https://www.ecocolors.net/ppd-free-hair-dyes.cfm

No ppd, no paraben, no sulfite, no propylene glycol, no resorcinol, no fragrance, no ... Creative nontoxic permanent hair color, free of paraben, sulfite, gluten, ...

https://eluxemagazine.com/beauty/10-of-the-best-natural-hair-dyes/

Tints of Nature's vegan-friendly hair dyes contain no resorcinol, nonoxynol, parabens, napthol or ammonia, and the average percentage of PPD (which depends ...

https://www.allergy-insight.com/ppd-free-hair-dye/

Sep 3, 2016 ... List of hair dyes free from PPD, and many free from PTD, ammonia, hydrogen peroxide, parabens, artificial colors and other synthetic chemicals ...

https://www.amazon.com/Corpore-Sano-Permanent-Colour-Does-Contain/dp/B00JQVUYQE

Herb Speedy PPD Free Hair Dye, Ammonia Free Hair Color Natural Black ... 1 Pack of Dark Brown Henna Hair Color/Dye - 150 Grams - Chemicals Free Hair ...

https://www.madison-reed.com/blog/ppd-and-why-we-don-t-use-it

Paraphenylenediamine—more commonly known as PPD—is a chemical substance that is commonly found in permanent hair color and other dyes. PPD in hair ...

https://health.usnews.com/health-care/patient-advice/articles/2017-05-15/are-you-allergic-to-hair-dye

May 15, 2017 ... People dye their hair to achieve all sorts of effects, from pastel purple streaks to buttery blonde strands to gray-concealing brunette tones to ...

https://www.medscape.com/viewarticle/747496

Most hair dye preparations contain para-phenylenediamine, which can be highly allergenic. Is there a safe alternative?

https://www.allure.com/story/clairol-natural-instincts-at-home-hair-dye-update

Jan 7, 2019 ... Clairol's Famous Natural Instincts Line of Hair Dye Is Getting a Major ... Most importantly, it's free from parabens, ammonia, and PPD/PTD.

https://www.skinsmatter.com/eczema_and_skin_conditions/hair-care/articles/ppd-alternatives-08-13.html

PPD-free hair dye products. Following on from Michelle Berriedale-Johnson's investigation into PPD hair dyes here, Alex Gazzola surveys what PPD-free and ...

https://naturvital.co.uk/shop/ppd-free-natural-hair-dye-colour/coloursafe-no-ammonia-ppd-free-hair-colour/

PPD FREE PERMANENT HAIR DYE WITH HIGH SKIN TOLERANCE. NaturVital ... NaturVital Coloursafe is free from Ammonia, Resorcinol Parabens and ...