February 2004 in “The New England Journal of Medicine” The book is a comprehensive and current guide on hair disorders, with minor flaws.
March 2001 in “Zenodo (CERN European Organization for Nuclear Research)” March 2001 in “Zenodo (CERN European Organization for Nuclear Research)” 
Hair loss can cause significant social and emotional issues, especially for women and young men.
February 2025 in “Biomimetics” The shampoo straightens hair while keeping it healthy and less damaged.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
November 2023 in “Cosmetics” Rice derivatives in conditioners protect and improve hair health.
70 citations
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June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
5 citations
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October 2024 in “International Journal of Molecular Sciences” Piperonylic acid may help hair growth and treat hair loss.
3 citations
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January 2010 
September 2022 in “Polish Hyperbaric Research” Some treatments for hair loss, like finasteride, biotin, and minoxidil, can be effective, but their success varies by individual case.
8 citations
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May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
May 2025 in “Preprints.org” Olive oil byproducts can improve skin and hair care products due to their beneficial compounds.
May 2025 in “Preprints.org” Olive oil byproducts can improve skin and hair care products and help prevent skin cancer.
April 2025 in “Cosmetics” Clinopodium bolivianum essential oil boosts antioxidant activity in hair products, especially in combing cream.
Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
December 2021 in “Cosmetics” May 2025 in “Preprints.org” Olive oil byproducts can be used in skincare for their antioxidant and protective benefits.
12 citations
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August 2022 in “Ecotoxicology and Environmental Safety” A new method accurately detects bisphenols and parabens in human hair.
10 citations
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February 2018 in “Royal Society Open Science” Modified wheat protein in shampoo repairs and smooths damaged hair effectively.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
17 citations
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March 2006 in “Journal of Cosmetic Dermatology” Hormonal changes during and after pregnancy can cause hair growth changes and hair loss, with treatments available for some conditions.
1 citations
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April 2022 in “International Journal of Women's Dermatology” Classifying curl patterns might help doctors assess and treat hair loss better.
7 citations
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January 2017 in “Clinical and medical investigations” Suriname uses many plants for beauty, with potential for a beauty industry, but more evidence is needed for product effectiveness.
January 2017 in “한국약용작물학회지” Houttuynia cordata extract may help hair growth without harming hair cells.
December 2015 in “International Journal of Ayurvedic Medicine” The review lists substances from an ancient text that are good for hair health.
October 2023 in “Journal of Indian System of Medicine” Ayurveda can help treat premature hair graying with lifestyle changes and herbal remedies.
December 2017 in “Jurnal Farmanesia” Red Palm Oil promotes hair growth more effectively than Extra Virgin Olive Oil.
January 2015 in “Hair therapy & transplantation” New hair and scalp disease diagnosis methods are important for correct treatment.