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BUTYL ACETYL RICINOLEATE.

Optional CAS 140-04-5 / SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT

A chemically modified castor oil derivative that serves as a non-greasy emollient and plasticizer in skincare formulations. This acetylated compound demonstrates enhanced stability compared to raw castor oil while providing moisture retention and potential skin tone modulation benefits.

emollient plasticizer skin conditioning

Science

Creates a lightweight lipid barrier on skin surface to reduce transepidermal water loss while activating cellular proteasomal systems that break down tyrosinase enzyme, potentially influencing melanin production and skin pigmentation.


Research

Medium confidence
Effective range 0.01–10%
Optimal

5%

Key findings

  1. 01 Patent study (WO2015061512A1) showing proteasomal activation and tyrosinase degradation at 0.01-10% concentrations
  2. 02 Formulation research demonstrating emollient properties and moisture retention enhancement at 5-10% levels

Transparency

Not commonly dusted

Primarily used as a functional emollient and plasticizer rather than a marketing ingredient, making dusting unlikely


The Formula

Solubility
Oil
Optimal pH 5 – 8
0 7 14

Stability

Exhibits superior oxidative stability compared to unmodified castor oil due to acetylation. Maintains integrity under standard heat and light exposure with high boiling point and minimal volatility.

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

CIR Status
Not reviewed
Max tested
10%
Sensitization risk Low

FDA-approved as indirect food additive (21 CFR 175.105, 177.2600, 177.2800). Generally recognized as safe for cosmetic use up to 10% in leave-on products based on current usage practices.


Your Skin

Yes Normal
Yes Dry
No Oily
Yes Sensitive
Irritancy Low
Comedogenicity Moderate

Our Assessment

Optional

A competent emollient with moderate comedogenic potential that offers reliable moisture retention but lacks standout differentiating benefits.


Related

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References