Ox hair brushes are very good for face painting with Grimas Water Make up. Ox hair Brushes are flat brushes with a straight top. The brushes have a red stem and the number indicates the approximate width in mm. The hairs of brushes R2 and R4 can be cut off at an angle to allow finer work.
The most popular size for beginners is R4. Larger sizes need practice to handle with confidence, but they do the job quicker.