Tea tree oil has a shelf life of between one and two years. If stored properly in a cool, dark place, it will last for closer to two years. However, even if it is stored poorly, it will likely stay useful for a year or more.
How do you know when tea tree oil goes bad?
How can you tell if your essential oil is expired?
- the smell of the oil has changed since you first opened the bottle.
- the color has changed, or it has become cloudy.
- the consistency is thicker or thinner than it was when you opened it.
How long is tea tree oil effective?
A tea tree oil shampoo used for four weeks has been shown to be effective at treating dandruff. Athlete's foot. A tea tree oil cream, applied twice daily for one month, has been shown to be effective in relieving symptoms of athlete's foot. Lice.
