Henna works as a skin dye that can last up to three weeks. Brown henna comes from a plant, the leaves of which are crushed into a powder and mixed with essential oils and lemon juice to make the ...
It depends on the type of henna - brown is safe, while black 'henna' is definitely not safe. Semi-permanent vegetable dyes such as henna are recommended by the NHS as a safe alternative if you do not ...