April 2023 in “Journal of Investigative Dermatology” New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.
Type XVII collagen may help prevent skin aging.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
October 2025 in “Dermatology Practical & Conceptual” Early detection and treatment of acne can prevent scarring and improve quality of life.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
1 citations
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November 2020 in “Dermatologic Surgery” Using combined hair restoration methods can effectively treat severe scalp wrinkling.
45 citations
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
Type XVII collagen helps control skin cell growth and may have anti-aging effects.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
July 2023 in “Research Square (Research Square)” Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
43 citations
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November 2018 in “Nature Communications” Genetic variations affecting skin structure play a key role in severe acne.
13 citations
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June 2012 in “Dermatologic Surgery” Severe scars need a mix of treatments for best results.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
3 citations
,
August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
1 citations
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September 2022 in “Pharmaceutics” The stiffness of a wound affects hair growth during healing, with less stiff areas growing more hair.
16 citations
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December 2004 in “Aesthetic surgery journal” The hand rejuvenation method makes hands look younger by improving skin and filling out tissues.
13 citations
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January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
September 2022 in “PubMed” Collagen type XVII α1 decreases with age, leading to skin aging, but targeting microRNA-203b-3p may help maintain its levels and improve skin health.
February 2023 in “Journal of the European Academy of Dermatology and Venereology”
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
1 citations
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July 2017 in “Hair transplant forum international” Scalp laxity, elasticity, and glidability are important in hair transplants and can predict scar width at the donor site.
21 citations
,
July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
June 2021 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” 4 citations
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
20 citations
,
January 2013 in “Plastic & Reconstructive Surgery” The new device safely and effectively rejuvenates skin, making it thicker and healthier.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
2 citations
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February 2021 in “Developmental Cell” Middle-aged skin shows aging signs, and quercetin might help delay them.