1,3 Propanediol

1,3‑Propanediol is a versatile, plant‑based glycol widely used in natural and sustainable cosmetic formulations. Derived from renewable corn sugar fermentation, it serves as a multifunctional ingredient offering excellent moisturization, improved texture, and enhanced performance in skincare, haircare, and personal care products. Its eco‑friendly origin and gentle profile make it a preferred alternative to petroleum‑based glycols such as propylene glycol.

Technical Information

• INCI Name: Propanediol
• CAS Number: 504‑63‑2
• Appearance: Clear, colorless liquid
• Odor: Neutral, faintly sweet
• Solubility: Miscible in water and alcohol
• pH Range: 6.0 – 7.5
• Boiling Point: ~214 °C
• Flash Point: > 100 °C
• Origin: Bio‑based, derived from corn glucose fermentation
• Functionality: Humectant, solvent, viscosity reducer, preservative booster

Usage Information

• Moisturizing Agent: Acts as a humectant, drawing water into the skin for long‑lasting hydration.
• Solvent: Enhances solubility of active ingredients, essential oils, and botanical extracts.
• Texture Enhancer: Improves spreadability and sensory feel in creams, lotions, and serums.
• Preservative Booster: Works synergistically with natural preservatives to increase efficacy.
• Applications:
  • Facial creams and serums
  • Hair conditioners and shampoos
  • Deodorants and body sprays
  • Cleansers and toners
  • Sunscreens and BB creams

Recommended Usage Rate: 1–10% depending on formulation type.
Compatibility: Stable with most cosmetic actives, surfactants, and emulsifiers.