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A new staining method helps tell growing from resting hairs to diagnose hair loss.

Pyrene excimer nucleic acid probes are promising for detecting biomolecules accurately with potential for biological research and drug screening.

Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.

Hair dye colors mainly target melanin granules in black hair.

Most children with alopecia areata have patchy hair loss and common trichoscopic features like yellow and black dots.

Trichoscopy shows black dots, yellow dots, and empty follicles are common in Alopecia Areata, with broken and exclamation mark hair as typical patterns.

The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.

Skin lesions help identify TCM syndromes in alopecia areata.

Squid ink melanin nanoparticles create a safe, long-lasting black hair dye that protects hair and offers UV protection.

Trichoscopy is a useful tool for diagnosing and assessing the severity of alopecia areata.

Ponatinib can cause a rare skin reaction that resolves with topical treatment and temporary drug discontinuation.

Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.

Avoiding dyed wigs and clothing improved severe allergic reactions in a woman treated with diphencyprone.

Dermoscopes help tell FPHL apart from other hair loss types and can detect it early by identifying specific patterns.

Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.

Fluorescent tattoos are a good way to mark the scalp for hair treatments because they're accurate, invisible in normal light, and have low risk.

Ketoconazole shampoo can cause rare pink hair discoloration.

Rectangular black granules, solitary yellow dots, and mostly single-hair follicles suggest Loose Anagen Hair Syndrome.

Genetic defects in the Wnt/PCP pathway may cause congenital yellow nail syndrome.

Valproic acid can rarely cause reversible nail discoloration.

Trichoscopy is a useful tool for diagnosing female pattern hair loss.

Dermoscopy is useful for diagnosing lichen planopilaris and certain features may relate to disease duration, age, and gender.

Trichoscopy helps tell apart scalp lesions in pemphigus vulgaris and pemphigus foliaceus and is useful for choosing biopsy locations.

Certain hair and scalp features can predict the severity of alopecia areata.

Coreopsis tinctoria Nutt. extract can effectively dye hair yellow or dark brown with good wash durability.

Chemotherapy caused the patient's hair to have alternating thick and thin segments.

Yorkshire Terriers with Colour Dilution Alopecia have reduced melanin and hair structure issues.

Peanut agglutinin staining helps differentiate malignant melanoma from nevocellular nevus.