Hair care products can cause skin irritation and allergies.
May 2026 in “International Journal of Cosmetic Science” Ozonated water damages hair structure and proteins.
9 citations
,
January 2023 in “Langmuir” Solubility in skin changes with hydration, affecting chemical absorption.
Bleaching hair twice makes it very dry and weak.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
53 citations
,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
September 2014 in “Daehan miyong hakoeji” Adding 2% glycerin or hyaluronic acid to permanent wave treatments reduces hair damage, with hyaluronic acid being more effective.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
20 citations
,
November 2012 in “Methods in molecular biology” Superhydrophobic surfaces can prevent fouling and enable self-cleaning in microfluidic devices.
22 citations
,
November 2014 in “Proteins Structure Function and Bioinformatics” Cysteines in wool fibers are accessible and form important disulfide bonds.
4 citations
,
July 2015 in “Clinical, cosmetic and investigational dermatology” The shampoo is very effective and safe for use after hair transplants.
Soapnut shampoo cleans hair naturally, promotes growth, reduces dandruff, and is gentle on the scalp.
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.
106 citations
,
June 1990 in “Journal of Investigative Dermatology”
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
7 citations
,
May 2007 in “Nutrition Journal” Hair pluckability is not a reliable method for assessing nutrition.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
18 citations
,
January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
1 citations
,
January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
July 2007 in “International Journal of Cosmetic Science” The new polymer improves dyed hair's color, moisture, shine, and smoothness.
86 citations
,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
21 citations
,
March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
69 citations
,
April 2005 in “Forensic Science International” Degraded hair shafts resist contamination and can be easily cleaned.
May 2025 in “Afyon Kocatepe University Journal of Sciences and Engineering” The treatment process effectively removes many pollutants from cosmetics wastewater, but more research is needed to improve it.
Perms can damage hair and scalp, so proper assessment and care are essential.
January 2013 in “Shanghai Textile Science & Technology” Milk protein treatment reduces pilling in rabbit hair fabric.
July 2023 in “Polish Journal of Veterinary Sciences” Commercial dog shampoos vary in quality and characteristics.