Ciekawostka: Blondes have more hair than dark-haired people do

Evidence: 59 • authority: 72

Human hair color is the pigmentation of human hair follicles and shafts due to two types of melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow or red pheomelanin. Melanin levels can vary over time, causing a person's hair color to change, and one person can have hair follicles of more than one color. Some hair colors are associated with some ethnic groups because of the observed higher frequency of particular hair colors within their geographical region, e.g. straight, dark hair amongst East Asians, Southeast Asians, Polynesians, some Central Asians, and Native Americans; a large v…

Evidence: 59 • authority: 88

THE INFLUENCE OF HAIR COLOR ON ELICITING HELP: DO BLONDES HAVE MORE FUN?. A review of the literature suggests that hair color influences the quality of interpersonal interactions. In a factorially designed study, two male and two female confederates (Cs) encountered 72 male and 72 female street pedestrians (Ss) asking for help. Cs wore brunette wigs for half of their interactions and blonde wigs for the rest. Results showed that while women helped Cs equally regardless of their gender, men helped women more than they helped men. Hair color of Cs was not shown to affect helping behavior. The findings are discussed in the context of other studies and limitations are outlined.

Evidence: 59 • authority: 72

Blue hair does not naturally occur in human hair pigmentation, although the hair of some animals (such as dog coats) is described as blue. Some people (typically of East Asian descent) are born with black hair that is so dark that it appears to have a metallic blue luster. In Japan, the beauty ideal for a woman is to have glossy "blue-black" hair, and Western foreign observers have also held this quality in high regard.

Evidence: 59 • authority: 72

Greying of hair, also known as greying, canities, or achromotrichia, is the progressive loss of pigmentation in the hair, eventually turning the hair grey or white which typically occurs naturally as people age.

Evidence: — • authority: 35