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If you've just washed your hair, wait until it's completely dry to work on your Farrah Fawcett locks. This is important as you'll be using a curling iron. Applying heat to wet hair can cause damage. Even if you've recently brushed your hair, run a brush through it before doing your Farrah Fawcett look. You want to make sure your hair is relatively tangle free so you'll be able to easily section and handle it throughout the process. Opt for a mouse that is volumizing and provides heat protection. The mousse will help your hair set as you curl it and the heat protectant is vital when curling your hair. It will help protect your hair from becoming damaged during the process. If you don't have mousse, or prefer not to use it, it's okay to simply use a heat protectant. However, while you can forego mousse, never forego the heat protectant as you do not want to damage your hair curling it. A staple of the '70s style is a middle part. Before you begin curling your hair, part it roughly in the middle of your head. This will help your hair really emulate Farrah Fawcett's. Separate the upper half of your hair using your fingers. Then, secure this hair with a clip. You will be curling your hair in sections to achieve Farrah Fawcett locks.

Summary:
Make sure your hair is dry. Brush out your hair. Apply mousse with a built in heat protectant. Part your hair in the center. Clip up the top part of your hair.