About this item
Special Features >> Bigen Speedy is excellent for darkening grey hair to meet your needs
Moderate Darkening > Grey hair can be signficiantly darkening in just 5 minutes
Gradual darkening > Grey hair can be gradually darkened via repeated applications with shortened color developing time
Perfect Darkening > Grey hair can be perfectly darkened by extending color developing time to 10-15 minutes
$25.68