Background: Finding alternative hair dyes for individuals allergic to para-phenylenediamine (PPD) has been difficult. Newer permanent and demipermanent hair dyes that have replaced PPD with para ...
Hair turns gray (or white) when your hair follicles stop creating melanin. Melanin is the substance that gives your skin and hair color. Your hair is always going through a cycle with distinct stages.
ST. JOHN’S, N.L. - A retired nurse and teacher in Newfoundland was honoured this week for her volunteer work, which included more than two decades washing the hair of bedridden hospital patients.
If you buy something, we may earn an affiliate commission. The best hair styling products for men make our morning routines quick, effective, and uneventful—like in the movies. (We're aiming for ...
Feb. 20, 2024 — The drug finasteride, also known as Propecia or Proscar, treats male pattern baldness and enlarged prostate in millions of men worldwide. But a new study suggests the drug may ...
The intensity of hair color depends on the density of pigment within the melanosome. Both eumelanin and pheomelanin are made from the amino acid tyrosine, using the enzyme tyrosinase. Increased ...