brow tint

Hey if someone could help me! I’m wanting to book on to a HD brow course initially I was going to train with HD brows them self but I’ve come across a highly defined brow course through the beauty academy ( I will attach a photo) I’m just wondering if anyone had trained with this academy or...

Surely someone must know a handy trick? What's the best thing to do when you have the odd tint stain on a wall, shelves, floor etc Tried bleach but it doesn't get rid of it that easily Any tips will do! Thanks!