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Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.

Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.

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

EdnrB signaling helps melanocyte stem cells regenerate and could be targeted to treat pigmentation issues.

Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.

The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.

A substance called epidermal growth factor helps increase the growth of important hair follicle cells by activating a specific cell communication route.

Researchers developed a method to grow hair follicle cells for transplantation using a special chip.

Less AgNOR protein production is linked to hair loss.

The extract from Bacillus/Trapa japonica fruit helps increase hair growth and could be a potential treatment for hair loss.

Human hair grows better in a special gel that mimics skin.

A mix of specific inhibitors and a growth factor helps keep hair growth cells from losing their properties in the lab.

Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.

Removing Dicer from pigment cells in newborn mice causes early hair graying and changes in cell migration molecules.

The research found ways to activate melanocyte stem cells for potential treatment of skin depigmentation conditions.

Splitting one hair follicle into two can help regrow hair with a 50% to 70% success rate, useful when donor hair is limited.

The products significantly promote hair growth and maintain hair bulb health.

Isoliensinine, a natural compound, prevents stress-related hair greying by blocking a specific receptor on hair cells.

Japanese researchers created new hair follicles from human cells that grew hair when put into mice, and other findings showed a link between eye disease severity and corneal thickness, gene mutations affecting hearing and touch, and the safety of the shingles vaccine for adults over 50.

Improving dermal papilla cells can help regenerate hair follicles.

Hair follicle stem cells can form both hair follicles and skin.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Skin stem cells interacting with their environment is crucial for maintaining and regenerating skin and hair, and understanding this can help develop new treatments for skin and hair disorders.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

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

Androgens can both increase and decrease hair growth in different parts of the body.

Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.

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

Cytotoxic T cells cause hair loss in chronic alopecia areata.

Oxidative stress contributes to hair graying and loss as we age.