Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
January 2026 in “MitraMas Jurnal Pengabdian dan Pemberdayaan Masyarakat” Students' knowledge about hair health significantly improved after the workshop.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural plant-based hair dyes are safer and eco-friendly alternatives to synthetic dyes.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes using plants like henna and indigo are safer and eco-friendly alternatives to synthetic dyes.
1 citations
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January 2012 in “Human health handbooks” Hair color is determined by melanin types and gene activity.
February 2021 in “Journal of the Korean Society of Cosmetology” Castor oil improves the texture of bleached hair by increasing its strength.
3 citations
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June 2007 in “Journal of Cosmetic Dermatology” Using the right hair care products can improve hair health and help manage hair disorders.
Hair fiber research combines multiple sciences to improve hair care products.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
51 citations
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March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
13 citations
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November 2016 in “Human & Experimental Toxicology” Maternal exposure to artificial food coloring may increase skin disease risk in rat offspring.
September 2018 in “PubMed” Hair becomes thinner, grayer, and may fall out more as people get older, and styling habits can worsen these effects.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
19 citations
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May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
6 citations
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October 2003 in “Journal of applied polymer science” A new method using poly(ethylene imine) improves hair dyeing at lower temperatures with better color retention.
13 citations
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March 2010 in “International Journal of Cosmetic Science” Hair coloring increases copper and calcium uptake, damaging hair and reducing shine.
6 citations
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October 2006 in “International Journal of Dermatology” Hair splitting and nail detachment are linked conditions.
Bleaching hair twice makes it very dry and weak.
November 2024 in “Majalah Farmasetika” The natural hair dye gel with 12% Eleutherine bulbosa extract effectively colors bleached hair dark brown and is stable and non-irritating.
December 2023 in “Archaeopress Publishing Ltd eBooks” Past societies used natural ingredients for health and beauty.
February 2003 in “Journal of Cutaneous Medicine and Surgery” Fine hairs improve male pattern baldness treatment, alopecia areata causes remain unknown, and hair can recover from dye damage over time.
January 1996 in “대한피부과학회지” Wait at least 8 weeks between hair dyeing for cuticle recovery.
4 citations
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July 2016 in “Journal of cosmetic dermatology” Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.
2 citations
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December 1988 in “PubMed” C.I. Acid Orange 3 caused cancer in female rats but not in male rats or mice.