Gather ingredients. Shampoo for dry hair has ingredients that provide extra moisture and prevent the hair from getting too frizzy. Dry hair is also susceptible to getting damaged and broken, so this shampoo is made to strengthen the hair shaft. Pick up these ingredients from a health food store:
Chamomile tea
Liquid castile soap[1]
Olive oil
Tea tree essential oil
Peppermint essential oil
Rosemary essential oil