The pigments I use are of the highest quality, bought direct from the manufacturer: ‘Absolute Perfection Pigments‘. Pigments can vary from supplier to supplier but they mainly consist of glycerine, isoproplyl and distilled water. Pigments are usually iron oxides, one of the most used colouring agents in cosmetics for over a century.
Iron is the most stable and most common of all the elements. It is non-toxic. Iron oxides are safe. If someone has a reaction to cosmetics it is usually because of the perfume, preservatives and other additives added to the base of colour, not the iron oxide. Iron oxide has been used since about 1900 as a colouring agent.