Skip to content
Beginner1 week

Dilution Ratio Guide

Learn dilution ratio guide from scratch with a clear step-by-step workflow, recommended tools, safety guidelines, and expert tips.

home perfumersnatural cosmetics makers

Workflow

  1. Calculate Dilution Ratio

    30 min

    Determine safe concentration of essential oils in carrier based on product and IFRA limits.

  2. Weigh and Measure

    20 min

    Use scale for precision — combine concentrate and carrier in labeled glass container.

Tools Used

Checklist

0 / 8 completed

Loading your checklist…

Planning

Preparation

Safety

Execution

Quality

Documentation

Reference Materials

Dilution SafetyStandard

Most leave-on products stay at or below 3% total essential oil for general adult use.

PercentageFormula

Concentration (%) = (mass of EO ÷ total mass) × 100.

Product DilutionsTable

Typical ranges by product type.

ProductEO %Carrier
Parfum15–30%Ethanol
EdT5–15%Ethanol
Body oil1–3%Fixed oil
  • By Weight

    Always dilute by weight for reproducible batches across scale-ups.

  • Children and Elderly

    Use lower dilutions — consult certified aromatherapist for vulnerable groups.

  • Pregnancy

    Many EOs contraindicated — research each oil before use.

Safety Notes

  • Never apply undiluted essential oils to skin except under expert guidance.
  • Keep alcohol away from open flames during blending.

Explore related topics