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Different ectodermal organs like hair and feathers regenerate differently, with specific stem cells and signals involved in their growth and response to the environment.

The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.

The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.

Hair loss in cancer patients can be related to the cancer itself, treatment, or other conditions, and understanding it is important for diagnosis and patient care.

Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.

The document explains different hair loss types and treatments, emphasizing diagnosis through examination and tests, and specific treatments for each condition.

Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.

The guide helps clinicians diagnose and manage hair loss, detailing examination techniques and treatments for different types of alopecia.

A horse in Brazil had seasonal hair loss possibly linked to light exposure and melatonin levels.

Trichoscopy and trichogram are useful for diagnosing hair and scalp conditions.

Thyroid disease can cause hair loss and treating thyroid problems might help with hair disorders.

Androgenic Alopecia, a common hair loss condition, can be effectively treated with finasteride and other treatments.

Researchers found that certain RNA sequences play a role in yak hair growth and these sequences are somewhat similar to those in cashmere goats.

Melatonin treatment may increase cashmere production in Spanish goats.

The article concludes that understanding the molecular processes in hair follicle development can improve the quality of fibers like Angora and cashmere.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

The document concludes that new treatments for hair loss may involve a combination of cosmetics, clinical methods, and genetic approaches.

Dairy cows' skin and hair follicles change size and growth phase around the time they give birth.

Hair follicle stem cells are controlled by their surrounding environment.

The study found specific proteins that could mark different growth stages of cashmere goat hair and may help improve cashmere production.

Wheat polar lipid complex reduces hair loss and improves hair growth in women.

Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.

Some antiseizure medications can cause reversible hair loss, with valproate, lamotrigine, and carbamazepine being the most common.

Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.

The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.

A shampoo with caffeine and adenosine may help prevent hair loss and thicken hair.

Chronic exposure to sunlight may worsen male pattern baldness and protecting the scalp from the sun could slow it down.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Dogs could be good models for studying human hair growth and hair loss.

Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.