66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
11 citations,
April 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.
20 citations,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
4 citations,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
2 citations,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
13 citations,
June 2011 in “International Journal of Cosmetic Science” Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
4 citations,
September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
18 citations,
October 2021 in “Frontiers in Physiology” Lipocalin-Type Prostaglandin D2 Synthase (L-PGDS) is a protein that plays many roles in the body, including sleep regulation, pain management, food intake, and protection against harmful substances. It also affects fat metabolism, glucose intolerance, cell maturation, and is involved in various diseases like diabetes, cancer, and arthritis. It can influence sex organ development and embryonic cell differentiation, and its levels can be used as a diagnostic marker for certain conditions.
1 citations,
April 2023 in “Langmuir” Damaged hair allows water to penetrate more easily, and fatty acids from shampoos can deposit on hair surfaces.
12 citations,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” Curly hair breaks due to mechanical damage and environmental factors, not chemical makeup, and needs ongoing care to prevent breakage.
86 citations,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
January 2016 in “SpringerBriefs in bioengineering” Genetic defects and UV radiation cause skin damage and aging.
23 citations,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
21 citations,
October 2006 in “International Journal of Dermatology” Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.
9 citations,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
8 citations,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
March 2024 in “Egyptian Journal of Veterinary Science” Nandrolone decanoate damages the heart, liver, and kidneys.
5 citations,
November 2015 in “International Journal of Radiation Biology” Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.
1 citations,
April 2017 in “Journal of Investigative Dermatology” D-OCT shows increased blood vessel growth in response to tissue damage in Frontal Fibrosing Alopecia and is useful for diagnosis and monitoring.
13 citations,
January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
2 citations,
December 2003 in “Medical electron microscopy” The skin and mucous membranes can regenerate over the basement membrane after damage, using nearby surviving cells.
September 2024 in “Journal of Cosmetic Dermatology” Quercetin-loaded nanoparticles protect human hair from UV-B damage.
3 citations,
September 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Keratin 75 is important for fast wound healing and works with SOX2 and the LINC complex to help skin cells move and repair damage.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
October 2021 in “Journal of Investigative Dermatology” The study concludes that as skin matures from infancy to childhood, there are major changes in cell differentiation, stemness, and growth, leading to a stronger skin barrier in older children.
84 citations,
April 2013 in “Applied Microbiology and Biotechnology” Mannosylerythritol lipids are good for skin and hair care products.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.