Faux leather is false or imitation leather. This material is used in many products such as jewellery box, bags, shoes, and clothes. Here are some helpful steps to guide you cleaning stains or removing contaminants on faux leather.
1 Blot the Stains
If the faux leather gets contaminated with liquids, vomit, food, or any other contaminant, make sure to blot it with paper towels as quickly as possible. This way, the stain to be cleaned is minimized substantially, thus saving a lot of cleaning time.
2 Prepare Soapy Water
To prepare soapy water, fill a container with warm water halfway up. Add a good dish detergent and mix well until it forms bubbles. Never use harsh detergents as this may damage the material.
3 Wipe the Stains
Dip a clean, soft rag in the soapy water and squeeze off the excess water. Never allow the water to be dripping off the rag in order to avoid over-saturating the fake leather with water. Gently wipe the stains clean with the damp rag until the stain is removed. Wipe off the area with a clean, dry, soft rag afterward. The trick is to dampen the leather with only enough moisture to allow efficient cleaning so it can dry quickly to minimize the risk of damage.
When working on a large surface area, work on the stains one portion at a time; never wipe a large portion all at once. Use the damp rag on a small area first and wipe it dry. Afterwards, proceed to the next spot, following the same procedure until the entire surface has been covered. This will ensure that the leather does not get wet for any long period of time. Letting faux leather stay wet too long may cause it to get damaged. For the same reason, you should never allow the leather to be saturated or soaked with water.
4 Polish the Material
This is an optional step but is necessary if the leather material needs to be rebuffed. Spread a small amount of the polish on a clean dry rag and use it to wipe cleaned faux leather surfaces.
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https://www.doityourself.com/stry/how-to-clean-faux-leather

Source: wikiHow. (2017). Maintaining Polyurethane Leather.