How to Shrink a Wool Sweater - Blocking Hot Water Hack

Описание: How to shrink wool (and how to unshrink it)
Wondering how to shrink wool or how to fix a shrunken wool sweater? Whether you’re shrinking or unshrinking wool, follow our simple guide.

Wool’s a great material. It’s cosy, it’s comforting, it’ll keep you warm in the autumn and winter. It’s also prone to shrinking, which is great if you want to know how to shrink wool, but not so great when you’re frantically Googling ‘how to unshrink merino wool sweater’. Here’s our guide to both how to shrink and how to unshrink a wool jumper or any other woollies that are giving you trouble.

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Key Steps

If you want to know how to shrink or how to unshrink wool:

To shrink, agitate the wool in a warm environment, either by hand or in a tumble dryer.

To unshrink, relax the fibres with fabric conditioner so you can stretch the wool out by hand.

When you’re shrinking wool, always stop a bit earlier than you think you need to. You might be able to salvage things if you follow our advice, but it's always best to avoid going too far in the first place!

How to shrink wool sweater by hand
Be careful when you’re shrinking wool. It’s easy to make it a little too small or felt it by accident. You might prefer to do your shrinking by hand, so you can keep an eye on the process.

Use a wool-friendly detergent.
Put a few drops of a wool-friendly detergent into a basin of warm water.

Use a basin.
Put the item you’re hoping to shrink in the basin.

Gently swish the item round.
Every two minutes, gently swish the item around in the water for a few seconds, then check to see how it’s looking.

Use a towel.
When you think it’s shrunk enough, take the item out and press the excess water out of it with a towel.

Leave it flat.
Lay the item on a fresh towel, keeping its shape, and leave it flat to dry. Keep it away from radiators and direct sunlight, or it might shrink more than you wanted!