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Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.

Hair dyes vary in how long they last and how deeply they penetrate hair.

Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.

Activating the Sonic hedgehog gene in mice can start the hair growth phase.

Hyaluronate fragments can help reverse skin thinning by working with the CD44 receptor.

Iris germanica rhizome-derived exosomes help protect skin cells from oxidative stress and aging.

Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.

Biotin supplements are unnecessary for most people but may help with certain conditions like biotin deficiency, brittle nails, and some hair loss.

Androgens can both increase and decrease hair growth in different parts of the body.

Scarring alopecias are complex hair loss disorders that require early treatment to prevent permanent hair loss.

Different factors help diagnose and treat hair loss accurately.

Hair root sheaths are more common in non-scarring hair loss and help diagnose the type of hair loss.

Many products for hair re-growth exist, but a perfect treatment without side effects has not yet been found.

The document explains what healthy skin, nails, and hair look like on an ultrasound.

Many drugs, not just chemotherapy, can cause reversible hair loss.

Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.

Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.

Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.

Understanding where cancer cells come from helps create better prevention and treatment methods.

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.

Human hair follicle stem cells can turn into multiple cell types but lose some of this ability after being grown in the lab for a long time.

Trichoscopy is a quick, noninvasive method to diagnose hair and scalp disorders, often reducing the need for biopsies.

Keratinocytes control how melanocytes work.

The document explains different types of hair loss, their causes, and treatments, and suggests future research areas.

Parathyroid hormone-related protein helps control hair growth phases in mice.

Premature graying of hair may suggest health issues and currently lacks effective treatments.

Bcl-2 overexpression protects against UVB damage but worsens hair loss from chemotherapy.

The TCL1 transgenic mouse model is useful for understanding human B-cell leukemia and testing new treatments.

A new skin-whitening agent using a peptide from wheat is safe and effective at reducing skin pigmentation.