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Advancements in hair biology include new treatments and tools for hair growth and alopecia.

Chemotherapy and radiation therapy cause skin and hair damage by altering gene expression and signaling pathways.

Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.

Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.

Thymosin β4 promotes hair growth by activating stem cells in hair follicles.

A wearable device using electric stimulation can significantly improve hair growth.

Improved hair loss treatment using special particles and surfactants.

Gonadal hormones significantly affect the severity of alopecia areata in mice.

Many potential alopecia treatments need more testing to confirm they promote acceptable hair growth with minimal side effects.

Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.

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

Acne is a common skin condition that can be influenced by diet, lifestyle, and hormones, and requires a treatment approach that includes psychological considerations.

DDAIP-HCl significantly increases minoxidil absorption into the skin.

Nutricosmetics with active ingredients can help with hair loss and improve hair growth.

The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.

Some cells may slow melanoma growth, a protein could affect skin pigmentation, a gene-silencing method might treat hair defects, skin bacteria changes likely result from eczema, and a defensin protein could help treat multiple sclerosis.

Different skin stem cells help heal wounds, with hair follicle cells becoming more important over time.

Androgen receptor activity blocks Wnt/β-catenin signaling, affecting hair growth and skin cell balance.

Taking L-cystine and vitamin B6 can prevent hair loss caused by smoke in mice.

Accurate clinical, histological, and genetic methods are key for understanding and treating hair disorders.

Microneedle made of iron oxide and PVA helps hair regrowth in alopecia treatment.

lncRNA XLOC_008679 and gene KRT35 affect cashmere fineness in goats.

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

Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

Animal models are crucial for learning about hair loss and finding treatments.

A man experienced hair loss from radiotherapy, which can be temporary or permanent depending on radiation dose, with potential treatments available.

Vitamin A might be a safe extra treatment for dogs with sebaceous adenitis, but more research is needed to prove its effectiveness.

Researchers found a genetic region that influences the number of coat layers in dogs.

Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.