EWG Skin Deep Hazard Score:
What is it:
Sodium hydroxymethylglycinate is a cosmetic preservative used shampoos, baby wipes, cleaning agents, cleansing bars, lotions and many other household products.
What are its risks:
- Sodium hydroxymethylglycinate works as a preservative by slowly releasing formaldehyde. This can be a problem for a number of reasons. First, being that formaldehyde is a known carcinogen. Second, it's a skin irritant and sensitizer. (Source)