1, 3-Propanediol
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1,3-Propanediol
1,3-Propanediol is a multifunctional cosmetic ingredient commonly used as a natural-origin humectant, solvent, and formulation enhancer in modern skincare, haircare, and personal care products. Valued for its lightweight skin feel and excellent compatibility, it helps improve hydration while enhancing the performance and sensory profile of formulations.
Derived from renewable sources such as corn sugar fermentation, 1,3-Propanediol is frequently chosen as an alternative to petroleum-based glycols in clean beauty and naturally inspired formulations. It helps attract and retain moisture on the skin while also improving the delivery and dispersion of many cosmetic actives and botanical extracts.
Its silky, non-tacky skin feel makes it ideal for serums, creams, toners, mists, shampoos, conditioners, scalp products, and water-based formulations where a smooth elegant finish is desired. It can also help support preservative systems and improve overall formulation aesthetics.
Product Details
INCI: Propanediol
Appearance: Clear Colorless Liquid
Odor: Mild to Odorless
Solubility: Fully Water Soluble
Recommended Usage Rate: 1–20%
pH Stability: Broad pH Compatibility
Shelf Life: 24 Months Properly Stored
Storage: Store tightly sealed in a cool, dry location away from direct sunlight and moisture.
Formulation Notes
- Easily incorporated into the water phase of formulations.
- Compatible with a wide range of cosmetic ingredients including botanical extracts, peptides, humectants, and preservatives.
- Can improve solubility of certain actives and enhance sensory performance.
- Excellent for reducing tackiness often associated with glycerin-heavy formulations.
Common Applications
- Facial serums
- Creams and lotions
- Toners and facial mists
- Hair and scalp products
- Gel formulations
- Botanical extract systems
- Clean beauty formulations
- Preservative support systems
Why Formulators Love It
- Lightweight, elegant skin feel
- Natural-origin multifunctional ingredient
- Excellent humectant and solvent properties
- Helps improve texture and spreadability
- Widely used in modern clean beauty formulations
- Great alternative to traditional petroleum-derived glycols
This product is cosmetic grade and intended for external use only.
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