15 citations,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
4 citations,
August 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
4 citations,
November 2017 in “Journal of Cosmetic Dermatology” Certain polymers can stick to hair and increase volume, working best at a pH of 7 to 9.
Different treatments change the strength and flexibility of human hair.
25 citations,
May 2020 in “Progress in Organic Coatings” Castor oil-based polyurethanes are promising for making safe, strong-performing, eco-friendly hair-styling products.