Here are some tips to prevent dry scalp:
Avoid too hot of water when showering, the heat can really affect your scalp. Drink plenty of water to keep your skin hydrated; this also will help your scalp from drying out. A product you might want to try is Tonic Lotion by Bumble & Bumble. It detangles, softens, soothes scalp with Tea Tree Oil and Peppermint Extracts.