Propanediol
Propanediol
Also known as: 1,3-Propanediol · Zemea
HumectantSolvent
“A plant-derived humectant that hydrates lightly and boosts active delivery.”
What it does
Propanediol is a diol derived from corn sugar fermentation. It is a lightweight humectant and solvent that draws moisture into the skin and improves the delivery of co-formulated actives. It has a cleaner skin-feel than glycerin (less sticky) and is popular in serums and essences as an alternative to butylene glycol.
Benefits
- Lightweight, non-sticky hydration
- Enhances penetration of actives
- Plant-derived — popular in clean beauty formulations
- Improves product texture and spreadability
How to layer
☀️ Morning routine
Cleanser
Toner
Serum
Moisturiser
SPF
🌙 Evening routine
Cleanser
Toner
Serum
Moisturiser
Face Oil
After cleansing, on damp skin, before serums
Good for
All skin
Works well with
How to use
A supporting humectant ingredient. No special application needed.
Typical concentration: 1–15% in formulations