89 citations,
January 2009 in “Advances in Clinical Chemistry” Fetal skin heals without scarring due to unique cells and processes not present in adult skin healing.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
6 citations,
October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
235 citations,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
18 citations,
April 2014 in “Stem cells” The study found stem cells in minor salivary glands that can differentiate and are involved in tumor formation when exposed to tobacco.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
June 2022 in “Research Square (Research Square)” Nestin-expressing cells turn into a specific type of skin cell in hair follicles during development and in adults.
May 2022 in “Research Square (Research Square)” Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
92 citations,
September 2019 in “ACS nano” A wearable device using electric stimulation can significantly improve hair growth.
23 citations,
January 2015 in “Stem cells international” Coating surfaces with human hair keratin improves the growth and consistency of important stem cells for medical use.
3 citations,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
20 citations,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
238 citations,
October 1994 in “Current opinion in genetics & development” The document concludes that recent research has improved understanding of skin diseases and the balance between cell growth and differentiation in the epidermis.
140 citations,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme 25 Hydroxyvitamin D 1 α-Hydroxylase is essential for healthy skin and recovery after skin damage.
2 citations,
May 2022 in “International journal of molecular sciences” Changes in KRT17 gene activity linked to wool production in Angora rabbits.
1 citations,
January 2023 in “International journal of molecular sciences” Rabbits with Sarcoptes scabiei had thicker skin, cell death, and skin hardening.
February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
M-CSF-stimulated myeloid cells can turn into skin cells and help heal wounds and regrow hair.
11 citations,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
3 citations,
February 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
3 citations,
August 2017 in “Clinical case reports” A rare skin condition causes red and dark patches on the face and limbs.
45 citations,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
32 citations,
February 2019 in “eLife” BMP signaling is essential for the development of touch domes.
October 2023 in “Applied sciences” Iris germanica rhizome-derived exosomes help protect skin cells from oxidative stress and aging.
3 citations,
January 2010 in “Elsevier eBooks” The document describes various skin conditions, their features, and treatments but lacks detailed study size information.
January 2018 in “Stem cell biology and regenerative medicine” ATP-dependent chromatin remodeling is crucial for skin development and stem cell function.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.