Washington Master Esthetics Practice Exam

Hives, or urticaria, are raised welts on the skin that can appear in response to an allergic reaction or irritation. During a waxing service, the most common areas for hives to develop are typically places where the skin is sensitive or has previously experienced irritation or allergic reactions. The back is particularly susceptible because it often has varied hair density and a higher concentration of allergens or irritants, including residual products from previous treatments or environmental factors. Additionally, during waxing, the process can cause trauma to the skin, leading to localized reactions like hives in these areas.

The other locations listed have differing characteristics. The forehead might not have as much hair and may be less prone to hive development during waxing. The arms and legs typically experience less sensitivity relative to the back, especially if the waxing service is focused on smaller areas like the underarms or bikini line. Thus, the back emerges as the area where hives are most likely to develop during these waxing services.