Oakmoss
Evernia prunastri
A rich, complex absolute extracted from tree lichen. Prized in perfumery as a fixative with a deep, forest-like aroma. Known skin sensitizer — use at very low concentrations per IFRA guidelines.
Aroma Profile
Deep, rich, mossy, earthy, bark-like aroma with damp forest floor character and subtle sweet leather undertones.
Strength: strong
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Therapeutic Properties
Chemistry
Primary Constituents
Atranorin, chloroatranorin, evernic acid, usnic acid, orcinol depsides
Emotional & Psychological
Deeply grounding and stabilizing. Creates a sense of connection to nature and the forest. Helps with feeling ungrounded, scattered, or disconnected from the body. Promotes a meditative, contemplative state.
Physical Therapeutic Uses
Primarily used as a perfumery fixative. Limited therapeutic applications due to sensitization risk. Mild antiseptic properties. Used historically for respiratory support.
Safety Profile
Contraindications
Known sensitizer — do not use on damaged or sensitized skin. Avoid with eczema, contact dermatitis, or fragrance sensitivity. Max 0.1% dermal.
Drug Interactions
None well established.
Pet Safety Notes
Avoid use around all pets.
Application Methods
How to Use This Oil
base note — evaporates slowly, lingers longest. Provides depth, warmth, and fixative qualities.
Common Ways to Use
Diffusion
Add 3-5 drops to a diffuser with water. Run for 30-60 minutes at a time with breaks. Ensure good ventilation.
Topical Application
Dilute to 0.1% in a carrier oil (jojoba, sweet almond, or coconut). Apply to desired area. Always patch test first.