The US bans these shampoos because of warnings that they cause cancer

Popular brand Unilever made a voluntary recall of 19 popular aerosol dry shampoo products sold in the United States due to concerns about benzene, a known cancer-causing chemical.

Exposure to benzene, which is classified as a human carcinogen, can occur through inhalation, ingestion or through skin contact and can result in cancers including leukemia and blood cancers, according to the US Department of Health and Human Services.

People are exposed to benzene every day through things like tobacco smoke and detergents, but exposure can be considered dangerous depending on the dose and duration of contact, according to the Centers for Disease Control and Prevention.

Unilever said it is recalling the products and that the company has not yet received any reports of adverse events to date.

The recalled products were manufactured before October 2021 and retailers have been notified to pull the affected products from their shelves. Unilever urged consumers to stop using these products immediately and visit the company's website for product refunds.

The list of affected products includes:

Dove

Dove Dry Shampoo Volume and Dullness

Dove Dry Shampoo Fresh Coconut

Dove Dry Shampoo Fresh and Floral

Dove Dry Shampoo Ultra Clean

Dove Invisible Dry Shampoo

Dove Dry Shampoo Detox and Purify

Dove Dry Shampoo Clarifying Charcoal

Dove Dry Shampoo Go Active

Nexxus

Nexxus Dry Shampoo Refreshing Mist

Nexxus Inergy Foam Shampoo

Suave

Suave Dry Shampoo Hair Refresher

Suave Professionals Dry Shampoo Refresh and Revive

TRESemmé

TRESemmé Volumizing Dry Shampoo

TRESemmé Dry Shampoo Fresh and Clean

TRESemmé Pro Pure Dry Shampoo

Bed Head

Bed Head Oh Bee Hive Dry Shampoo

Bed Head Oh Bee Hive Volumizing Dry Shampoo

Bed Head Dirty Secret Dry Shampoo

Rockaholic

Bed Head Rockaholic Dirty Secret Dry Shampoo