formaldehyde

• The union blames formaldehyde, which is a chemical byproduct of the permanent-press finish applied by clothing manufacturers to prevent mildew and stains. —  Dvorak Uncensored
• Be sure to read the ingredients of your nail strengthener and avoid any that may contain formaldehyde which is very drying and may make your nails even more brittle. —  Find Free Articles - ArticlesBase
• The glue is a polymer called phenol-formaldehyde, and while that sounds scary, reports indicate that it is less toxic than the wood, not listed under Prop 65, etc. —  Bre Pettis Blog
• Some of these chemicals are natural (but still toxic), such as formaldehyde, which is added to curtail chipping.
• Urea-formaldehyde, an older type of spray foam, is no longer installed because of its potentially dangerous vapor emissions.

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