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Propanediol

Propanediol
Also known as: 1,3-Propanediol · Zemea
HumectantSolvent

A plant-derived humectant that hydrates lightly and boosts active delivery.

Skin types
All types
Pore-clogging
Non-comedogenic
Use when
AM & PM
Concentration
1–15%
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
How to use

A supporting humectant ingredient. No special application needed.

Typical concentration: 1–15% in formulations