Blooming/Oil Blooming/Cottoning

When dull patches are formed on the painted surface, the defect is called Blooming or Cottoning.

Possible Causes	Solutions
Floating of Oil from the wood or stain to the Surface.	Use barrier coat to seal off the oil inside so that they do not escape to the surface.
Coating over a glaze	Allow longer drying time
Wiping Filler or Stain without adequately drying results in a Hazy appearance	Applying a heavily retarded lacquer sometimes removes the bloom.

Possible Causes