Scent notes
What does patchouli smell like in perfume
Patchouli in perfume can suggest earthy, woody, warm or slightly sweet depth. Its expression depends on the composition, so it should not be reduced to one stereotype or treated as a guaranteed dominant note.
A HUME Fragrance buying guide

Separate association from the whole perfume
You may connect patchouli with a familiar earthy smell, but floral, citrus or sweeter surroundings can create a different overall effect. Read the structure before predicting the result.
Listen for depth rather than a solo note
A perfume may use a patchouli impression as part of its later character. Not identifying it separately does not mean your experience is wrong or the listing is defective.
Avoid material assumptions
A listed patchouli note does not disclose natural oil content, processing or origin. Use specific documentation for those questions rather than relying on the descriptive name.
Try this before you buy
Compare a patchouli-listed fragrance before and after its opening changes, noting whether the later character feels earthy or warm.