BEST FOR DANDRUFF

Any hair expert will tell you beautiful hair starts with a healthy scalp. Earth Kind Tea Tree & Eucalyptus Shampoo Bar for Improved Scalp Health, £6.95, hollandandbarrett.com, has a sulfate-free formula that won’t strip natural oils, but also soothes itchy scalps, protects from flakes, and has an antimicrobial effect to reduce dandruff. A treatment and hair wash in one.