You scuff up existing paint for two reasons. First, you want to get rid of any oil, grease or dirt trapped in the top layer of paint. This is the stuff that cleaners and degreasers can't get off. The second reason to scuff is to set up a physical bond for the new primer and paint to adhere to. You want to give the old paint some tooth so the new sticks better.
Water-thinned interior paints are calcimine, casein, resin-emulsion, and gloss water paints. Calcimine consists of powdered whiting and clay mixed with an animal-glue binder and a preservative. It cannot be recoated, but can be easily washed off before redecorating.
Intensity refers to a colors brightness or saturation. Intensity refers to how pure a color is. For instance, if you were to use cadmium red straight from the tube, it would have a high intensity. If you were to mix it with another color however, its intensity would be diminished.
What emotions does it produce?
CONCLUSION. Once again go through the images and the story of the painting. Was your first impression different from what you see now? Take a 5-minute online test to explore your preferences in fine arts. In 5 minutes you will confidently say "I prefer impressionist cityscapes", or "This room calls for a color field painting", "I need to have an art nouveau nude in my bedroom" - and you will know what you are talking about!
You're not looking for perfection here, but you do want to eliminate every shiny spot of paint. When properly scuffed the paint should have a smooth, but dull matte finish.
If one has a bleaching or highlighting services done to their hair. The hair will be dryer from the use of bleach, or other lightening products with the addition of developer. Again, there are many remedies on the market today to alleviate the drying affect of coloring services given to the hair. Not to worry.