Waxes: Properties, Types and Cosmetic Applications

What Are Waxes?

Waxes are mixtures of hydrophobic organic substances of medium-chain length. They melt at temperatures ranging from approximately 40°C to 140°C without decomposition and re-solidify without significant chemical change. Their solubility and consistency are strongly dependent on temperature.

Types of Waxes

Waxes can be classified according to their origin into three main groups:

Animal Waxes
These are obtained from animal-derived sources and have traditionally been used in cosmetic and personal care formulations.

Vegetable Waxes
These are obtained from plants and are widely used as alternatives to animal-derived waxes in cosmetic formulations.

Mineral Waxes
These are derived from mineral sources and are commonly used where specific texture, consistency and stability properties are required.

Cosmetic Applications

Waxes are important formulation ingredients because their physical properties change with temperature. They can contribute to the consistency and structure of cosmetic products and are therefore commonly incorporated into formulations where a defined texture and solid or semi-solid consistency are required.

They can be found in various cosmetic products, including creams, balms, lip products, ointments and decorative cosmetics.

Why Are Waxes Important in Formulation?

The melting behaviour and temperature-dependent consistency of waxes make them useful for controlling the physical characteristics of a formulation. Selecting the appropriate type and concentration of wax allows formulators to influence the structure, texture and overall sensory properties of the finished product.

References

Cosmetic Formulation Principles and Practice – Heather A.E. Benson, Michael S. Roberts, Vânia Rodrigues Leite-Silva, Kenneth A. Walters.