This is dervied from New Latin Ulotrichi (plural) which means division of humankind having crisp or woolly hair. Hence Ulotrichous means, the condition of having “ulotrichy* (Having crisp or woolly hair*. In general, it is used to describe a condition of “having curly hair” also.
Also, it may be noted that “study of hair and scalp” is known as “trichology” and in some geographies, this is evolved as para medical system.
>His ulotrichous coiffure (Which means, a person’s hairstyle) stood out among the crowd