The Hair Loss Encyclopedia
colorless gas used in industrial applications and hair treatments
Formaldehyde, also known as methanal, is a colorless, strong-smelling gas commonly used in various industrial applications, including the production of resins, textiles, and disinfectants. It is also a known carcinogen and can cause respiratory issues and skin irritation upon exposure. In the context of hair treatments, formaldehyde is sometimes used in keratin treatments to straighten hair, but its use is controversial due to potential health risks.