Because during the French Revolution, a revolutionary escaped capture, mainly because he was covered by a barber. In recognition of the barber's achievements, licensed hairdressers hung the red, white and blue national flag as a symbol, which gradually evolved into the current flower-turning downlight, and was later imitated by barbers in other countries and became an international barber shop symbol. Tricolor lights are the symbol of barber shops. Rotating lights are called hairdressing lights, also known as style, flower-turning downlights and rotating light boxes.

Functions of three-color rotating lights:

In fact, this has something to do with the history of hairdressers. This kind of "three-color column" rotating in all hair salons is officially called "style column". It was originally from Europe. The role of this three-color rotating lamp, that is, its sparkling appearance, can also attract the attention of pedestrians walking in front of the barber shop, thus attracting more customers to enter the shop for haircuts and attract business, which is also like a lucky cat to some extent.