Introduction: Upholstered furniture adds comfort and style to our living spaces, but it’s also susceptible to spills, stains, and everyday wear. Understanding the science behind upholstery stains is crucial for effective cleaning and maintenance. In this enlightening blog post, presented by K&S Carpet Cleaning Brighton, we’ll delve into the different types of upholstery stains and provide insights into how to tackle them based on the science behind their composition.


The Anatomy of Stains

Stains on upholstery result from various substances coming into contact with the fabric. Understanding the chemical composition of these substances helps determine the appropriate cleaning methods.


Common Types of Upholstery Stains:

  • Water-Based Stains (Coffee, Tea, Juice): These stains contain water-soluble compounds and colourants. Blotting the stain gently with a clean cloth, followed by a mild detergent solution, can often remove water-based stains. The key is to act quickly before the stain sets.
  • Oil-Based Stains (Grease, Butter, Oil): Oil-based stains are hydrophobic substances that repel water. Applying a dry cleaning solvent or an absorbent powder can help lift the oil from the fabric. Avoiding water-based cleaning methods is crucial, as they can spread the stain.
  • Protein-Based Stains (Blood, Milk, Egg): Protein-based stains are formed by proteins denaturing and bonding with fabric fibres. These stains should be treated with cold water and enzyme-based cleaners that break down proteins. Avoid hot water, as it can cause proteins to thicken and set.
  • Tannin-Based Stains (Wine, Tomato Sauce, Coffee): Tannin stains result from tannic acid reacting with fabric fibres. Blot the stain gently, and then treat it with water and vinegar or lemon juice. These natural acids help neutralise the tannins.
  • Ink Stains (Pen, Marker): Ink stains are pigments and dyes suspended in solvents. Alcohol-based solvents can often dissolve these stains. Test the solvent in an inconspicuous area before applying it to the stain.


Tackling Stains: A Scientific Approach

  • Blot, Don’t Rub: Always blot gently with a clean, absorbent cloth, regardless of the stain type. Rubbing can push the stain deeper into the fabric.
  • Test in an Inconspicuous Area: Before using any cleaning solution, test it in a hidden spot to ensure it doesn’t damage or discolour the fabric.
  • pH Matters: Different stains require different pH levels for effective removal. For example, alkaline solutions work well on protein-based stains, while acidic solutions are effective against tannin-based stains.
  • Enzymes and Surfactants: Enzyme-based cleaners break down organic stains, while surfactants help lift and suspend particles for easy removal.
  • Professional Expertise: For stubborn or delicate stains, seeking professional help from experts like K&S Carpet Cleaning Brighton ensures effective stain removal without risking fabric damage.


Conclusion: Understanding the science behind upholstery stains empowers you to address them effectively based on their composition. Quick action, appropriate cleaning solutions, and a gentle touch are essential to successful stain removal. Whether you’re dealing with water-based, oil-based, protein-based, tannin-based, or ink stains, a scientific approach will help you maintain the beauty and longevity of your upholstered furniture for years to come.

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This is a photo of a cream rug which is being professionally steam cleaned.

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