What is Long hair?
[[File:Franz Xaver Winterhalter - Kaiserin Elisabeth von Österreich mit aufgelöstem Haar, Kniestück.jpg|thumb|right|200px|[[Empress Elisabeth]] of Austria wearing thigh-length hair in 1865. (Painting by [[Franz Xaver Winterhalter]])]] [[File:Long braid.jpg|thumb|200px|A woman with knee-length hair]][[File:Mini sandrine-riviere.jpg|thumb|200px|Alternatively...]] '''Long hair''' is a [[hairstyle]] that is mostly worn by [[girl]]s and women. [[Boy]]s and men may sometimes wear hair to shoulder length. Longer than that is rare for men of most cultures. Extremely long hair (usually waist length or longer) is normally only found in females. The reason is that the female [[hormone|hormonal system]] affects the growth of their hair, just as the male hormonal system supports facial hair growth. This is also the reason young females can have longer hair than older women. Hair length is measured (in centimeters or inches) from the line of the [[scalp]] on the [[forehead]] up over the highest point of the [[skull]] to the end of the hair. This method is not suitable for measuring hair length for people with a [[Fringe (hairstyle)|fringe]]. In [[cosmetics|cosmetology]], hair lengths <ref>{{Cite web|date=2023-02-06|title=Hair Length Chart: The Right Way To Use Like An Expert 2023 - Jen Hair|url=https://jenhair.com/blog/hair-length-chart.html|access-date=2023-03-29|language=en-US}}</ref>are usually described by the part of the body where the longest hair ends: ''chin level'', ''shoulder length'', ''mid-back level'', ''waist length'', ''hip-length'', ''classic length'' (extends to almost upper thigh-length, where the [[leg]]s meet the [[buttocks]]), ''thigh-length'', ''knee-length'' and ''ankle/floor length'' hair.<ref name=cosmetology>{{Citation |first=Anthony |last=Gonzalez |url=https://books.google.com/books?id=dKVBDlaGoAAC&pg=PT54 |title=Cosmetology |page=54 |publisher=Global Media |year=2007 |isbn=978-81-89940-45-4}}</ref> Hair usually takes about 2–2½ years to reach shoulder length.<ref name=Andropathy>Hemat R.A.S. 200