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Below, we’ve asked the experts to explain this double-duty invention.

person washing their hair in the shower photographed from behind

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What exactly is a 2-in-1 shampoo and conditioner?

How do 2-in-1 shampoos and conditioners work?

“Cationic polymers work similarly except they are not in the shampoo micelles.

The benefits of 2-in-1 shampoo and conditioners.

The second benefit of a 2-in-1 would be the sustainability aspect.

Finally, saving money is another bonus of purchasing a 2-in-1 shampoo and conditioner.

On that note, what might be the downsides of a 2-in-1?

Product buildup can be an issue when it comes to many 2-in-1 shampoos and conditioners.

Finding the best 2-in-1 for your hair pop in might take some time.

For those with curly or coily hair, 2-in-1s might not be the best formula for you.

“I definitely wouldn’t recommend using it more than twice a week.”

Check out Taraji P. Henson’s quick and easy beauty routine: