The areas where head lice are most frequently seen are the scalp, behind the ears, and the back of the head, near the neck. These insects feed only on human blood. Head lice are transmitted straight from one person's hair to another and most frequently afflict children. Up until the age of 17, most students in school experience a head lice infestation. The widespread condition caused by Pediculus humanus capitis (the head louse) infection of the hair and scalp is known as pediculosis capitis. The illness can still be unpleasant for parents, caregivers, and teachers even though its fatality rate is lower.
According to a study titled "Prevalence of head lice infestation among schools' workers in the Eastern Region, i.e., Saudi Arabia," which was published in June 2021, a cross-sectional survey was conducted in February and May 2019 to investigate the prevalence of Pediculosis capitis among 751 approximately participants in the Eastern region of Saudi Arabia. The study showed that illiterate people mainly lacked knowledge about lice infestation, and children under 20 had higher lice infestation rates.
Brazil's rates of head lice incidence in urban slums and disadvantaged rural areas are estimated to be between 28% and 43%, respectively, according to a May 2021 study titled "Head Lice at School: Traditional Medicine and Community Engagement." The study's participants reported having head lice infestations in 36.43 percent of their households, while the data shows that the prevalence at different schools in Norway ranged from 0% to 7.14 percent.
The U.S. Food and Drug Administration permitted the use of a lotion to cure head lice in October 2020 for over-the-counter (OTC) or non-prescription (NP) use through a prescription (Rx)-to-OTC transfer. The FDA initially approved the Sklice (ivermectin) 0.5% lotion from Arbor Pharmaceuticals in February 2012 for treating head lice infestation in patients six months and older. Kaken Pharmaceutical Co. Ltd. and Arbor Pharmaceuticals LLC developed and commercialized ivermectin lotion, 0.5% (marketed in the US as Sklice Lotion, 0.5%) for treating head lice, a parasitic infectious condition, in Japan under a licensing agreement that was finalized in February 2019.
The number of lice-treating products on the market has rapidly expanded in various product categories and distribution channels. Lice are treated with over-the-counter (OTC) or prescription drugs, while drug resistance is also rising. The increased resistance of lice to various drugs is driving up the demand for new solutions, which is expected to boost the market's growth.
North America is the most significant revenue contributor and is anticipated to grow at a CAGR of 6.80% over the projection period. Most head lice cases affect children in preschool and primary school, as well as their relatives and caretakers. The most typical ways to get head lice are head-to-head contact with an infected person, wearing items that person has worn, using infected combs, brushes, or towels, as well as lying on a bed, pillow, couch, or carpet that has recently been in contact with an infected person. The Food and Drug Administration (FDA) states that head lice infestations are a year-round problem, peaking in the fall when children return to school.
Asia-Pacific is anticipated to exhibit a CAGR of 7.80% during the projection period. China makes up a sizable percentage of the Asia-Pacific region. Due to the country's huge population, the region's lice treatment sector is projected to grow. According to reports, children in kindergartens and schools are the most frequently infested with lice among the general population. Therefore, the large infection pool in the country is to blame for the rising prevalence of lice infestation in the area. The first instance of Phthirus pubis infestation of the eyelids was recorded in China in March 2021. It was infested with P. pubis together with Demodex. The infection was treated with moxifloxacin eye ointment, fluorometholone eye drops, and 25% tea tree oil.