January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
February 2009 in “Springer eBooks” Hyperpigmentation is common in pregnancy and may not fully fade after birth; melasma, also frequent, can persist but has limited treatment options during pregnancy.
Different treatments change the strength and flexibility of human hair.
Hair care products can cause skin irritation and allergies.
47 citations
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June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
11 citations
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June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
6 citations
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January 1988 in “PubMed” Swimming in pools with high copper can turn hair green, especially if hair is damaged.
3 citations
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July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
1 citations
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October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
1 citations
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February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
1 citations
,
November 2012 in “International Journal of Dermatology” L'Oréal's research and workshops have advanced understanding and tailored cosmetics for African hair and skin.
April 2026 in “Journal of the European Academy of Dermatology and Venereology” Africa needs its own dermatology guidelines to address unique skin challenges and improve care.
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
April 2017 in “Journal of Investigative Dermatology” 10% carbamide peroxide is safe and effectively reduces mild to moderate acne.
9 citations
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March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
51 citations
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March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
20 citations
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September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
May 2026 in “Journal of Photochemistry and Photobiology” Solar radiation and pollution damage hair, especially light-colored and bleached hair.
5 citations
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January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
4 citations
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August 2018 in “International Journal of Research -GRANTHAALAYAH” Catalase in processed meats may cause cancer by emitting electromagnetic fields.
October 2025 in “Brazilian Journal of Case Reports” Combining PRP and mesotherapy effectively improved hair density and scalp health in a patient with severe hair loss.
May 2013 in “CRC Press eBooks” Electrolysis and laser treatments offer more permanent hair removal, but have limitations.
38 citations
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November 2012 in “Expert Opinion on Drug Safety” Common acne treatments can cause various side effects, like skin irritation and more serious issues, but combination therapies are often more effective and better tolerated.
32 citations
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March 2006 in “PubMed” Eflornithine cream slows facial hair growth and works well with other treatments.
4 citations
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October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
November 2024 in “International Journal of Cosmetic Science” Hair absorbs moisture differently based on its structure and treatment, with changes occurring at 30% humidity.
April 2022 in “Book Publisher International (a part of SCIENCEDOMAIN International)” Catalase in processed meats may emit electromagnetic fields that increase cancer risk.
October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.
August 2018 in “Zenodo (CERN European Organization for Nuclear Research)” Catalase in processed meats may increase cancer risk due to electromagnetic emissions.