2 citations
,
July 2025 in “Forensic Sciences” Anabolic-androgenic steroids can damage the brain, causing mood and cognitive problems.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
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.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
April 2026 in “Microscopy Research and Technique” The high-cost product with coconut oil and glycerol effectively restores severely damaged hair.
3 citations
,
May 2009 in “International Journal of Cosmetic Science” Relaxer treatments damage African–American hair, with commercial products causing more harm than lab-made solutions.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
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.
3 citations
,
January 2021 in “Minia Journal of Medical Research” Cyclophosphamide severely damages the intestinal lining in rats.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
3 citations
,
April 2012 in “Bioinformation” Two specific SNPs in the TRPS1 gene cause excessive hair growth by altering the protein's structure.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Hair dyeing changes hair structure, but new technologies help protect hair while coloring.
June 2025 in “Cancer Management and Research” Improving hair health and managing conditions can enhance scalp cooling effectiveness in preventing hair loss during chemotherapy.
January 2025 in “Dermatology Research and Practice” The treatment effectively repairs and strengthens damaged hair by restoring natural lipids.
4 citations
,
September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
4 citations
,
November 2024 in “Scientific Reports” 16-MHA can restore damaged hair's protective barrier and moisture balance.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
20 citations
,
January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
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.
January 2012 in “Elsevier eBooks” New treatments for skin and hair repair show promise, but further improvements are needed.
9 citations
,
April 2016 in “Cutaneous and ocular toxicology” Alpha Lipoic Acid helps protect skin from smoking damage.
Epidermal growth factor speeds up hair cell regeneration in chickens after gentamicin damage.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
5 citations
,
September 2018 in “International journal of genomics” Genetic mutations that disrupt homocysteine breakdown lead to increased damage in mouse hair keratin.
Modern hair styling products don't repair hair but improve its surface and stability.
January 2016 in “SpringerBriefs in bioengineering” Genetic defects and UV radiation cause skin damage and aging.
150 citations
,
July 2001 in “Clinics in dermatology” Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.