Hypersensitivity test (Skin allergy test)
As a qualified beautician It's a must to always perform a skin allergy test 2-24 hours before application when using any new henna paste/s. Similar to when dying hair or applying tanning lotions etc. And as there are so many different types of henna pastes out there whether they are coloured, glitter, dark or light, you should always ensure to test your skin first.
Here is how: