(And if you’re looking for more hair-care recommendations, read my guides to best shampoos and conditioners ... so you can pick one that takes your fancy. If budget is an important factor ...

Loaded with biotin — an essential B vitamin that assists in keratin production — this $9 shampoo is designed to be gentle as it adds noticeable oomph to your ‘do. “This is the best shampoo I’ve ever ...