Stretching-setting treatment works for wool and human hair using specific equipment and methods.
3 citations
,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
2 citations
,
September 2017 Laser Lax is a new tool that measures scalp looseness accurately and comfortably.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
1 citations
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March 2010 in “International Journal of Cosmetic Science” The Aqualon SLT device measures hair stiffness and slipperiness to evaluate hair treatments.
February 2009 in “Journal of The American Academy of Dermatology” Fractional infrared technology is effective and safe for treating cervical laxity.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
75 citations
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September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
8 citations
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August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.
1 citations
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December 2022 in “Skin Research and Technology” The technique helps measure how hair styling ingredients affect hair's stiffness and flexibility.
January 2023 in “Fashion and textiles” Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
31 citations
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August 1986 in “Plastic & Reconstructive Surgery” Nonabsorbable sutures cause less wound stretching and scarring than absorbable ones.
January 2004 in “Drug Development and Industrial Pharmacy” GI197111X is best dissolved in Capmul MCM for trials.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
3 citations
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December 2021 in “Proteins” Wool fiber curliness is linked to the presence of certain proteins and K38.
6 citations
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December 1966 in “Textile Research Journal” Animal hair fibers like wool and mohair are strong when dry, but vicuna fibers are very brittle.
1 citations
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January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
1 citations
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October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
January 2010 in “EPub Bayreuth (University of Bayreuth)” Polyquaternium-87 reduces hair friction the most among tested polymers.
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.
12 citations
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September 2013 in “BMC Biophysics” Keratin filaments' elasticity is influenced by their terminal domains and surrounding medium.
November 2025 in “Frontiers of Agricultural Science and Engineering” Rhizobacterial strain RT3 helps lettuce survive drought by producing protective substances like proline.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
1 citations
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January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
2 citations
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December 2010 in “PubMed” The new stiffness test works well for gels but not for sprays.
5 citations
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September 2013 in “BMB Reports” BMPR1a-ECD reduces wrinkles much more effectively than retinoic acid.
13 citations
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March 2017 in “Skin Research and Technology” Formaldehyde damages curly hair more than glyoxylic acid.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
September 2019 in “Journal of Investigative Dermatology” Retinol significantly reduces neck wrinkles.