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Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

The document reviews various hair and nail disorders, their causes, and treatments, emphasizing the need for proper diagnosis and the link between nail changes and systemic diseases.

The herbal hair cream helps protect and improve hair health.

The skin is vital for protection, temperature control, fluid balance, immunity, and sensing, with damage affecting daily life and mental health.

Researchers found a genetic link for hereditary hair loss but need more analysis to identify the exact gene.

Understanding normal hair growth and loss in children is key to diagnosing and treating hair disorders.

Some migraine sufferers had no more headaches after getting a hair transplant.

Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.

Trichotillomania is a disorder where people compulsively pull out their hair, treated with drugs and behavior therapy.

Mast cells play a significant role in hair loss conditions like male pattern hair loss and alopecia areata.

The document concludes that permanent hair loss conditions are complex, require early specific treatments, and "secondary permanent alopecias" might be a more accurate term than "secondary cicatricial alopecia."

Using platelet-rich plasma in hair restoration surgery significantly improves hair density after 6 months and is safe to use.

Detailed history and physical examination are crucial for diagnosing hair loss.

Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.

Hair follicle stem cells are similar to bone marrow stem cells but are better for fat cell research.

Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.

The scalp's microorganisms significantly affect hair health and disease.

Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.

CRABP1 boosts hair cell growth in Hu sheep by affecting key genes.

BMAL1 and Period1 genes can influence human hair growth.

Hair and skin healing involve complex cell interactions controlled by specific molecules and pathways, and hair follicle cells can help repair skin wounds.

Regulating cell death in hair follicles can help prevent hair loss and promote hair growth.

The circadian clock plays a key role in hair growth and its disruption can affect hair regeneration.

A witch-hazel-based 5% minoxidil solution is effective and safe for women with hair loss who didn't respond to regular minoxidil, especially if they're sensitive to propylene glycol.

Chitosan, a natural substance, can be used to create tiny particles that effectively deliver various types of drugs, but more work is needed to improve stability and control of drug release.

PPAR-γ helps control skin oil glands and inflammation, and its disruption can cause hair loss diseases.

PPAR-γ is important for healthy hair and its problems, and more research on PPAR-γ treatments is needed.

Hydra can help understand human hair follicle microbiomes and develop new skin disease therapies.

Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.