You may run into some difficulties if you try washing a tangled extension.

Synthetic hair extensions tend to be heat sensitive, so it’s best to use cold water for them. [3] X Research source

If you’re washing a synthetic hair extension, use shampoo designed specifically for synthetic hair. You can find this online. [5] X Research source

You may not be able to wash all of the suds out at once. Just continue rinsing until the water dripping off your wefts is clear.

When conditioning a weft overnight, tie the base with a hair tie, then twist the extension and secure it in a shower cap. Conditioner helps ensure that your hair is really silky and soft.

If you’re working with synthetic wefts, you don’t have to worry about this step.

Check on your wefts periodically to see if they’re dry to the touch. You’ll probably need to let them dry overnight, or even longer.

There isn’t a hard and fast cleaning schedule that applies to everyone. If you don’t wear your extensions that often, you don’t need to clean them as frequently.

If you don’t have the original box on hand, use a sturdy bag or other container to store your extensions.

Comb your clip-in extensions in the same way you’d care for your real hair. If you wouldn’t yank a brush through your own hair, you shouldn’t do it to your extensions, either.

If you aren’t sure which products to use, ask a stylist or beauty store associate for their recommendations.