September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
3 citations
,
January 2019 in “Skin research and technology” All wiping methods are as effective as washing for removing cleaning agent from hair.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
3 citations
,
March 2010 in “International Journal of Cosmetic Science” Functionalized silicones improve hair appearance, combing, and manageability.
2 citations
,
July 2013 in “Acervo Digital da Universidade Estadual Paulista (Universidade Estadual Paulista)” The shampoo effectively defines and models curls while reducing frizz and volume.
53 citations
,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
2 citations
,
September 2010 in “Journal of the Korea Academia-Industrial cooperation Society” Using 2% collagen in perms reduces hair damage while keeping curls.
1 citations
,
July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
January 2002 in “China Surfactant Detergent & Cosmetics” Shampoo D is best for fixing perm-damaged hair.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
3 citations
,
September 2020 in “Journal of cosmetic dermatology” Coconut oil makes hair stronger and more flexible than mineral oil.
4 citations
,
January 2006 in “International Journal of Cosmetic Science” The method shows how hair lipids form specific patterns and their roles in hair structure.
4 citations
,
October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
January 2015 in “Springer eBooks” The pull test and wash test are cheap, easy methods to diagnose hair loss.
25 citations
,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
September 2023 in “Journal of the American Academy of Dermatology” The hair care routine effectively improved scalp health and reduced fungus in children with kinky hair.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
May 2026 in “Jurnal Pendidikan Kimia Fisika dan Biologi” Rebonding damages hair cuticles, causing erosion and cracks.
49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
1 citations
,
January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
July 2026 in “Preprints.org” A cysteamine-derived compound helps hair stay straight in high humidity.
13 citations
,
January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
November 2001 in “PubMed” Perming, combing, and stretching damage hair by reducing keratin.
October 2024 in “Cosmetics” ATG effectively reduces hair frizz without damaging hair strength.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
June 2014 in “Professional Beauty”
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.
Curly wool has more orthocortex than straight wool.
September 2023 in “International Journal of Cosmetic Science” The shampoo improves hair conditioning without using silicone.