Remove the cap and place the sticks in the bottle. Let the sticks absorbs for a few minutes, turn the sticks. Turn the sticks to renew the fragrance. You can control the duration of the liquid depending how frequently you turn the sticks. No animal testing. Made in Italy.100 ML – 4 to 6 weeks diffuse time approx.
250 ML – 4 month diffuse time approx.
1L – 8 months to 1 year diffuse time approx.