Summer can be hard on our hair, with the combination of sun exposure, humidity, chlorine and salt water all playing havoc on what were once glossy, easy-to-manage locks. From frizzing and dryness to colour fading and dullness, there’s no shortage of issues that the summer months can cause to our hair, and with so many products out there that promise to help, it can be confusing – and expensive – to know where to start.