No, the formation of soap scum is not a chemical change. Soap scum appears as the result of a physical change. Some of the soap and whatever has become incorporated into the soap and water dry. After the water is gone, the things left are from the soap and whatever mixed with the soap when it was "working" at cleaning.
Soap scum formation is a chemical change. It occurs when soap molecules combine with minerals in hard water to form a solid residue on surfaces. This process involves a chemical reaction between the soap and minerals, leading to the formation of the soap scum.
Soap isn't complete dissolvable in the water. That mixed with body oil (also undissovable) begins to build up and form a layer around the tub. "Ability to rust is a chemical property of iron" "Words such as rust, corrode usually signify a chemical change." p. 53 Sect. 2.4, from chem book by Prentice Hall ~ Yahoo Answers
The industrial soap scum remover is highly effective in removing tough soap scum build-up.
Soap scum is actually what you get when soap combines with minerals in your water which forms a chemical reaction. It is not bacteria or mold but it can be a house for bacteria to multiply and live. Some soap formulas leave more soap scum than others but they don't deposit bacteria or mold. Bleach is a great product for killing this bacteria and scum.
Vinegar and baking soda are effective at dissolving soap scum.
Metal ions in water can react with soap to form insoluble salts, known as soap scum. This can lead to reduced soap efficacy and result in soap scum buildup on surfaces.
Scrubbing Bubbles Soap Scum Remover is great at removing soap scum from your glass shower doors.
Vinegar and baking soda effectively break down soap scum.
The cast of Soap Scum - 2005 includes: Thom Rivera as Pedro
Shower gel typically leaves less soap scum compared to bar soap. This is because shower gel is water-soluble and easier to rinse off, while bar soap can leave behind residue that contributes to soap scum.
Liquid soaps and foaming soaps tend to leave less soap scum compared to bar soaps because they contain fewer fats and oils. Look for soaps that are specifically labeled as "residue-free" or "non-soap scum forming" for best results. Regular cleaning of surfaces with a mild detergent can also help reduce soap scum buildup.
To remove soap scum off a slate shower you will need a soap scum remover cleaning product. This is the best and easiest way to remove the scum. Some people use a bar of glycerin soap and have success. However, this will make the cleaning process longer.