What Happens to My Wool Sweater in the Washer?

The video explains why wool sweaters shrink or get damaged in washing machines. It highlights the biochemistry of wool, which is made of protein, and how modern detergents contain enzymes that break down proteins, leading to damage. The structure of wool, with its cuticles, also contributes to shrinkage when agitated in water. To prevent damage, it's advised to wash wool in cold water with suitable detergents or opt for dry cleaning.

Explain why detergents can damage wool fibers.

What happens to a wool sweater when it is washed in a washing machine?

Describe the structure of wool and how it affects its behavior in water.

How do the cuticles on wool fibers contribute to shrinkage when washed?

What is the recommended method for washing a wool sweater if necessary?