How to change color of Hair, Lips etc in our quickstarts / example

Following this link, you will find a number of subcategories for our API. You are specifically looking for the Makeup API and Beauty API. They both use the same effect, located at the top of their respective pages called Once it is loaded into your application and is selected by the end-user - you can call on its functions via the API outlined on those pages to change the color of Hair, Lips, and more.