When Does Loreal Hair Dye Expire?

According to manufacturers, unopened hair dye doesn't expire. They caution, however, that hair dye has a shelf life of about 3 years. After that period of time, hair dye may not work effectively. There's no evidence that old hair dye is dangerous to use.

Does Loreal products expire?

No! If your product is kept unopened and stored correctly (see above) it can stay in its drawer for 36 months. If you can't remember when you bought it, you can call the manufacturer's helpline - the product code contains information on when the product was made!

Where is the expiration date on hair dye boxes?

For Unopened Hair Dye

For unopened boxes of hair dye, you can tell it has expired based on the “Best Before” or “Use Before” date indicated on the packaging. There should be a month and year indicated when hair dye is still good to use.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.