Here are a couple of tips and ideas on how to get the look.

The big and bouncy

The most popular seventies hair styles were embodied by the like of Jerry hall, Joan Collins and Brigitte Bardot.
This look was simple yet undeniably glamorous.
It had been decades since woman had worn their hair long, tumbling down in all its glory and they embraced it whole heartedly using heated rollers to create huge waves.

The new bob

The Goldie Hawn-style bob was all the rage. A simple look, it was softer than many of the sixties versions.
With the hair caressing the face and having extra layering will add that all-important volume.
Again this style, although short, was all about softness and femininity, and with Marianne Faithfull and Jane Fonde leading the way. Who could resist?

The sweet and innocent

Probably the most famous of all seventies styles, this soft, straight look was an instant hit on the high street with softly styled, single length tresses, millions of women including the like of actress Natalie Wood; bond girl, Barbara Bach and actress, Jane Birkin.