Geranium EO

• Antimicrobial & Antifungal Activity
• Anti‑Inflammatory & Antioxidant Effects
• Emotional Balance & Stress Support
• Skin Health & Sebum Balance
• Hormonal & Menstrual Support
• Insect‑Repellent Activity

A rosy‑green, harmonizing essential oil rich in monoterpene alcohols, widely used for skin balance, emotional regulation, antimicrobial protection, and hormonal support.

• Botanical family: Geraniaceae
• Plant type: Aromatic perennial shrub
• Parts used: Leaves & stems
• Primary extraction: Steam distillation (most common)
  Advanced extraction:
• Supercritical CO₂
• Microwave‑assisted hydrodistillation
• Solvent‑free microwave extraction
  These newer methods preserve thermolabile compounds and improve yield.

Sources:
Springer Food & Bioprocess Technology review (2025)
Saje aromatherapy overview (2025)

Geranium essential oil is dominated by monoterpene alcohols and esters responsible for its rosy, herbaceous aroma and broad bioactivity.

Major Constituents

• β‑Citronellol (20–35% typical range)
• Geraniol (10–20%, sometimes higher depending on region)
• Linalool
• Isomenthone
• Geranyl formate / Citronellyl formate (aromatic esters)

These compounds drive its antimicrobial, antioxidant, and mood‑balancing effects.

Sources:
Bali Essential Oil composition review (2025)
Pharmacia phytochemical review (2025)

1. Antimicrobial & Antifungal Activity
   Geranium oil shows strong activity against:

• Staphylococcus aureus
• E. coli
• Candida albicans
• Drug‑resistant Aspergillus strains

Mechanism: disruption of microbial cell membranes.

Sources:
Springer review – antimicrobial & food‑preservation potential (2025)
Molecules journal antifungal study (2023)
Saje clinical summary (2025)

2. Anti‑Inflammatory & Antioxidant Effects

• Strong free‑radical scavenging activity
• Reduces inflammatory markers in vitro
• Triterpenes + monoterpene alcohols contribute to cytoprotective effects

Sources:
Pharmacia review – antioxidant & anti‑inflammatory activity (2025)
Saje antioxidant literature summary (2015–2025)

3. Emotional Balance & Stress Support
   Human aromatherapy trials suggest inhalation may:

• Reduce anxiety
• Support emotional steadiness
• Modulate cortisol levels
• Interact with GABA pathways (geraniol + citronellol)

Sources:
Saje aromatherapy review (2025)
Essential oils therapeutic applications review (2021)

4. Skin Health & Sebum Balance
   Geranium oil is widely used for:

• Oily or combination skin
• Redness and irritation
• Minor wounds
• Balancing sebum production
• Supporting the skin barrier

Sources:
Saje skincare & sebum‑balancing overview (2025)
Bali Essential Oil formulation review (2025)

5. Hormonal & Menstrual Support
   Traditionally used for:

• PMS tension
• Mood swings
• Menstrual discomfort
  Modern aromatherapy research supports mild endocrine‑modulating effects.

Source:
Saje hormonal balance summary (2025)

6. Insect‑Repellent Activity
   Geranium oil and its monoterpenes show strong repellent effects against:

• Mosquitoes
• Whiteflies
• Grain pests

Sources:
International Journal of Tropical Insect Science (2020)
Journal of Pest Science (2015)