Deep-Conditioning 101 For Every Hair Type #refinery29 www.refinery29.co… Medium & Thick HairHave full, thick locks? Both hairstylists put an emphasis on adding some kind of heat component after applying your mask, as the warmth and steam will help open the hair cuticle and allow the conditioner to penetrate deeper into the strands. Apply once a week after shampooing. Amos recommends using a