3 citations
,
January 2002 in “Springer eBooks” Alkaline hair relaxers damage hair, but cationic and non-ionic polymers can help reduce this damage.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair conditioner is safe, effective, and affordable.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair conditioner is safe, effective, and affordable.
17 citations
,
May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
4 citations
,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
54 citations
,
September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
74 citations
,
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.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The polyherbal hair oil with flaxseed promotes hair growth and health.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 7 citations
,
July 2011 in “Archives of Dermatology” Alopecia areata caused a boy's hair to regrow straight instead of curly, but the exact reason is unknown.
18 citations
,
August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
December 2021 in “Asian journal of pharmaceutical and clinical research” The homemade hair oil made from natural ingredients helps hair grow, reduces hair fall, dandruff, and graying, and makes hair shiny with few or no side effects.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
15 citations
,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
January 1961 in “The Journal of Anthropological Society of Nippon” Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
June 2024 in “British Journal of Dermatology” Hair oiling has become popular in the West due to globalization and social media.
5 citations
,
June 2019 in “British Journal of Dermatology” Chemical hair straightening may be linked to a type of permanent hair loss.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The polyherbal hair oil with flaxseed promotes hair growth and health.
1 citations
,
January 2025 in “JAAD reviews.” Personalized hair care strategies are needed for Black cancer patients to prevent hair loss during chemotherapy.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.