27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
1 citations
,
October 2023 in “Skin Research and Technology” Hair sunscreens were less effective than expected, especially for dark hair.
Oxidized hair can naturally regain strength and stability over six months.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
49 citations
,
April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
1 citations
,
April 2025 in “Revista científica FACS.” Ingredientes naturais podem ajudar a tratar a perda de cabelo de forma segura.
100 citations
,
October 1986 in “Clinical Endocrinology” Alopecia indicates more severe resistance to 1,25-dihydroxyvitamin D.
2 citations
,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
January 2023 in “Minds at UW (University of Wisconsin)” More research is needed to understand how shampoo chemicals affect hair strength and structure.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
21 citations
,
January 2016 in “NeuroImmunoModulation” Hair cortisol levels can indicate stress over the past three months.
2 citations
,
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.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
1 citations
,
January 2015 in “Journal of Society of Cosmetic Chemists of Japan” Keratin film can effectively measure hair texture and adsorption properties.
January 1994 in “Journal of the society of cosmetic chemists” December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
11 citations
,
June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
4 citations
,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
Oxidative stress, not insulin resistance, is linked to diffuse hair loss.
24 citations
,
October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
16 citations
,
November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
Human hair affects millimeter radiowaves due to its keratin content.
1 citations
,
January 1987 in “Journal of Society of Cosmetic Chemists of Japan” The method accurately measures hair damage and strength, revealing effects of cosmetics and metal correlations.
1 citations
,
January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.