A ceramic bowl of rose-brown hair dye with a tint brush, alongside glossy brunette hair and a beige towel, illustrating semi-permanent hair colour and the differences between semi, demi and permanent dye.

Semi-Permanent Hair Dye: How Long It Lasts, and Semi vs Demi vs Permanent

How semi-permanent hair dye works, how long it lasts, how it differs from demi-permanent and permanent colour, and how to make bright shades last longer.

— Charlotte Read