Increase in dandruff: Experts reveal the hidden cause behind the problem
Hair health experts reveal an unexpected link between hard water and increased dandruff, warning about the effects of minerals on scalp health.
Hair specialists have warned about a hidden cause worsening dandruff for millions, explaining that mineral-rich hard water may directly trigger flaky scalp and dryness. Experts note that areas supplied with water passing through calcium- and magnesium-rich rocks, such as limestone, experience higher rates of dandruff, with six out of ten people affected in these regions.
Dr. Alexander Goodick, a dermatology consultant, explained that many notice dandruff appearing for the first time or worsening after moving to areas with high-mineral water, as mineral buildup irritates the scalp and accelerates flake formation.
Studies show urban areas have higher rates, while regions with soft water report lower prevalence. Experts highlighted that the Malassezia fungus, typically causing dandruff, becomes more active due to minerals lingering on the scalp, worsening the condition.
To reduce dandruff, specialists recommend installing a showerhead filter and using shampoos with vitamin C, citric acid, or EDTA to remove mineral deposits, while avoiding washing hair more than twice a week to prevent scalp dryness. They also warned that some cases may indicate skin conditions such as psoriasis or psoriatic arthritis and urged consulting a doctor if additional symptoms appear.
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