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Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.

Probiotic bacteria improved skin and hair health in aged mice.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Liposomes and niosomes improve finasteride delivery for hair loss treatment.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Cepharanthine is a well-tolerated drug with multiple medical uses, including anti-inflammatory and anti-cancer properties.

Finasteride effectively treats baldness but may cause sexual side effects.

Stem cell plasticity is crucial for wound healing but can also contribute to cancer development.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

No single treatment is consistently effective for alopecia areata, and more research is needed.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

Folliculitis decalvans is a rare scalp condition causing scarring hair loss, treated with long-term antibiotics and other medications, but it often comes back and is hard to manage.

Minoxidil and finasteride can slow hair loss and stimulate regrowth, but won't restore all lost hair or reverse complete baldness.

Minoxidil is the only FDA-approved topical drug for treating male or female pattern hair loss, and other medications like finasteride and dutasteride can also increase hair growth.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.

Nerves and chemicals in the body can affect hair growth and loss.

Hair loss in men treated best with early medication or transplant, new treatments researched.

The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.

The document concludes that certain genetic mutations and dietary factors are involved in acne development, and treatments like isotretinoin and diet changes can help manage it.

Removing both Atr and Trp53 genes in adult mice causes severe tissue damage and death due to DNA damage.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

There are many treatments for permanent hair loss disorders, but their effectiveness varies and there's no clear best option.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.