Many states limit window tint to 35%, and some set the limit at 50 and even 70%. Worker holds a sample of tinted glass applied to cars. The two on the left exceed 24 percent and would be illegal ...

As a tint, I prefer to use Elf's Bronzing Drops, £12, which give a very even immediate tint that can be added to your moisturiser. But, as a quick-to-develop tan, I do like this.