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Hair restoration techniques have improved but still rely on limited donor hair, with new methods like cloning and gene therapy being explored.

Polygonum multiflorum can promote hair growth when taken orally or applied topically.

Dermal stem cells help regenerate hair follicles and heal skin wounds.

Biotin supplementation during isotretinoin treatment for acne may help maintain skin hydration and improve hair growth.

Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.

Minoxidil and photobiomodulation together improve hair growth better than minoxidil alone.

Children with trichotillomania often pull hair from their scalp, and parents may not notice; stress can trigger it, and asking detailed questions helps in diagnosis and treatment.

The Siah1 and Siah2 genes are active in mouse skin development and hair growth, especially right after birth.

Male pattern baldness involves smaller hair follicles, larger oil glands, and other tissue changes, but not major blood supply issues.

The document concludes that stem cells and their environments are crucial for skin and hair health and have potential for medical treatments.

Some moles can disappear naturally, maintenance therapy for Stage 1 mycosis fungoides may not be necessary, allergic skin reactions in children are rising, weekly methotrexate for psoriasis is more effective than daily, long-term finasteride use improves hair growth with few side effects, and petrolatum improves UV therapy for psoriasis.

Researchers created human cells that can turn into sebocytes, which may help study and treat skin conditions like acne.

Piperine from black pepper can make hair less oily by blocking fat cell development in hair roots.

The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.

The study found that sweat glands normally suppress immune responses, but this is disrupted in certain skin diseases, possibly contributing to their development.

Men and women experience skin aging differently due to changes in sex hormone levels with age.

Tofacitinib is somewhat effective for alopecia areata, but more research is needed on its safety and long-term effects.

Over half of young people in Saudi Arabia experience early gray hair, linked to factors like smoking, stress, and family history.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

Testosterone therapy for transmasculine individuals is generally safe with medical supervision, improves mental health, and has mixed effects on physical health.

Azelaic acid helps protect hair cells from UV damage and encourages hair growth by increasing certain gene expressions and proteins.

K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.

Blood tests can help understand the genetic differences in people with alopecia areata, including how severe it is and if it's inherited.

The Rotterdam Study updated findings on elderly health, focusing on heart disease, genetics, lifestyle effects, and disease understanding.

Researchers created a model to understand heart aging, highlighting the role of microRNAs and identifying key genes and pathways involved.

People with autoimmune skin diseases often have hearing problems and should get their hearing checked early.

Marine-derived saccharides may help reduce aging effects on skin and hair by promoting cell growth and collagen production.

GLP-1 receptor agonists help with weight loss but need to be combined with other treatments for best results.

Some COVID-19 patients lose hair, with the most common type linked to male hormones and possibly increasing the risk of severe illness.

The combination of oral finasteride and dutasteride with topical minoxidil effectively promotes new hair growth in most people, with minimal side effects.