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Higher light doses cause more damage to hair follicles, predicting better hair removal results.

Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.

Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.

Hair loss in a drug reaction case involved both a common shedding phase and an immune attack on hair follicle stem cells.

New treatments for hair loss, like JAK inhibitors, PRP, anti-androgens, and minoxidil, offer better options.

KAP-depleted hair causes less immune response and is more biocompatible for implants.

Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.

Artemis protein may help control hair growth and health by influencing cell processes.

Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.

Researchers created a 3D-printed skin model that grew human hair when grafted onto mice by improving blood supply to the grafts.

FOL-005, a hair growth promoter, acts locally on mouse skin where injected and could be a promising hair loss treatment.

Hair transplantation in East Asians needs special techniques to ensure natural results and prevent complications due to their unique hair and scalp characteristics.

A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.

Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.

5% and 2% minoxidil solutions effectively promote hair growth and reduce hair loss, with 5% being slightly more effective but having more side effects.

Eclipta alba extract may help hair grow similarly to Minoxidil.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.

Growth factors are crucial for hair development and could help treat hair diseases.

Iron deficiency common in women, not always linked to hair loss; more research needed.

Exosomes from dermal papilla cells help hair growth by making hair follicle stem cells multiply and change.

Blue light promotes hair growth by interacting with specific receptors in hair follicles.

Dermal papilla cells help wounds heal better and can potentially grow new hair.

PHBV nanofiber matrices help wounds heal faster when used with hair follicle cells.

Cosmetic treatments like bleaching and perming can greatly reduce opiate levels in hair, possibly leading to false-negative drug tests.

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

Different methods of preparing Platelet-Rich Plasma (PRP) can affect wound healing and hair regrowth in plastic surgery. Using a kit with specific standards helps isolate PRP that meets quality criteria. Non-Activated PRP and Activated PRP have varying effects depending on the tissue and condition treated. For hair regrowth, Non-Activated PRP increased hair density more than Activated PRP. Both treatments improved various aspects of scalp health.

Skin grafts are effective for chronic leg ulcers, especially autologous split-thickness grafts for venous ulcers, but more data is needed for diabetic ulcers.

Finasteride for hair loss may cause persistent sexual symptoms, depression, anxiety, and lower quality of life.

Hair follicle stem cells can turn into various cell types and help repair nerves.