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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.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.

Mothers and newborns with dental fillings have higher mercury in their hair, but adding fillings during pregnancy doesn't raise mercury levels further.

Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.

Oral minoxidil effectively treats hair loss, with women needing lower doses (0.25 to 2.5 mg daily) and men needing higher doses (1.25 to 5 mg daily).

Hair care cosmetics affect hair health; know products, ingredients, and procedures.

Hair transplantation can effectively treat stable eyebrow hair loss in alopecia areata patients.

Lower pH straighteners change hair more but weaken it.

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

Hair quality is genetically determined and linked to its composition and strength.

Sinsun-yukza-hwan extract promotes hair growth in mice.

Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.

Low-dose oral minoxidil is a safe treatment for hair loss, with the main side effect being excessive hair growth. Other side effects like foot swelling, low blood pressure when standing, and heart rate changes are rare.

Non-ionic silicone emulsion best protects hair color from sunlight.

As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.

Using wigs, hairpieces, and sprays can help people with hair loss feel better about themselves.

Gray hair is caused by reduced melanin production or transfer issues, linked to aging and possibly health conditions, with treatments focusing on color camouflage.

No effective treatment exists to stimulate hair growth in atrichia with papular lesions.

Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.

Tight hairstyles, especially on chemically treated hair, can cause reversible hair loss if caught early but may become permanent if not addressed.

Some treatments can stabilize Frontal Fibrosing Alopecia, but more research is needed to find effective treatments, and hair transplants often fail.

Topical treatments can deliver active molecules to skin stem cells, potentially helping treat skin and hair disorders, including skin cancers and hair loss.

Sebalgukhwa-san (SGS) can help treat hair loss without liver toxicity.

Hair pulling disorder is treated with therapy and medication; hair loss from tension can be reversed if caught early.

Hair loss can cause significant social and emotional issues, especially for women and young men.

A woman developed swelling in her body after taking low-dose oral minoxidil for hair loss, but it resolved after stopping the medication.

Histopathology is not reliable for detecting early fibrosis in traction alopecia or for showing how severe it is.

Certain hairstyles, diabetes, scalp infections, and vitamin D deficiency may increase the risk of hair loss in Black women; more research is needed for better treatment.

The review concluded that male pattern baldness is mostly seen negatively, affecting attractiveness and social appeal.