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Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.

Short telomeres contribute to aging and cancer, and while telomerase can delay aging, it may also promote cancer.

Crossbreeding certain European cattle breeds may cause hair and physical issues in cattle.

Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.

New treatments for skin and hair disorders in women of color address unique biological differences and include specific acne medications, sunscreens, skin lighteners, and hair care adjustments.

Melanin density affects hair color, and this method can help in cosmetic assessments and diagnosing hair diseases.

Light therapy can effectively treat vitiligo and hair loss caused by a specific medication.

The study found genetic differences related to hair development that may explain hair loss in a patient with Trichorhinophalangeal syndrome type I.

WNT7A gene expression is higher in early stages of androgenetic alopecia, showing the role of WNT pathway, apoptosis, and inflammation in the disorder.

Applying an extract from Perilla frutescens helps hair grow and fights the effects of hair loss hormones.

Rumex japonicus extract may promote hair growth more effectively than Minoxidil.

Melanocytes are diverse cells important for pigmentation and skin health, influenced by genetics and environment.

Mutations in Plcd1 and Plcd3 together cause severe hair loss in mice.

Beige and leaden pigment genes act within melanocytes, affecting pigment patterns.

Epimedium extract helps increase skin pigmentation and could be a new treatment for conditions with reduced pigmentation.

Hair aging is inevitable, but using the right hair care products can help maintain hair health.

Stephen Rothman made important discoveries in dermatology, including the use of PABA in sunscreens, but never profited from his work.

The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.

The study found no significant difference in stress hormone levels between people with alopecia areata and healthy individuals, suggesting that the disease is not caused by an overactive stress response system.

The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.

Men with less sun-sensitive skin have lower PSA levels, while men with more sun-sensitive skin have higher PSA levels.

Melanocytes are important for skin and hair color and protect the skin from UV damage.

Dermal papilla cells are key for hair growth and color, influencing hair type and size, and their interaction with stem cells could help treat hair loss and color disorders.

Animal models, especially mice, are essential for advancing hair loss research and treatment.

Keratin extract from human hair was found to promote hair growth in mice.

Some domesticated animals have the same genetic skin diseases as humans, which can help doctors understand human genetic mutations.

Estrogen and androgenic hair increase melanoma risk, especially in European-ancestry individuals.

CARI ONE helps start hair growth and makes hair follicles bigger and more numerous.

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.

Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.