Authentic oils should list the botanical name (e.g., Lavandula angustifolia for Lavender).
Ensure the bottle comes with a dropper or a built-in plastic "orifice reducer" to maintain seal integrity. Avoiding "Fragrance" Oils buying essential oils on ebay
Be wary of terms like "perfume oil," "nature identical," or "scented oil." Authentic oils should list the botanical name (e