As a former Love Island contestant spills the tea on love hopeful Ronnie Vint’s thickening hair secrets, we look at the best hair fibres men (and women) can shop to cheat a full head of hair As a former Love Island contestant spills the tea on love hopeful Ronnie Vint’s thickening hair secrets, we look at the best hair fibres men (and women) can shop to cheat a full head of hair Lifestyle