November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
January 2001 in “Zhongguo linchuang jiepouxue zazhi” Human hair keratin may help repair spinal cord injuries.
January 2001 in “China Surfactant Detergent & Cosmetics” Both conditioners help protect hair from perm damage, but their effectiveness varies.
Perming, combing, and stretching damage hair by reducing keratin levels.
1 citations
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January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
September 2023 in “Journal of Natural Fibers” Drying hair with a microfiber towel better maintains hair strength and structure than using a cotton towel or blow-drier.
The keratin-based cream effectively repaired and improved damaged hair.
Anti-keratin antibody from cow milk makes damaged hair stronger and less likely to break.
2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
1 citations
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January 1987 in “Journal of Society of Cosmetic Chemists of Japan” The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
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.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
1 citations
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September 2008 in “International Journal of Cosmetic Science” Using chelants in hair dye reduces fiber damage by preventing harmful radicals.
April 2017 in “Journal of Investigative Dermatology” Chemotherapy and radiation therapy cause skin and hair damage by altering gene expression and signaling pathways.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
1 citations
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July 2021 in “IntechOpen eBooks” Environmental factors can cause mutations in skin proteins, leading to skin disorders.
January 2026 in “Molecules” A new perming method is less damaging to hair and works as well as traditional methods.
Alopecia areata is reversible because hair follicles can regenerate due to stem cells.
January 2014 in “한국미용학회지” UV-A radiation significantly damages semi-permanent dyed hair.
October 2012 in “한국미용학회지” For best curls and hair health, use keratin and ceramide after rinsing, or skip rinsing for stable curls.
November 2025 in “Repositorio Comunidad Politecnico Grancolombiano” Milagros enterprise Group S.A.S. plans to expand globally by exporting its Professional Intensive Repair Mask to Mexico, France, and the U.S.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
Thermal straightening can damage ethnic hair and may pose health risks.
January 2009 in “Fashion business” Ayurvedic oils effectively reduce scalp bacteria and improve hair health.
34 citations
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June 2020 in “British journal of dermatology/British journal of dermatology, Supplement” Frontal fibrosing alopecia is linked to increased immune system activity and reduced stem cells, suggesting early treatment targeting this pathway might prevent hair follicle damage.