Layer colors lightly on the paper
Use a blending stump, cotton swab, or tissue to mix the pastel
Apply a small amount of baby oil or odorless mineral spirits with a brush or cotton swab
Blend with your finger for soft transitions
Overlap colors and rub gently in circular motions
Build up layers gradually for smoother blending
Use a colorless blender if available
Work from light pressure to heavier pressure
Keep the surface clean to avoid muddy colors
Reapply pastel after blending if needed