2 citations
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January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
March 2011 in “Focus on surfactants” Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.
19 citations
,
April 2021 in “Journal of Cosmetic Dermatology” The treatment with silk proteins and linseed polysaccharides effectively protects and repairs chemically damaged hair.
November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
1 citations
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December 2022 in “Skin Research and Technology” The technique helps measure how hair styling ingredients affect hair's stiffness and flexibility.
February 2022 in “Cosmetic Dermatology” Permanent hair waving uses chemicals to create long-lasting curls.
11 citations
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June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
November 2025 in “Contact Dermatitis” Hair straightening products with glyoxylic acid can cause skin irritation and kidney damage.
3 citations
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June 2008 in “Springer eBooks” Hair care products clean, protect, style, color, and change hair structure.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
January 2002 in “China Surfactant Detergent & Cosmetics” Shampoo D is best for fixing perm-damaged hair.
28 citations
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January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Use heat protection and proper techniques to prevent hair damage from styling.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
May 2026 in “International Journal of Health Management Review” Alkaline substances can severely damage hair and scalp health.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
3 citations
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June 2023 in “ACS sustainable chemistry & engineering” The study found a green method for strengthening hair works on all hair colors and is eco-friendly.
Conditioners improve hair health and appearance, but eco-friendly alternatives to silicones are needed.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Hair relaxers are linked to reduced cystine levels and potential hair damage.
October 2025 in “Nephrology Dialysis Transplantation” Hair-straightening products with glyoxylic acid can cause kidney damage.
25 citations
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May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
NaOH treatment improves hair strength and suitability for textiles.
17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
September 2019 in “University of the Arts London Research Online (University of the Arts London)” Plant oils and polymers can help protect African hair from damage during styling.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
1 citations
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January 2017 in “Elsevier eBooks” Functional materials in hair care improve shine, volume, frizz control, color protection, and repair.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
3 citations
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August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.