A unique serum with a formula highly recommended for nourishing dry / dyed hair and adding shine & volume. Instructions for use: Drip the contents of 1 vial on pre-washed, damp hair and massage thoroughly to untangle hair. Leave in for 3-4 minutes, rinse with water and comb. It is recommend to use 1 vial once a week on freshly washed hair. Contains: 10X10 ml