According to Agir pour l'Environnement, the French candy producing company, Verquin Confiseur has committed to no longer use titanium dioxide in the manufacture of all their candies (see https://www.agirpourlenvironnement.org/communiques-presse/nanoparticules-e171-verquin-confiseur-renonce-utiliser-le-dioxyde-de-titan-31019)

This decision follows the publication of a study performed by French National Institute for Agricultural Research (INRA) and the French Agency for Food, Environmental and Occupational Health and Safety (ANSES) demonstrating disorders of the immune system and precancerous bonds related to the absorption of the additive E171 in the nano-particulate state. The study was publsiehd in Nature Scientific Reports and can be downloaded at http://www.nature.com/articles/srep40373