Sennelier Cobalt Dryer 75ml Accelerator of the drying of oil colors with fast and energetic action. It is formulated based on cobalt. It not only accelerates drying time, but also improves the durability and resistance of the paint layers, ensuring the long-term conservation of the paintings. Can be used for painting outdoors, indoors or to add additional coats without having to wait for them to dry for days. It is usually used in very small mixing portions due to its great quick drying action. It is recommended to mix in small proportions of 0.5 - 5%. Excessive use or mixing may cause cracking. Application in oil colors. Diluent: Essence of turpentine or Essence of petroleum Before using the product, carefully read the instructions on the packaging. Contains 75 ml. Brand: Sennelier.