Tetrabehenate/Macadamiate/Sebacate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Macadamiaseedate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrogenated Macadamia Seed Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Jojoba Oil/Macadamia Seed Oil Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Macadamia Integrifolia (Macadamia) Nut Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Macadamia Seed Oil Polyglyceryl-6 Esters
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Macadamia Seed Oil Polyglyceryl-6 Esters Behenate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Macadamia Ternifolia Seed Oil
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PEG-16 Macadamia Glycerides
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Phytosteryl Macadamiate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Clinical Efficacy in Skin Hydration and Reducing Wrinkles of Nanoemulsions Containing Macadamia integrifolia Seed Oil.
Somwongin S, Chaiyana W
Nanomaterials (Basel, Switzerland), 2024
Clinical Efficacy in Skin Hydration and Reducing Wrinkles of Nanoemulsions Containing Macadamia integrifolia Seed Oil.
Somwongin S, Chaiyana W
Nanomaterials (Basel, Switzerland), 2024
Verified Jun 2026
Data: Kew POWO · CosIng · EWG · CIR