Propanediol – Humectant, Solvent and Cosmetic Ingredient
What Is Propanediol?
Propanediol is a glycol used in cosmetics and personal care products as an alternative to conventional glycols.
It can be used as an alternative to ingredients such as propylene glycol (1,2-propanediol), butylene glycol, or glycerin, depending on the formulation requirements.
Functions in Cosmetic Formulations
Propanediol can perform several functions in a cosmetic formulation, including:
- Humectant – helps attract and retain moisture.
- Solvent – helps dissolve and incorporate other ingredients.
- Emollient – contributes to skin feel and softness.
- Hand-feel modifier – can improve the sensory properties of a formulation.
- Viscosity enhancer – can contribute to the desired consistency.
- Botanical extraction and dilution – can be used during the preparation of botanical ingredients.
- Carrier for active ingredients – helps incorporate selected functional ingredients into formulations.
- Ingredient in natural esters and ethers.
- Component of natural preservative systems.
Cosmetic Applications
Because of its versatility, propanediol can be incorporated into a wide range of skin care, hair care, and personal care formulations. Its combination of humectant, solvent and sensory properties makes it useful when developing formulations that require a multifunctional glycol with a pleasant skin feel.
Ingredient Information
INCI Name: Propanediol
References
Dweck, Anthony. Handbook of Cosmetic Ingredients: Their Use, Safety and Toxicology (Dweck Books 5).
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