Whether you're lusting after waist-length, beachy summer waves or just want a half decent ponytail for once in your life, hair extensions can be the instant solution to all your long hair issues.

But, and this is a big but people, it's important to know what you're actually getting for your money. Because dodgy hair extensions and glue-damaged leftovers is so not hot.

We got in touch with the hair extension experts to get the lowdown on everything you need to know before you take the plunge. Consider your hair extension