All of us in the UK are patiently waiting for our next hairdressers' appointment, longing for a transformation for 2021. Until then, an at home salon treatment will have to suffice. Although, when hair salons finally open their doors again, why not try out one of the hairstyles set to be a hit in 2021. Some of the current trending hair styles include.  Return to Retro  The iconic retro 70s..