Liquitex Professional Palette Wetting Spray 237ml. Spray onto your acrylic colour to slow the drying process and stop it 'skinning' over.

Key Features
Keeps your colour/medium fresh and workable for longer
Slows drying time, thins paint and prevents 'skin' from forming on paints on the palette
Improves colour blending when applied to the painting surface
Maintains acrylic stability, paint adhesion, durability and archival quality
Ideal for dry and hot climates

How to Use
Spray over paints on the palette or a still-wet painted surface as often as you like
The more you spray on, the thinner and more transparent your colour will become
If you're working over a long period of time, mix into colour on the palette to keep it fresh for longer
Always rinse the spray through with warm soapy water after use, to prevent the acrylic formula from drying inside and causing clogs
Do not shake and do not use with any non-acrylic media