September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” The new laser is effective, safe, and fast for permanent hair removal.
November 2016 in “University of the Arts London Research Online (University of the Arts London)” Shampoos with polymers and dyes help maintain and enhance hair color vibrancy.
January 2016 in “Journal of clinical case reports” Docetaxel treatment for breast cancer can cause permanent hair loss.
September 2014 in “Daehan miyong hakoeji” Adding 2% glycerin or hyaluronic acid to permanent wave treatments reduces hair damage, with hyaluronic acid being more effective.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
Rosehip extract improves hair treatment and waving efficiency with cysteine but not with thioglycolate.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
June 2008 in “Springer eBooks” The document concludes that permanent hair loss conditions are complex, require early specific treatments, and "secondary permanent alopecias" might be a more accurate term than "secondary cicatricial alopecia."
June 2007 in “Journal of Investigative Dermatology” Title change to "Central Centrifugal Cicatricial Alopecia (CCCA)"; common in African American women; hair-grooming methods may contribute; no effective therapy found; trials needed.
April 2026 in “Cosmetics” The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
October 2022 in “Hair Transplantation” Scalp micropigmentation offers a versatile solution for hair loss and scalp scarring.
Using silicon circular iron on Korean women's hair increases hair thickness the most.
58 citations
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March 1985 in “Journal of The American Academy of Dermatology” The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.
32 citations
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August 2019 in “Nature Communications” Chemotherapy causes permanent hair follicle damage by triggering stem cell loss.
14 citations
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May 2014 in “Archives of plastic surgery” The position of the parietal whorl can predict safe donor areas for hair transplants in Korean men with male pattern baldness.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
2 citations
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December 2013 in “Cancer Research” Some early breast cancer patients have long-term hair loss after chemotherapy, especially older and postmenopausal women.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
January 2006 in “Carl von Ossiezky University of Oldenburg” Unpigmented keratinocytes absorb substances faster, while melanocytes bind more strongly to melanin.
June 2005 in “British Journal of Oral & Maxillofacial Surgery” Advancements in aesthetic surgery from 2002-2003 include improved skin resurfacing, effective migraine surgery, satisfying hair transplants, alternative treatments for skin nevi, successful endoscopic midface enhancement, and safe techniques for facial rejuvenation.
5 citations
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February 2018 in “Military medicine” A U.S. Naval fighter pilot suffered permanent vision loss in one eye due to recurrent central serous retinopathy.
3 citations
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January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
1 citations
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March 2010 in “Hair transplant forum international” Quality control is important for tasks done by surgical assistants.
112 citations
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July 2012 in “The Journal of Sexual Medicine” Finasteride may cause long-lasting sexual side effects.
18 citations
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May 2023 in “Science Advances” Activating the sonic hedgehog pathway in chicken embryos can permanently change scales to feathers.
3 citations
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July 2019 in “Supportive Care in Cancer” The lotion CG428 did not show effectiveness in treating permanent hair loss in breast cancer survivors.
3 citations
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February 2013 in “The Journal of Sexual Medicine” Finasteride may cause lasting sexual side effects, but more research is needed.
July 2025 in “Journal of Investigative Dermatology”
January 2020 in “Acta dermato-venereologica” People with certain hair disorders may also have missing permanent teeth.