Check out this foundation brush master class. It has great tips that you can use.
Here's WTF It Means To Stipple Your Face
Bonus: Applying foundation with a stippling brush (instead of your fingers) will help the makeup last longer.
E.L.F. Studio Small Stipple Brush Review
ELF Studio Small Stipple Brush $3
Review + Comparison: Real Techniques Brush Collection
Real Techniques Brush Collection: Found at Ulta or online. These brushes are pretty amazing and they are especially wonderful to use at their inexpensive price point! Pro quality every time. | thebeautyspotqld.com.au