52K views · 1.1K reactions | Understanding Aldehydes: Formaldehyde...

262K views · 662 reactions | Pressed wood such as plywood typically uses formaldehyde as an adhesive. Long term low level exposure to formaldehyde (off gassing) may cause cancer. | Dr. Farrah Agustin-Bunch, MD | Facebook

Keratin – Instant smoothness, frizz reduction, but contains formaldehyde or derivatives — a known irritant and potential carcinogen. Over time, it can dry out hair, causing brittleness. Cysteine – A safer alternative to keratin with fewer harsh chemicals. Leaves hair smoother and manageable. Still involves mild bond-breaking, meaning some structural compromise. Nanoplastia – Uses amino acids and natural oils, not formaldehyde. Leaves hair shiny, smooth, and frizz-free. Often marketed as “organic