Cetyl Alcohol
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Cetyl alcohol, also known as 1-hexadecanol, is a fatty alcohol derived from natural sources such as coconut oil or palm oil. It is a waxy solid substance that is insoluble in water but soluble in oils and organic solvents. Cetyl alcohol belongs to the larger family of fatty alcohols, which are alcohols derived from fatty acids.
In its pure form, cetyl alcohol appears as white, crystalline flakes or beads with a mild, pleasant odor. It has a melting point of around 49-52 degrees Celsius (120-126 degrees Fahrenheit). Due to its waxy texture and chemical properties, cetyl alcohol is commonly used in cosmetic and personal care products as an emollient, thickening agent, and stabiliser.
Cetyl alcohol is a versatile ingredient in cosmetics, offering a plethora of benefits for skincare formulations. Acting as an emollient, cetyl alcohol deeply moisturises the skin, contributing to its softening and smoothing effects. Its thickening properties further enhance the texture of cosmetic products, improving their viscosity and consistency. Cetyl alcohol serves as an emulsifying agent, aiding in the stabilisation of oil-in-water emulsions, which prevents the separation of different phases and ensures the uniform distribution of ingredients. This not only enhances the stability of formulations but also improves their overall texture, providing a smooth and non-greasy feel upon application.
Cetyl alcohol plays a crucial role in retaining moisture in the skin, contributing to hydration and promoting healthy skin barrier function. Its compatibility with a wide range of cosmetic ingredients allows formulators to create diverse products, from luxurious creams to lightweight lotions and nourishing conditioners. Additionally, cetyl alcohol can be used to add opacity to formulations, making it ideal for certain types of creams where opacity is desired. Its ability to improve the spreadability of products on the skin further enhances the user experience, ensuring that skincare products glide effortlessly and evenly across the skin.
Cetyl Alcohol must be added to formulations in their heated oil phases. The higher the concentration of Cetyl Alcohol, the thicker the end product will be.
The recommended maximum dosage are:
Body Lotion: 3%
Face Cream: 6%
Face Wash: 6%
Face Mask: 6%
Body Wash: 6%
INCI Name: Cetyl Alcohol
CAS Number: 36653-82-4
Chemical Formula: C16H34O
Molecular Weight: Approximately 242.45 g/mol
Appearance: White, waxy solid in flake or pellet form.
Odour: Mild, characteristic odor.
Melting Point: Typically around 49–56°C (120–133°F).
Boiling Point: Approximately 344°C (651°F) at 760 mmHg.
Density: Approximately 0.809 g/cm³.
Solubility: Insoluble in water; soluble in oils and organic solvents.
Viscosity: Cetyl Alcohol contributes to the viscosity and texture of formulations.
Refractive Index: Typically around 1.45.
Flash Point: > 93°C (200°F)
Hydrophile-Lipophile Balance (HLB): Cetyl Alcohol is considered a lipophilic (oil-attracting) substance.
Function: Cetyl Alcohol is used in cosmetic and skincare formulations as an emollient, emulsifier, thickening agent, and stabiliser.
Usage Concentration: Typically used in formulations at concentrations ranging from 1% to 30%, depending on the desired properties and the specific product.
Stability: Cetyl Alcohol contributes to the stability of emulsions and helps prevent separation of oil and water phases in formulations.
Applications: Commonly found in creams, lotions, ointments, and various cosmetic products where its emollient and thickening properties are beneficial.