"That is except if you have really dark or black hair. Black hair dye can look harsh, especially against aging skin, so try going a shade or two lighter." Every specialist we spoke to agreed that ...
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 ...
Straightening or curling creams contain formaldehyde, permanent dye, and aromatic chemical intermediates, all of which are carcinogenic (may cause cancer).
Women who regularly use permanent hair dye may be putting themselves at increased ... in dark brown and black than there are in blonde.' Also, Corbett contends that the researchers 'seem to ...