In general, water soluble oil colors will dry slightly slower than regular oil colors. Here are a few tips to help speed up the drying process:
- Place the artwork in a warm area with plenty of air circulation to dry
- Blend a little DANIEL SMITH Water Soluble Fast Drying Painting Medium into your colors before painting
- Blend a little water into your colors before painting (yields more of a matte finish)
EN 
JA 
FR 
IT 
DE 
ES 
NL 
UK 
VI 
ZH 
ZH_TW