Understanding Coal Tar dyes in Food: Facts and Controversies Food colouring and other additives derived from coal tar have come in for some bad press recently. Hugh Westbrook delves into the ...

Ever Since the establishment of gas Works it has been considered a matter of great impbftpnee to find some useful application fdr their waste products, principally the coal tar The old custom was ...

THE term 'chemical industries' in its wider significance comprises all those manufactures in which the formation of the products sold depends on chemical interactions and is certainly not confined ...

These colors, for there are many of them, have been prepared from the alkalies of coal tar by Messr3. W. Perkins and A. H. Church, two rising discoverers, and have been called by them nitroso ...

When it comes to personal care, many of us assume the products we use daily are safe. However, hidden within attractive ...

For his scalp, he was prescribed betamethasone valerate foam 0.12% to be applied directly to the scalp once a day and told to use a tar shampoo containing 4% neutar solubilized coal tar extract (1 ...

Shampoos for psoriasis may include active ingredients like salicylic acid, coal tar, or clobetasol propionate. Psoriasis is a long-term inflammatory condition that affects the skin and other parts ...