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Premature hair graying in the face may be influenced by genetics and environment.

Hair loss is often linked to thyroid problems, especially in women and older people, and screening for thyroid issues is advised for those with hair loss.

Rice bran extract boosts melanin production in hair follicles.

Scalp micropigmentation is a safe way to hide hair loss and scalp scars by tattooing tiny dots that look like hair follicles.

Most people in Turkey start getting gray hair around 33 years old, with factors like age, education, hair loss, skin type, family history, and anxiety playing a role.

The 2004 hair research meeting presented new findings on hair cell differentiation, genetic factors in hair loss, hair pigmentation, and potential targeted therapies.

The skin's layers protect, sense, and regulate the body's internal balance, but can be prone to cancer.

A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.

Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.

Laser hair removal can help treat acne keloidalis nuchae, but results vary and a standard scoring system is needed.

The extract combination can promote hair growth and act as a natural hair dye.

Physical exams are important in hair loss diagnosis, considering cosmetic history, systemic diseases, and classifying alopecia types.

Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.

Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.

Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.

The EpiLight Hair Removal System removed about 60% of hair with some side effects, and more research is needed to confirm long-term effectiveness.

Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.

Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.

Chinese women's hair gets thinner and grayer with age, and scalp conditions change, especially after 40.

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.

A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.

Twisting hair weakens it, but strength can be recovered at low twist levels.

Hair restoration surgery has evolved over time, with a focus on natural-looking results and managing patient expectations, while also considering potential complications and the lifelong progression of male pattern baldness.

The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.

The KNU implanter for hair transplants showed a high survival rate of 90%+ for transplanted hairs after 6 months, with benefits like natural hair direction and fewer scars.

A new tool can analyze hair to detect changes due to hormones, genetics, and aging.

Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.

A patient experienced long-lasting hair loss after using acitretin for psoriasis.

Graphene-based hair dye is a safe, durable, and effective alternative to traditional black hair dyes.

Laser hair removal is now more effective, but the best treatment schedule is still uncertain.