Do you remember this? So, here you have the finished version. You can also find a better resolution image in my deviantart.
About the work: I used 2 different colouring tutorials to complete it. First one is this, about shading of human face. Second one is about colouring in photoshop.
About the character: Let me introduce you Lucía Bien, a character of a forthcoming project. Stay tuned! ;)