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How to wave your hair with a straightener
Apply a heat protectant.
Use your hands to collect and lift your dry hair, and evenly apply a heat protectant spray. This will help reduce heat damage from the straightener.
Be sure that you don't dampen your hair too much with the heat protectant spray. If you do, wait for your hair to naturally dry, or quickly blow dry your hair so you are working with dry hair.