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New effective scar treatments are urgently needed due to the current options' limited success.

Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.

Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.

Some medicinal plants can help heal wounds and may lead to new treatments.

Stem cell niches support, regulate, and coordinate stem cell functions.

Early development of hair, teeth, and glands involves specific signaling pathways and cellular interactions.

Blocking JAK-STAT signaling can lead to hair growth.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Stem cell self-renewal is complex and needs more research for full understanding.

Keratinocytes help heal skin wounds by interacting with immune cells and producing substances that kill pathogens.

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

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

The conclusion is that Treg-targeted therapies have potential, but more knowledge of Treg biology is needed for effective treatments, including for cancer.

Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

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

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

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

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

KGF and activin are crucial for skin healing and repair.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Blocking the Wnt pathway could lead to new treatments for cancer and tissue repair but requires careful development to avoid side effects.

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

PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.

Hirsutism is more linked to high androgen levels than acne or hair loss, and a mix of hormonal tests is best for diagnosis; certain treatments can reduce symptoms.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Laminin-511 is crucial for early hair growth and maintaining important hair development signals.