How often should you wash your hair? Scientists settle the debate
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How often should you wash your hair? Scientists settle the debate
Washing hair five or six times per week is associated with the best scalp condition and the most “great hair days.” A trial found that washing almost every day produced better scalp outcomes. Exact frequency depends on hair type, but worries about overwashing are described as unfounded. Infrequent washing can allow bacteria and yeast to overgrow when the hair and scalp are not cleaned often enough. Social media debates persist, with some people rinsing daily or using shampoo rarely, including approaches that rely on conditioner or avoiding shampoo entirely. Others report that waiting more than a day or two leaves hair feeling greasy and unclean.
"According to the experts, yourhair is usually happiest and healthiest when it is washed five or six times per week. In one trial, researchers found that washing almost every day led to the best scalp condition and the most 'great hair days'. While researchers caution that the exact frequency will depend on hair type, they suggest that worries about 'overwashing' are unfounded."
"Dr Shilpi Khetarpal, board-certified dermatologist at the Cleveland Clinic, warns: 'When the hair and scalp are not cleaned frequently enough you can get an overgrowth of bacteria and yeast.'"
"On one hand, it is a commonly held belief that washing with shampoo too frequently can damage the hair or lead to the scalp becoming greasier over time. In a post on Reddit, one social media user wrote: 'If I rinse my hair after exercise I can go a week straight without shampooing it and it looks fine.'"
"Likewise, some social media users say they have sworn off using shampoo altogether and have 'trained' their hair to need less frequent cleaning. However, many people still say that waiting more than a day or two between washes leaves them feeling greasy and unclean. 'My hair must be washed with shampoo every other day or it gets slimy and disgust"
Read at Mail Online
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