Editing Excipient (section)

===Colours===
[[Food colouring|Colours]] are added to improve the appearance of a formulation. Colour consistency is important as it allows easy identification of a medication. Furthermore, colours often improve the aesthetic look and feel of medications. Small amounts of colouring agents are easily processed by the body, although rare reactions are known, notably to [[tartrazine]].<ref name=sbm>{{Cite web|url=https://sciencebasedmedicine.org/whats-all-that-other-stuff-in-my-medicine-2/|title=What's all that other stuff in my medicine?|last=Gavura|first=Scott | name-list-style = vanc |date=February 21, 2019|website=Science-Based Medicine|archive-url=https://web.archive.org/web/20190221184000/https://sciencebasedmedicine.org/whats-all-that-other-stuff-in-my-medicine-2/|archive-date=February 21, 2019|access-date=February 21, 2019}}</ref> Commonly, titanium oxide is used as a colouring agent to produce the popular opaque colours along with azo dyes for other colors. By increasing these [[organoleptic]] properties a patient is more likely to adhere to their schedule and therapeutic objectives will also have a better outcome for the patient especially children.