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Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.

The document concludes that clinicians should be aware of common hair and scalp disorders in women of African descent and that more research is needed to develop effective treatments.

Hair shaft dysplasias are abnormal hair conditions that can be inherited or acquired and may signal other health issues, with limited treatment options available.

Eating vitamin A affects hair growth and health by changing cell signals in mice.

Overexpressing Tβ4 in goats' hair follicles increases cashmere production and hair follicle growth.

P-cadherin is important for hair growth and health, and its problems can cause hair and skin disorders.

Hair transplantation can help transgender patients affirm their gender identity.

An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.

Laser hair transplantation can be effective but should be limited to small areas and requires more training to ensure safety and effectiveness.

Different areas of the scalp have varying hair thickness, useful for different types of hair transplant needs.

The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.

Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.

Zebrafish larvae are used to study and find treatments for ear cell damage because they are easier to observe and test than mammals.

Scanning electron microscopy revealed four distinct hair root shapes in alopecia areata, suggesting a less invasive diagnostic method.

The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.

Afro-textured hair is more fragile and prone to certain scalp conditions, requiring careful treatment and more research for effective management.

Marine-derived ingredients show potential for hair health but need more human trials to confirm effectiveness.

Procyanidin B-2 from apple juice significantly increases hair growth and may be more effective than minoxidil without side effects.

Herbal shampoos are effective, non-toxic alternatives for treating dandruff and hair fall.

A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.

Mouse skin glands need healthy nerves to grow properly during hair growth phases.

Hair follicles repair 3D injuries using a 2D healing process.

Patients often experience long-lasting changes to their hair after stem cell transplants.

Up to 50% of women may experience significant hair loss by age 50, with various causes and treatments available.

Up to half of women by age 50 experience significant hair loss, with various types and treatments available.

Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

Researchers created human hair follicles using a new method that could help treat hair loss.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.