Wella Koleston Perfect - 10/38

• We recommend that SKIN ALLERGY TEST is done 48 HOURS before coloring.
• These colors are for PROFESSIONAL HAIR COLORIST / HAIR DRESSERS.
• You have to buy DEVELOPER separately.

MIXING GUIDELINES :

Mix 1 Part of Koleston + 1 Part of Creme Developer

For example : 60 ml Koleston + 60 ml Creme Developer

To keep offering you the FREE & FAST postage we are sending the color flat box. It does not affects the condition of the colors. It just we are taking the color out from the box and flat packing the box in envelope. Instructions leaflet will there as well.