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The document concludes that alopecia areata is an autoimmune disease without a definitive cure, but treatments like corticosteroids are commonly used.

Alopecia in animals can be hereditary, congenital, or acquired, with treatments and outcomes varying widely.

Oral isotretinoin may slightly improve acne but increases the risk of side effects like dry lips and skin; more research is needed to understand its full risks and benefits.

Nonsteroid treatments for alopecia areata show promise but need more high-quality research.

PFD patch helps laser tattoo removal, trichoscopy diagnoses AGA, and serum boosts SOD activity.

Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.

Certain gene mutations are linked to wool quality in sheep and could help in breeding for better wool.

Plant-based ingredients are effective and safe for modern skincare products.

Levodopa for Parkinson's disease might be linked to skin issues like melanoma, but it's unclear if the drug or the disease causes them.

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

Personalized treatment plans improve vitiligo care.

Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

The skin's microbiome helps hair regrow by boosting certain cell signals and metabolism.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.

Melatonin helps hair grow by activating a specific signaling pathway.

Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.

Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.

Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.

White and yellow dots indicate severe female hair loss in dark skin.

Black rice extract ointment significantly promotes hair growth in Wistar rats.

High levels of ERK activity are key for tissue regeneration in spiny mice, and activating ERK can potentially redirect scar-forming healing towards regenerative healing in mammals.

DNA methylation and long non-coding RNAs are key in controlling hair growth in Cashmere goats.

The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.

BMP signaling is essential for the development of touch domes.

Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.

Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.

The protein Gnαs is found more in black mice than white mice and may influence their coat color.

The study mapped yak skin cells to understand hair growth better.