Laser Technician (International Board of Electrologist Certification) IBEC Board Exam

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When a vellus hair is stimulated to grow deeper and coarser, it is referred to as what?

Terminalization of hair
Accelerated vellus hair
Anagen progression
Follicular conversion

The correct answer is: Accelerated vellus hair

The process referred to when vellus hair is stimulated to grow deeper and coarser is known as terminalization of hair. Terminalization occurs when fine, soft vellus hairs undergo a transformation to become thicker, longer, and more pigmented terminal hairs. This change often happens in response to hormonal factors or certain types of stimulation, such as laser treatments or other hair removal methods. While "accelerated vellus hair" might imply a change in growth pattern, it does not accurately describe the process of vellus hair becoming coarser and deeper. Terminalization is the correct term that encapsulates this transformation, indicating that the hair has developed into a terminal type. Anagen progression refers specifically to the phases of hair growth rather than the type of hair itself, while follicular conversion is a broader term that does not capture the specific transition from vellus to terminal hair.