Macadamia Integrifolia (Macadamia) Nut Oil

INCI: MACADAMIA INTEGRIFOLIA SEED OIL (CURRENT PREFERRED INCI; HISTORICALLY LISTED AS MACADAMIA INTEGRIFOLIA NUT OIL)

CAS Number
438545-25-6 / 159518-86-2
Function
Emollient, skin conditioning
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - no specific restriction; macadamia is a recognized tree nut allergen under FALCPA for foods (cosmetic labeling should note nut origin for consumer safety)

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Tree nut allergen - individuals with macadamia or broader tree nut allergies should avoid; comedogenicity rating is low (~2); oxidative stability is moderate (benefits from antioxidant addition). High oleic acid content (50-67%); uniquely high palmitoleic acid (12-25%) giving a "cushiony" skin feel; excellent absorption; mimics the lipid profile of human sebum; golden yellow color; ideal for dry skin formulations

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Concern Level: Moderate

Regulatory Flags

plant-oil potential-allergen

Frequently Asked Questions

Is Macadamia Integrifolia (Macadamia) Nut Oil safe in cosmetics?

Tree nut allergen - individuals with macadamia or broader tree nut allergies should avoid; comedogenicity rating is low (~2); oxidative stability is moderate (benefits from antioxidant addition). High oleic acid content (50-67%); uniquely high palmitoleic acid (12-25%) giving a "cushiony" skin feel; excellent absorption; mimics the lipid profile of human sebum; golden yellow color; ideal for dry skin formulations The EU classifies Macadamia Integrifolia (Macadamia) Nut Oil as "permitted". Safety rating: MODERATE.

Is Macadamia Integrifolia (Macadamia) Nut Oil allowed in the EU?

Macadamia Integrifolia (Macadamia) Nut Oil EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Macadamia Integrifolia (Macadamia) Nut Oil do in cosmetics?

Macadamia Integrifolia (Macadamia) Nut Oil functions as: Emollient, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 438545-25-6 / 159518-86-2.

What is the Margin of Safety for Macadamia Integrifolia (Macadamia) Nut Oil?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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