According to HealthHype.com, natural oils in the hair attract dirt and bacteria, which causes hair to smell. The bacteria feed on dead skin cells and emit offensive odors in the process. Bad hygiene and environment contribute to bad-smelling hair as well.Know More
HealthHype.com further notes that poor hygiene of the hair involves infrequent washing, which leads to a build-up of excess materials on the skin. There are those who wash the hair to maintain a certain hairstyle, but doing so exposes the hair to offensive odors.
HealthHype.com mentions that certain skin conditions such as scalp psoriasis and seborrheic dermatitis foster a haven for unwanted microbes on the scalp. The diseases aren't responsible for odors in the hair, but the bacteria that festers is the root cause. Dryness of the skin and dandruff are other skin issues that can lead to bacteria growth and foul-smelling hair. Chemical relaxers and other hair products attract additional microbes. People who maintain weaves and extensions are especially prone to bad hair smells.
Wearing a cap or scarf over the head is another factor that spawns offensive odors in hair, according to HealthHype.com. Pollutants in the air and water quality are other factors that attract unwanted elements in the hair. Covering the hair less and exposing the head to direct sunshine more often reduces hair odors. Washing hair regularly gets rid of excess dirt and microbes.Learn more about Hair
Flyaway hair, or hair that stands straight up and floats around, is caused by static electricity, which happens in dry, cold conditions or situations where two different materials are rubbed against each other. The friction creates a negative charge in hair, which does not conduct electricity efficiently. This results in floating electricity throughout the hair, causing hair strands to repel each other like two ends of a magnet.Full Answer >
Hair crowns, or hair whorls, are patterns of hair growth that can be seen as a "spiral" on the back of the head. Double hair crowns appear as two spirals. In a 1975 genetic study by Wunderlich and Hereema, 1.5 percent of the population was estimated to have double crowns, according to John H. McDonald from the University of Delaware.Full Answer >
Dry hair is caused by the overuse of styling products and environmental exposure. Habits such as excessive shampooing can rid the hair of elements that keep it nourished. Extreme temperatures, both hot and cold, can also affect the hair's health and can cause the hair to become brittle.Full Answer >
According to KidsHealth, there are multiple reasons for hair loss, or alopecia, in teenagers. Some of the causes include androgenic alopecia, alopecia areata, various medical conditions and taking certain medications.Full Answer >