Formaldehyde in Hair Smoothing Products: What You Should Know
![Formaldehyde in Hair Smoothing Products: What You Should Know](https://www.fda.gov/files/styles/main_image_medium/public/Formaldehyde-Hair-Straitening-Products-Warning-02-CU-1600x900.png?itok=HE_TTKpQ)
Hair smoothing products, also referred to as hair straightening products, may release formaldehyde gas, a known human carcinogen, when heated. Only licensed and trained salon professionals should use these products on your hair. Here are some steps to take if you are considering using them.
![](https://www.keratinsalondirect.com/cdn/shop/products/7424997327029-1685547373250_2048x.jpg?v=1697215773)
Keratin Treatment at home - SMOOTH - softer, straighter, frizz free hair – Keratin Salon Direct
![](https://cdn.storymd.com/optimized/RA8g0VT9q9/thumbnail.webp)
Formaldehyde and Cancer Risk - StoryMD
![](https://media.allure.com/photos/5a2989af454a061d22384dbb/16:9/w_1280,c_limit/GettyImages-624547540.jpg)
Hair-Smoothing Keratin Treatments: What You Need to Know
![](https://www.twincities.com/wp-content/uploads/2015/11/20110420__110421HairStraighteners.gif?w=367)
Smoothing your hair? Careful: Some 'Brazilian blowout' products can pose health risk – Twin Cities
![](https://media.npr.org/assets/img/2023/10/19/ap23291756626573-24c7f6f43653070885e28dd9afdc5e96ca895c39.jpg)
The FDA Is Proposing A Ban On Hair Relaxers With Formaldehyde Due To Cancer Concerns
![](https://www.hairbybrian.us/uploads/3/4/8/5/34852694/published/1-deep-conditioning-hair-before-and-after-image.jpeg?1651944722)
The Beauty Blog by Brian - Hair by Brian
![](https://static.independent.co.uk/2021/05/28/16/indybest-owow-at-home-hair-treatment-kit-keratin-hair-before-after-transformed.jpg)
Owow at-home keratin hair treatment kit review 2021
![](https://s40123.pcdn.co/wp-content/uploads/2021/03/hair-straightening-products.jpg.optimal.jpg)
Most' Hair Straightening, Smoothing Products Release Cancer-Causing Formaldehyde, FDA Warns - Top Class Actions
![](https://pyxis.nymag.com/v1/imgs/8c1/b1c/88d67ebd59f76a89c8d95b5da38bd0e108-15-straight-hair.rsocial.w1200.jpg)
Everything You Need to Know About Keratin Treatments
![](https://cdn11.bigcommerce.com/s-qaf2yg6x1o/images/stencil/1280x1280/products/837/7512/e63d5c17-c445-5766-a71b-2680889f766f__54778.1655837432.jpg?c=1)
Three Therapy Progressive Nanoplástia Hair Straightening Formaldehyde-free Hair Care 500ml/17.5fl.oz - Brazil-Keratin
![](https://cdn.shopify.com/s/files/1/0269/4696/1481/files/arey-jojoba.jpg?v=1687015534)
What Are the Best Haircare Ingredients for Your Hair Type? – Arey