EYES, NOSE, LIPS: You have to make a sketch of it first, then use pen for outlines and make sure that it is waterproof to avoid unexpected errors. Mix colors of your choice. Wet on wet technique is the key to mix it properly. Use white Signo Pen for highlights.
SKIN TONE COLORS
Burnt, brown, red, yellow and orange.
You can use both wet on wet and wet on dry technique. It is depends on your art style.
WET ON WET: Laying one color over another before it gets dry. This technique usually used for galaxy painting.
WET ON DRY: Waiting for the first color to dry completely before laying another color.
GRADIENT: Start off with dark tone and continue on laying your brush until you achieve a fading effects.
DRY BRUSH: Your brush should be slightly wet.
HOW TO WATERDROPS:
First layer for petal, shape the drops, put shadows and highlights. Use white signo pen for reflection.
Thank you! I hope this will help you 😍