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When it comes to damaging your hair, which is worse: blow-drying or air-drying? Blasting your strands with hot air surely does more damage, right? Turns out, not so much.
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A hair dryer (the handheld type also referred to as a blow dryer) is an electromechanical device that blows ambient air in hot or warm settings for styling or drying hair. [1] [2] Hair dryers enable better control over the shape and style of hair, by accelerating and controlling the formation of temporary hydrogen bonds within each
Furthermore, there are dry shampoos; powders that remove sebum from hair by soaking it up prior to being combed out. People often use dry shampoo if they would like to postpone their hair wash or simply to save time. [1] Hair wash and dry shampoo keep the hair healthy, add volume to the hair, remove dirt and odors, and remove oils from the scalp.
Greasy hair is a hair condition which is common in humans, one of four main types of hair conditioning— normal, greasy, dry and greasy dry. [1] It is primarily caused by build-up of the natural secretion from the sebaceous glands in the scalp and is characterised by the continuous development of natural grease on the scalp. [2]
“The hair closest to the scalp processes color quicker than anywhere else on the hair shaft because the natural heat from the body acts as a heater when hair color is applied,” he explains.
Radiation induces hair loss through damage to hair follicle stem cell progenitors and alteration of keratin expression. [72] [73] Radiation therapy has been associated with increased mucin production in hair follicles. [74] Studies have suggested electromagnetic radiation as a therapeutic growth stimulant in alopecia. [75]
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