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Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.

Scientists recreated human hair follicles in the lab that can grow hair.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Human skin can be reconnected to nerves using stem cells, which may help with skin health and healing.

Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.

Latanoprost-loaded nanotransfersomes could help treat hair loss by promoting hair growth.

Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.

RU 58841 may treat acne, hair loss, and excessive hair growth.

Ganoderma lucidum extract promotes hair growth in bald rats, with higher doses producing better results, similar to the effects of Minoxidil 2%.

Vitamin C deficiency changes gene expression, affecting skin and hair health.

Scientists created keratinocyte cell lines from human hair that can differentiate similarly to normal skin cells, offering a new way to study skin biology and diseases.

Fat stem cell particles help regrow hair.

Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.

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

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

Platelet-rich plasma (PRP) may improve healing in chronic wounds and vitiligo and promote hair regrowth, but more research is needed.

Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.

Aging in hair follicle stem cells leads to hair graying, thinning, and loss.

Guasha changed rat skin appearance and blood vessels temporarily without affecting certain nerve proteins or fiber structure.

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

Fingerprints form uniquely before birth due to specific genetic pathways and local signals.

Hair and skin can regenerate without bulge stem cells due to other compensating cells.

A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.

Estrogen can temporarily slow down hair growth but this can be reversed.

The study found that combining SHG and OCT effectively monitors skin wound healing in mice.

Adipocytes can change into fibroblast-like cells to help with wound healing.

The article concludes that PRP might help with hair loss, but more detailed research is necessary.

Finasteride's effect on hair loss and prostate enlargement depends on its binding to an enzyme, with maximum impact at 0.2 mg dose.

Keloid skin disorder involves abnormal fibroblast activation and immune response, linked to a group of genes including FGF11.

Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.