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ACETYL TRIBUTYL CITRATE.

Valuable CAS 77-90-7 / FRAGRANCE, PERFUMING, PLASTICISER

Acetyl Tributyl Citrate is a versatile, phthalate-free ingredient used to improve the flexibility and durability of cosmetic formulations. It also functions as a solvent to enhance active ingredient solubility and provides skin-softening benefits.

Plasticizer Film Forming Solvent Emollient Fragrance Fixative

Science

This compound primarily acts as a plasticizer by embedding between polymer chains, increasing film flexibility and reducing brittleness. In skincare, it serves as an effective solvent and emollient, aiding in ingredient dispersion and imparting a soft feel to the skin, while also extending fragrance longevity.


Research

High confidence
Effective range ≤7%
Optimal

7%

Key findings

  1. 01 Clinical trials confirmed no skin irritation or sensitization at 7.0% in dermal contact products (CIR 2019).
  2. 02 Human skin sensitization tests were negative even at 100% concentration (CIR 2019).

Transparency

Not commonly dusted

The Formula

Solubility
Oil
Optimal pH 6.5 – 7.6
0 7 14

Stability

Stable under normal storage conditions, highly resistant to heat and light, with minimal hydrolysis (0.1% over 6 hours at 100°C).

Conflicts

  • Strong oxidizing agents
  • Strong acids
  • Strong bases

Safety

CIR Status
Safe as used
Max tested
7%
Sensitization risk Low

The CIR panel has deemed this ingredient safe for cosmetic use, positioning it as a preferred phthalate-free alternative. It shows a very low potential for irritation and sensitization.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

A versatile, safe ingredient enhancing product texture, active ingredient solubility, and skin conditioning with a low risk of irritation.


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