In March 2019 researchers from Saudi Arabia and the USA published their review of the medical scientific literature to assess the role of vitamins and minerals in hair loss. A … Read more
Premature greying hair may be an indicator that the hair is not getting enough nutrients and minerals
In November 2018 researchers from Egypt published the results of their study to assess the role of iron, copper and calcium in premature hair greying. They stated that hair is … Read more
Hairdressers using hair dyes tend to have an increased level of oxidative stress which is a risk factor for cancer
In May 2018 researchers from Italy published their study to assess the level of oxidative stress in hairdressers and consumers exposed to hair dyes. Saliva samples were collected from hairdressers, … Read more
p-phenylenediamine
Discrepancies between labelling and content have been found in a small group of hair dyes sold in Europe
In April 2017 researchers from Sweden and Italy published the results of their comparison of the labelling and content of hair dyes. A total of 52 hair dyes, from 11 … Read more
Researchers call for the pH value of shampoos to appear on the label; a shampoo with a pH of over 7 appears to cause hair cuticle damage and hair breakage whereas a pH of under 7 causes less frizz
In July 2014 researchers from Brazil published their review of the medical scientific literature as well as their analysis of 123 international brands of shampoo to assess the effect of … Read more