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 grows in four distinct stages. The final stage involves the shedding of old hair, making room for new hair growth. Certain conditions can disrupt these stages. The growth and loss of hair may ...

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 ...

Hair thinning can happen to anyone, no matter their sex or age. Luckily, certain hair growth products are available with ingredients that can help slow down or even reverse the thinning process ...

A wide range of foods will be affected if the Food and Drug Administration (FDA) moves forward with plans to ban artificial red dye. According to the Eat Well Guide (EWG) Food Scores database ...

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 ...

The data displayed for this chart goes back to 1997, however we hope to be able to offer deeper historic information at a future point ...

The Official UK Singles Chart reflects the UK’s biggest songs of the week, based on audio and video streams, downloads, CDs and vinyl, compiled by the Official Charts Company. The UK Top 40 is ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Taylor Leamey writes about ...

Before joining InStyle, she worked as a reporter for a local newspaper in Nanuet, New York, as well as a beauty writer for Exhibit A, an online lifestyle publication. Allison is also a former ...

I have fine hair, and it’s hard not to burn with envy when a friend tells me they only have to wash their hair “once a week or so.” As I have smaller, less porous strands of hair (which ...