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Description
Cetyl Palmitate is a naturally occurring wax ester formed by the esterification of cetyl alcohol and palmitic acid. It is a white, wax-like solid widely used as an emollient, consistency agent, viscosity modifier, lubricant, and texture enhancer in cosmetic, pharmaceutical, and personal care formulations. Cetyl Palmitate closely resembles the natural wax esters found in human sebum and was historically one of the principal components isolated from spermaceti wax obtained from sperm whales. Today, commercial Cetyl Palmitate is produced almost exclusively from sustainable vegetable-derived raw materials or synthetic sources.
Due to its excellent lubricity and silky sensory characteristics, Cetyl Palmitate is frequently incorporated into creams, lotions, lipsticks, sunscreens, foundations, hair conditioners, pharmaceutical ointments, and topical medicinal products. It improves spreadability, reduces greasiness, enhances skin softness, and contributes to stable emulsion structures. Because of its high oxidative stability and compatibility with numerous cosmetic ingredients, Cetyl Palmitate has become an important multifunctional wax ester in modern formulation science.
CAS Number
CAS Number: 540-10-3
Synonyms
Physical Properties
Cetyl Palmitate is supplied as white to off-white flakes, pellets, beads, or waxy granules. It is nearly odorless and possesses a smooth, wax-like texture. The material melts readily during formulation and contributes significantly to the consistency of cosmetic emulsions.
Typical characteristics include:
Its low melting range allows easy incorporation into the oil phase during manufacturing.
Chemical Properties
Cetyl Palmitate is a saturated wax ester composed of a long-chain fatty alcohol and a long-chain fatty acid linked by an ester bond. The absence of carbon-carbon double bonds contributes to excellent oxidative stability and long shelf life.
Important chemical characteristics include:
Because of its saturated composition, Cetyl Palmitate resists oxidation and rancidity under normal storage conditions.
Manufacturing Process
Commercial Cetyl Palmitate is manufactured through controlled esterification of purified cetyl alcohol with palmitic acid.
Typical manufacturing stages include:
Modern production commonly utilizes vegetable-derived feedstocks obtained from coconut oil and palm oil.
Mechanism of Action
Cetyl Palmitate functions primarily through physical mechanisms.
Within cosmetic formulations, it forms a smooth lipid film over the skin surface, reducing transepidermal water loss while improving softness and elasticity. In emulsions, it contributes to internal structural organization, increasing viscosity and enhancing product stability.
Its principal functions include:
In hair care products, it reduces fiber friction, resulting in smoother and more manageable hair.
Applications
Cetyl Palmitate is extensively utilized across numerous industries.
Cosmetic Industry
Hair Care
Pharmaceutical Industry
Personal Care
Advantages
Cetyl Palmitate provides numerous formulation benefits.
Limitations
Certain limitations should be considered.
