2 citations
,
January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
May 2025 in “Journal of Photochemistry and Photobiology B Biology” Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
July 2012 in “British Journal of Dermatology” Hair loss treatments show limited improvement, sunscreen thickness affects vitamin D production, and the effectiveness of IVIg for toxic epidermal necrolysis is uncertain.
63 citations
,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
48 citations
,
February 2010 in “Molecular biology reports” KAP7.1 and KAP8.2 genes are crucial for cashmere quality in goats.
11 citations
,
November 2009 in “Brazilian Journal of Medical and Biological Research” Young C57BL/6 mice heal better than BALB/c mice, and older mice heal faster but regenerate worse.
9 citations
,
September 2017 in “Nanoscale Research Letters” Graphene oxide helps deliver a skin healing agent over time, improving skin and hair follicle regeneration.
3 citations
,
August 2018 in “Deleted Journal” Guasha changed rat skin appearance and blood vessels temporarily without affecting certain nerve proteins or fiber structure.
September 2025 in “Cell Reports” Skin stretching can improve vaccine delivery through hair follicles and boost immune response.
3 citations
,
December 2020 The interdigital gland in crossbred sheep is similar to skin and has specialized structures for secretion.
142 citations
,
September 2020 in “Journal of neurophysiology” Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
Modern hair styling products don't repair hair but improve its surface and stability.
15 citations
,
January 2002 in “Gynecological endocrinology” Hormones affect skin aging and fat distribution, and treatments can help, but only minoxidil is proven for female hair loss.
10 citations
,
July 2019 in “Journal of Asia-Pacific Entomology” Different silkworm varieties have varying nutrient levels in their powders, which may promote hair growth.
July 2025 in “Carbohydrate Polymers” The green alga Parachlorella sp. has potential for use in cosmetics and health products due to its antioxidant, anti-hypertensive, and hair growth properties.
61 citations
,
October 1996 in “Development” Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
8 citations
,
January 2020 in “Biomaterials Science” Researchers developed a scaffold that releases a healing drug over time, improving wound healing and skin regeneration.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
29 citations
,
October 2017 in “Journal of proteomics” The research found specific proteins that affect fiber characteristics and hair growth in sheep and goats.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
16 citations
,
April 2025 in “Foods” Perilla frutescens is a versatile herb with health benefits and potential in food and industrial uses.
1 citations
,
April 2025 in “Materials Today Communications” The dressing speeds up wound healing by mimicking skin's natural properties.
12 citations
,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
December 2024 in “Animals” Tithonia diversifolia extract improved digestion but didn't enhance lamb growth.
3 citations
,
November 2021 in “Frontiers in Genetics” Certain genes are linked to the quality of cashmere in goats.