Background: Finding alternative hair dyes ... substances in the dye series. All 10 patients who tested positive to PPD and negative to PTDS who subsequently used a PTDS dye free of PPD tolerated ...

Transformative Technology Meets Modern Haircare Needs with Clairol’s Latest Breakthrough, ColorStrong Clairol Unveils Its First-Ever Bonding Hair Color Line Transformative technology meets modern ...

2. Ingredients: We prioritise products that are free from harmful chemicals like ammonia, PPD, and parabens. 3. Coverage: We consider products that provide full coverage for grey hair. 4.