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Summary

Trichologist Nikolai Goncharenko discusses hair washing, dandruff, hair loss, graying, and treatment. His main message is that many popular hair-care practices do not change how hair grows: cosmetic products can improve the feel or appearance of existing hair, while persistent hair loss may need a clinical assessment.

Practical hair and scalp care

• Wash as often as you need to. Daily washing—or washing more than once a day after exercise—is fine if it suits your scalp. The guest says frequent washing does not make sebaceous glands produce more oil; washing frequency is largely a matter of comfort.
• Choose shampoo by how your scalp responds. A good fit should leave the scalp feeling clean and comfortable, without lingering oil or itching. The amount of foam is not a reliable measure of cleaning ability.
• For longer hair, rinse the nape thoroughly. The guest suggests bending forward to wash hair that reaches the shoulders or longer. Conditioner and similar products can help protect the lengths, especially if you are growing them out.
• Treat dandruff as a recurring scalp condition. The guest describes it as visible flakes caused by skin shedding and irritation, often involving sebum and naturally occurring microorganisms. Anti-dandruff shampoos can help; use more focused care when symptoms return.
• A hat does not generally harm hair. Warmth and humidity under a hat may worsen dandruff for some people, and tight or abrasive headwear can cause friction. The guest also recommends protecting a thinning scalp from strong sun.
• Be cautious with styling damage and extensions. Chemical treatments can damage existing hair shafts. Extensions may put extra strain on already-thinning hair.
• Combing and scalp massage have limits. The guest recommends a smooth comb to reduce wear on long hair ends. He says hairs found in a comb were generally already nearing their shedding phase, while scalp massage may feel relaxing but is not a proven way to stimulate growth.

Hair loss, diagnosis, and treatment

• A sudden shed may follow a trigger from about three months earlier. The guest lists major stress, illness, moving, or other significant changes as possible triggers. He says this type of diffuse shedding often settles, though ongoing or worsening loss warrants assessment.
• Gradual thinning can have a different cause. A widening part in women or changes around the temples or crown in men may fit a pattern of genetically influenced hair loss. The guest links this pattern to follicles’ sensitivity to androgens.
• Seek assessment for persistent changes. The guest describes using scalp examination and tools such as trichoscopy, and in some cases a phototrichogram, to assess hair and monitor treatment. He cautions against relying on broad panels of tests to explain pattern hair loss in an otherwise healthy person.
• Supplements are not a universal hair-loss treatment. In the guest’s view, correcting a genuine deficiency may be appropriate, but vitamin D, zinc, protein, or iron supplements should not be assumed to restore hair without a reason to use them. He particularly cautions against treating hair loss by taking supplements indiscriminately.
• Medical treatments may need to be continued. The guest discusses minoxidil as a hair-growth treatment and other medications that can reduce the effects of androgens. He emphasizes that treatment choices depend on the person and should be discussed with a qualified clinician; hair supported by ongoing medication may be lost again if treatment stops.
• Transplants are best for areas with little or no remaining hair. The guest says existing, miniaturizing hair may often be treated medically, while transplantation can address more established bare areas. Donor hair is commonly taken from the back of the scalp; future hair loss may still affect untreated areas.
• Alopecia areata is a separate, immune-related condition. The guest explains that it can cause patchy or more extensive loss and discusses newer medical options. Treatment decisions require specialist care.

Graying and cosmetic products

• Gray hair is usually a natural change. The guest says there is currently no reliable way to restart pigment production. He also says premature graying alone is not generally evidence of illness.
• Conditioners, oils, eggs, and similar products affect the hair shaft, not new growth. They may coat or improve the appearance of existing hair, but the guest says they do not make new hair grow. Dry shampoo can temporarily make hair look less oily, but it does not replace washing.

Presenters and sources

• Maxim Kuznetsov — host; endocrinologist.
• Nikolai Goncharenko — guest; trichologist and hair-loss specialist.
• No specific research publications are identified in the subtitles.