Chemicals are often used to straighten hair, and they have a more permanent effect. However, this practice is often accompanied by undesirable outcomes.

Tips

Prefer straightening with a hair dryer or straightening iron which, although less permanent, is less toxic.


Avoid the following chemicals in regular products

Formaldehyde: carcinogenic, eye and respiratory irritant, respiratory sensitizer

Glycol: irritant to the eyes, respiratory and digestive tracts

Sodium hydroxide: irritant and corrosive to the skin, eyes, respiratory and digestive tracts

Parabens: endocrine disruptors

Polypropylene: skin, eye and respiratory irritant, respiratory sensitizer

Sodium lauryl sulfate: irritant, may cause contact dermatitis

Ammonium thioglycolate: skin and eye irritant, skin sensitizer