Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
June 2013 in “International Journal of Dermatology” Central lipohypertrophy in HIV-infected women may lead to shorter eyelashes.
Nanoparticles with caffeine can be used for slow, continuous hair growth stimulation.
December 2012 in “Journal of dermatological science” Hair follicles help attract immune cells to minor skin injuries.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
Higher methionine levels in pregnant rabbits' diets improve hair follicle development and hair fiber diameter in their babies.
January 2010 in “Journal of Yangzhou University” Sulfated fucans promote hair growth in mice by speeding up the growth phase and delaying the rest phase.
Melatonin helps regulate hair growth and may treat hair loss.
The treatment successfully integrated hair follicles into a dermal template, showing new hair growth and blood vessel formation.
May 2006 in “Dermatologic Surgery” Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.
Procyanidins and phosphatidic acids help promote hair growth.
Spironolactone does not change hair growth.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
January 2003 in “Journal of Clinical Dermatology” Cyclosporin promotes hair growth by boosting cell growth and reducing cell death.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
August 2000 in “Chinese Journal of Dermatology” Dermal papilla cells can successfully grow and maintain hair follicles.
January 2000 in “Optics Letters” Laser treatment can inhibit hair growth and different hair colors reach different temperatures when lasered.
September 1998 in “Journal of the European Academy of Dermatology and Venereology” March 1994 in “Proceedings of the British Society of Animal Production” Angora goats produce more hair faster than Cashmere goats.
Trichoriboside treatment helps maintain scalp hair by increasing cAMP levels in hair follicles of men with hair loss.
November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
March 2023 in “International Journal of Molecular Sciences” ADSC-Exos with miR-122-5p can help treat hair loss by promoting hair growth.
November 2022 in “Journal of Investigative Dermatology” Occipital hair follicles in male pattern baldness respond uniquely to testosterone, not androgen-insensitive.
October 2021 in “Journal of Investigative Dermatology” Poor blood supply in hair follicles is linked to nutrient deficiency in patients with female pattern hair loss, and adding more nutrients could potentially fix this.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
125 citations,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
102 citations,
July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
88 citations,
May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.