Why to skin test
Reactions to hair colourants can occur for a very small number of people, in the same way that some individuals can react to a variety of foods and natural substances.
To deliver exceptional customer care we need to keep our clients safe .
We recommend you have a skin test prior to any scalp application.
Allergic reactions to hair colourants are extremely rare. Of those individuals who have the potential to react to a hair colourant, potential reactions can be detected by carrying out the Allergy Alert Test, as directed, 48 hours before.