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Some drugs, especially biologics, can cause skin reactions that look like other skin diseases, and stopping the drug usually helps clear up these reactions.

No link found between specific genes and female pattern hair loss.

Lasers are FDA-approved for permanent hair reduction, not removal, and more research is needed to improve treatments.

The review recommends hormone replacement therapy for women with premature ovarian insufficiency to manage symptoms and protect health, with specific approaches for different groups.

The 2023 guideline for PCOS suggests using updated diagnostic criteria, assessing related health risks, and recommends lifestyle changes and specific treatments for symptoms and fertility issues.

Gene regulation could revolutionize hair color by altering pigmentation from within.

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

Increased PHGDH expression causes early melanin buildup in hair follicles.

Higher PHGDH levels cause unusual melanin buildup in hair follicles.

The document concludes that alopecia has significant social and psychological effects, leading to a market for hair loss treatments.

BMP signaling controls hair growth and skin color.

Melanocytes are crucial for skin pigmentation and can affect conditions like melanoma, vitiligo, and albinism, as well as hair color and hearing.

Laser and light treatments can effectively remove hair long-term.

Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.

Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.

Hair color is determined by different melanins and changes with age.

Barn owls with smaller black spots have higher testosterone levels, which might be due to genetic effects on hormone regulation rather than hormone effects on coloration.

Laser hair removal might also work by damaging blood vessels around hair follicles.

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

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.

RAPK is a rare skin disorder with pigmented spots, mainly on hands and feet, starting in youth.

Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

We don't fully understand how sunlight damages different types of hair.

Multiphoton microscopy is a promising tool for detailed skin imaging and could improve patient care if its challenges are addressed.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

Keratinocytes control how melanocytes work.

Other common signs, not just the well-known immune cells around hair bulbs, are important for diagnosing hair loss from alopecia areata.

Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.

Chronic stress can reduce skin pigmentation.