The real risks of daily hair washing according to experts

How often should you wash your hair? The answer depends on your scalp, not a calendar. Scientific observation of more than 1,500 people found that regular cleansing reduced surface sebum and flaking without damaging the hair shaft. Trichologist Oksana Levchenko told Pravda. Ru that daily washing is not inherently harmful, especially for oily scalps. The risk comes from harsh surfactants, hot water and vigorous towel rubbing, which strip protective lipids and irritate skin. What determines your schedule Genetics and hormonal activity control how fast sebum builds up. Short hair loses volume faster than long hair; curls tend to stay fresh at the roots longer because of their structure. Dermatocosmetologist Ilya Rudnev noted that people with dry scalps should avoid frequent washing, choose gentle sulfate-free formulas and extend the interval between shampoos. The idea that you can "train” hair to produce less oil is a myth — sebaceous glands respond to internal signals, not to how often you rinse. Common mistakes and practical fixes Mistake Better approach Hot water Lukewarm water prevents overstimulating oil glands Rubbing with a towel Blot gently to keep the cuticle smooth Applying conditioner to roots Apply only to mid-lengths and ends to preserve volume Harsh surfactants every day Mild shampoos cleanse without over-drying Product selection and rinsing Choose shampoo for your scalp type and conditioners or masks for the condition of your lengths. Cosmetic chemist Alina Chernova emphasized that thorough rinsing is critical when you wash daily; residue from cleansers or styling products can trigger contact dermatitis and itching. Double shampooing is justified only when heavy styling buildup or significant soiling is present. Dry shampoo absorbs oil temporarily but does not remove dirt or dead skin cells; overuse can clog follicles.