Final answer:
Long-term hair reduction is most effective during the anagen stage, when the hair bulb is more active. During this phase, cells divide rapidly at the root of the hair, pushing the hair shaft up and out. Methods like laser hair removal or electrolysis target follicles during this stage for optimal results.
Step-by-step explanation:
Long-term hair reduction is most effective when hairs are removed during the anagen stage, while the hair bulb is more active. During the anagen phase, cells divide rapidly at the root of the hair, pushing the hair shaft up and out. This phase typically lasts from 2 to 7 years. Hair removal methods, such as laser hair removal or electrolysis, target hair follicles during the anagen stage to achieve long-term reduction.