Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
April 2017 in “Journal of Investigative Dermatology” Researchers improved a method to study individual cells in newborn mouse skin and found a way to assess the severity of a skin condition in humans.
May 2016 in “Research opinions in animal & veterinary sciences” Maternal aspartame consumption during pregnancy leads to skin damage and higher apoptosis in newborn rat offspring.
March 2015 in “Zagazig University Medical Journal” Damage to hair follicle stem cells may cause permanent hair loss and scarring in PCA.
86 citations
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June 2017 in “Anais Brasileiros de Dermatologia” Antioxidants can benefit skin health but should be used carefully to avoid negative effects.
127 citations
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January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
27 citations
,
January 2002 in “Exogenous Dermatology” Chronic exposure to sunlight may worsen male pattern baldness and protecting the scalp from the sun could slow it down.
1 citations
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January 2015 in “Springer eBooks” Chemotherapy can cause skin side effects that affect patients' lives, but they can be managed to avoid interrupting cancer treatment.
75 citations
,
March 2009 in “Journal of The American Academy of Dermatology” CCCA is a hair loss type affecting African women, possibly caused by grooming and chemicals, with various treatments and needing more research.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
23 citations
,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
1 citations
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May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
59 citations
,
November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
232 citations
,
October 2015 in “International journal of molecular sciences” Stem cells are crucial for skin repair and new treatments for chronic wounds.
72 citations
,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
8 citations
,
March 2014 in “American Journal of Pathology” Damaged hair follicles make mice more prone to skin inflammation and skin cancer after UV exposure.
5 citations
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November 2015 in “International Journal of Radiation Biology” Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.
December 2020 in “Macromolecular Symposia” These polymers can improve hair texture and reduce water loss in hair cosmetics.
2 citations
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August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.
September 2013 in “Molecular Biology” The document suggests that activating autophagy might help with regeneration by removing old and damaged cells.
1 citations
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December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
7 citations
,
March 2014 in “ISRN Biomaterials” Keratin hydrogel from human hair helps rats recover better from spinal cord injuries.
5 citations
,
May 2021 in “International Journal of Cosmetic Science” Healthy scalp leads to better hair quality and less damage.
January 2025 in “Advanced Materials Interfaces” Tannic acid can reduce hair loss by 56.2% by coating hair and releasing beneficial molecules.
October 2015 in “Cosmetic Dermatology” Hair straightening changes hair structure and can cause damage if done wrong, but improvements in the methods are expected to continue.
19 citations
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July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
MagicalRemedies serum effectively promotes healthy hair growth and reduces damage.
August 2024 in “Journal of Home Economics Research” Female youths should consult dermatologists and avoid fake hair products to prevent hair damage.