Propanediol (1,3)
Benefits
- Effective humectant that attracts and retains moisture for lasting skin hydration
- Enhances the absorption and delivery of active ingredients into the skin
- Improves the skin feel and texture of formulations — reduces stickiness and heaviness
- Boosts the efficacy of preservatives, allowing lower preservative usage rates
- Excellent solvent for botanical extracts, fragrances, and actives
- Plant-derived and biodegradable — a more sustainable, skin-friendly alternative to propylene glycol
- Non-irritating and well-tolerated by sensitive skin types
Uses
- Serums, toners, and essences as a humectant and active delivery agent
- Moisturizers and creams to improve texture and skin feel
- Micellar waters and cleansing formulations
- Dissolving and solubilizing fragrance oils, extracts, and actives
- Preservative systems and broad-spectrum preservation boosts
- Hair care products including conditioners and leave-in treatments
- Deodorants and body sprays
How to Use
- Add Propanediol 1,3 to either the water or oil phase of your formulation — it is compatible with both.
- Use at 1–5% as a humectant and skin-feel enhancer in most formulations.
- Use at up to 10–15% as a solvent for dissolving fragrance oils, botanical extracts, or actives before incorporating into your formula.
- When used as a preservative booster, combine with your chosen preservative system and adjust usage rate as recommended by your preservative supplier.
- No heating required — can be incorporated at room temperature.
Safety
- For external use only — avoid ingestion
- Avoid direct contact with eyes; if contact occurs, rinse thoroughly with water
- Perform a patch test before use in new formulations, particularly for sensitive skin products
- Keep out of reach of children
- Store in a cool, dry place with lid tightly closed
Specifications
- INCI name: Propanediol
- Source: Plant-derived (corn sugar fermentation)
- Appearance: Clear, colorless liquid
- Odor: Odorless to very faint
- Solubility: Water and oil miscible
- pH: 6.0–8.0
- Recommended usage rate: 1–5% (humectant), up to 15% (solvent)
- Volume: ( 250ml, 500ml)
- Storage: Cool, dry place away from direct sunlight; keep container tightly closed
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