Step 1: To create the best canvas for your color, we recommend lightening your hair using our GDY Lightening Kit. Semi-permanent dye shows up best on level 10 light blonde hair.

Step 2: Squeeze your color into the GDY Biodegradable Tool Kit. Wear gloves to prevent staining hands!

Step 3: Do a strand test before applying the color all over to ensure you love the look!

Step 4: Divide your hair into 4 equal sections and apply dye directly onto dry hair. Make sure the color is fully saturated!

Step 5: Let the color sit for at least 30 minutes.

Step 6: Rinse with cool water, no shampoo or conditioner required! Style as desired, u hottie ;)

Allow at least 24 hours before your first shampoo. 

Rinse hair with cool water each time you wash to minimize fading process. 

Reduce hair washing days to extend color.

Killswitch is a steely blue color that will fade more on the blue side.

Even though this is a darker color, it is important to pre-lighten the hair to a level 10 blonde to show the true color.

Depending on how often you wash your hair, Killswitch will last anywhere from 4-6 weeks.

Want more tips? Email Hey@gooddyeyoung.com to ask our expert!