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Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Lactate production is important for activating hair growth stem cells.

PDGF isoforms can promote and sustain hair growth.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.

EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.

Muscles and nerves that cause goosebumps also help control hair growth.

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

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

The study showed that hair follicle stem cells can maintain and organize themselves in a lab setting, keeping their ability to renew and form hair and skin.

Liposomes can safely and effectively deliver substances to mouse hair follicles, potentially useful for human hair treatments.

Vitamin D receptor is crucial for starting hair growth after birth.

NLCs with manual massage greatly improve clobetasol delivery to hair follicles.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

Noncoding dsRNA boosts hair growth by activating TLR3 and increasing retinoic acid.

Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.

α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.

Lymphatic vessels are essential for hair follicle growth and skin regeneration.

Hoxc genes control hair growth through Wnt signaling.

Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.

BMP6 and Wnt10b control whether hair follicles are resting or growing.

The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.

Caffeine applied to the scalp can protect hair follicles from UV damage.

Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.

Loss of Fz6 disrupts hair follicle and associated structures' orientation.

Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.

The new lab-grown skin model is good for testing sunscreen's protection against DNA damage from UV light.