Grumbacher Cobalt Drier is the only siccative that has been scientifically proven to be the least harmful to use for fine art painting. Cobalt Drier speeds drying of oil colors and oil painting mediums. Because it is extremely strong, Cobalt Drier should be used sparingly by applying it in drops....
Hazardous items cannot be sent outside the contiguous 48 United States and Canada and cannot ship express.
WARNING: This product contains a chemical known to the State of California to cause cancer. For more information go
Products bearing the CL seal of The Art & Creative Materials Institute (“Caution Label”) contain ingredients that are toxic or hazardous, but can still be safely used in controlled environments if directions on the container or packaging are followed. See Health and Safety for further information.
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2.5 oz | 74 ml |