Skin Allergy Test
Do a Skin Allergy Test on a small patch of skin 48 hours before every Colour Remover application.
Using soap and water, wash an area 1 inch in diameter behind the ear. Pat dry.
Wearing gloves, mix together a small amount of equal parts of Colour Remover.
Apply the Colour Remover mixture to the test area using an absorbent cotton tip applicator. Leave on for 48 hours without washing, touching or covering.