Milbon No.4 Signature Smooth Weekly Booster For Medium Hair NEW IN PACKAGING! Authentic! Comes with 4 vials of at home weekly booster treatment Milbon Signature Smooth No.4 Weekly booster For medium hair Professional deep conditioning treatment Immediately improves hair’s texture Leaves hair feeling silky-smooth and soft Measurements: 9g/ 3.2OZ x 4pcs All new, never opened, never used.