Good Cosmetic Ingredient NOAEL Data

Cashew Seed Oil

INCI: ANACARDIUM OCCIDENTALE SEED OIL

CAS Number
8007-24-7
Function
Skin conditioning agent; emollient; occlusive; skin-softening
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Expert Panel reviewed Anacardium occidentale (cashew) seed oil as part of the Plant-Derived Edible Oil / Vegetable Oil Group (173rd Panel Meeting, June 2025, draft stage). The broader CIR 2017 safety assessment of 244 plant-derived fatty acid oils concluded they are safe as used in cosmetics. No independent final CIR monograph published as of Feb 2026.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

4 study endpoints found for Cashew Seed Oil. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
LOAEL 50 mg/kg bw/day oral mouse oral REACH
NOAEL 100 mg/kg bw/day oral rat oral REACH
NOEL 500 ppm oral rat oral REACH
NOAEL 161.657424927 mg/kg bw/day oral rat oral REACH

Expert Verdict

Well-tolerated plant oil with favorable fatty acid profile (oleic/linoleic dominant) and established food-grade safety; refined seed oil is distinct from hazardous shell liquid; primary concern is residual nut protein in non-fully-refined grades for allergy-prone consumers.

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Concern Level: Low

Regulatory Flags

tree-nut-allergy-caution cir-review-in-progress comedogenic-low not-cnsl edible-oil-origin carrier-oil

Frequently Asked Questions

Is Cashew Seed Oil safe in cosmetics?

Well-tolerated plant oil with favorable fatty acid profile (oleic/linoleic dominant) and established food-grade safety; refined seed oil is distinct from hazardous shell liquid; primary concern is residual nut protein in non-fully-refined grades for allergy-prone consumers. The EU classifies Cashew Seed Oil as "permitted". Safety rating: GOOD. 4 toxicological study endpoint(s) are available in our database.

Is Cashew Seed Oil allowed in the EU?

Cashew Seed Oil EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Cashew Seed Oil do in cosmetics?

Cashew Seed Oil functions as: Skin conditioning agent; emollient; occlusive; skin-softening. It is classified as a cosmetic ingredient in our database. CAS number: 8007-24-7.

What is the Margin of Safety for Cashew Seed Oil?

adequate 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.

What is the NOAEL for Cashew Seed Oil?

The NOAEL (No Observed Adverse Effect Level) for Cashew Seed Oil is 50 mg/kg bw/day based on a oral study via oral route in mouse. A total of 4 study endpoints are available. Source: REACH.

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