15 citations
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January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
74 citations
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January 2013 in “Journal of Investigative Dermatology” Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
August 2011 in “SpringerReference” 1 citations
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June 2022 in “Tidsskrift for Den norske legeforening” A young boy's uncombable hair is due to a rare genetic condition that usually improves over time.
Hair movement can indicate hair quality and health.
48 citations
,
August 1998 in “Developmental Biology” Deleting part of a gene in mice causes wavy hair and high pup loss.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair wax stick is a safe and effective natural alternative to synthetic styling products.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
Use gentle products and nourishing masks to keep thin hair strong and voluminous.
2 citations
,
September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
2 citations
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July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
June 2023 in “British Journal of Dermatology” A person with Werner syndrome was initially thought to just have female pattern hair loss.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair wax stick is a safe and effective natural alternative to synthetic hair products.
2 citations
,
January 2017 Hair movement can indicate hair quality and health.
16 citations
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January 1977
6 citations
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February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
3 citations
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March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
A bald man grew hair on his head after taking a drug called diazoxide, but lost it again when he stopped the medication.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
January 2022 in “Surgical & Cosmetic Dermatology” Isotretinoin can rarely cause hair to grow curly.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
4 citations
,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
4 citations
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February 2001 in “PubMed” A medication called sodium valproate likely caused a girl's hair to become kinky and dry.
July 2026 in “Open Minds International Journal” HIVEN Curl Code® may improve curly hair by reducing frizz and maintaining moisture.
January 2022 in “Consultant” June 2016 in “한국디자인문화학회지” UVA damages all hair types, especially permanently waved and colored hair.