Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
September 2015 in “The European physical journal. E, Soft matter and biological physics/The European physical journal. E, Soft matter” Longer time setting curls overnight leads to better curl retention.
3 citations,
September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
22 citations,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
1 citations,
September 2022 in “Pharmaceutics” The stiffness of a wound affects hair growth during healing, with less stiff areas growing more hair.
October 2024 in “Acta Biomaterialia” Collagen makes skin stiff, and preservation methods greatly increase tissue stiffness.
41 citations,
May 2018 in “Nutrition and healthy aging” Skin aging is largely due to differences in stiffness and elasticity between skin layers, leading to wrinkles.
1 citations,
August 2023 in “Advanced Drug Delivery Reviews” Microneedles are promising for long-acting drug delivery and can improve patient compliance, but more data is needed to confirm their effectiveness.
June 2020 in “Journal of Investigative Dermatology” More research with diverse participants is needed to determine the effectiveness of photobiomodulation devices for hair loss treatment.
37 citations,
September 2018 in “Journal of the American Academy of Dermatology” Ruxolitinib can help regrow hair in severe alopecia areata.
119 citations,
March 2020 in “Frontiers in Bioengineering and Biotechnology” Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.
34 citations,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
19 citations,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
4 citations,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
2 citations,
February 2024 in “Nature cell biology” Mechanical forces are crucial for shaping cells and forming tissues during development.
July 2023 in “Research Square (Research Square)” Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.
18 citations,
August 2017 in “PLOS ONE” Skin and its underlying fat layer act together to resist mechanical stress, and reinforcing this composite structure may help more with anti-aging than just strengthening the skin alone.
5 citations,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
61 citations,
April 2023 in “Bioactive Materials” Microneedles are effective for painless drug delivery and promoting wound healing and tissue regeneration.
10 citations,
July 2015 in “International Journal of Trichology” March 2024 in “EMBO molecular medicine” Antiviral drugs, especially daclatasvir, may be a new treatment for a rare skin disease, improving survival and reducing symptoms in mice.
1 citations,
January 2018 in “PubMed” Women with PCOS have a similar chance of getting pregnant using assisted reproductive treatment as those without PCOS.
8 citations,
December 2017 in “Cancer Medicine” Finasteride use may increase the risk of male breast cancer.
The new algorithm removes hair from skin images better than previous methods, helping diagnose melanoma.
88 citations,
May 2011 in “British Journal of Clinical Pharmacology” High doses of cyproterone acetate are linked to an increased risk of developing meningioma.
6 citations,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
70 citations,
November 2013 in “The BMJ” Tamsulosin for enlarged prostate may increase the risk of severe low blood pressure, especially when starting or restarting the medication.
59 citations,
February 2021 in “BMJ” High doses of cyproterone acetate increase the risk of brain tumors in women, but the risk decreases after stopping the medication.
28 citations,
August 2014 in “Cancer Causes & Control” Taking 5α-reductase inhibitors does not significantly increase the risk of breast cancer in men.