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Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.

Hair in mammals likely evolved from glandular structures, not scales.

Hair health depends on various factors and hair loss can significantly affect a person's well-being; understanding hair biology is key for creating effective hair care treatments.

Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.

A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.

The document explains how hair follicles develop, their structure, and how they grow.

Onion and Aloe vera can help protect hair from damage caused by hair dyes.

Laser hair removal is effective for dark hair but needs improvement for nonpigmented or fine hairs.

Herbal hair serums offer multiple hair and skin benefits and are becoming more popular.

Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.

New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.

FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.

The article concludes that hair loss is a common side effect of drugs treating skin cancer by blocking the hedgehog pathway, but treatment should continue, and more selective drugs might prevent this side effect.

ADSC-Exos with miR-122-5p can help treat hair loss by promoting hair growth.

Microparticles containing artocarpin extract could effectively treat hair loss and acne with minimal side effects.

A gene deletion causes the "hairless" trait in Iffa Credo rats.

Stopping tight hairstyles can prevent and reduce traction alopecia.

Tiny particles called extracellular vesicles show promise for treating skin conditions and promoting hair growth.

New technologies show promise for better hair regeneration and treatments.

Melatonin helps hair grow by activating a specific signaling pathway.

Mouse cell exosomes help hair regrowth and wound healing by activating a specific signaling pathway.

Body hairs can be used in forensic science and toxicology like scalp hair.

Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.

Avoid chemical and physical damage to protect hair.

Pregnant women's hair gets thicker.

Light microscopy is useful for diagnosing different hair disorders.

Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.

Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.

The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.

New methods to classify curly hair types were developed based on shape and strength.