What is the expiration date for opened/unopened products?

To make sure the products are effective, please be guided on the expiration date.

• Unopened - Revel lasts up to 2 years unopened, stored in a cool dry place. 
• Opened - Best to use your products within 12 months once you've opened it. (Remember: Make Room in the Fridge. Cool temperatures can extend the shelf life of some products )