Anybody who has lightened their hair beyond its natural base (which causes dryness) - i.e. those who have bleached or lifted their hair.
Anybody with open hair cuticles - i.e. curly hair, dry and brittle hair, sensitive or damaged hair.
“Apply an almond-sized amount to your hand and massage into wet hair with your fingertips, focusing solely on the scalp and root area. The rich lather running through the mid lengths and ends is enough to cleanse the rest of your hair. Rinse out.” MW