Our water-based inks are absolutely free of heavy metals, formaldehyde and Alkylphenol Ethoxylates (APE), making them non-hazardous, non-toxic and 100% biodegradable. As part of a waterless printing system, a biodegradable ink and energy saving process makes Graphic Impact system the most eco-friendly printing solution in the market. There are no dangerous substances to come into contact with your skin. An important consideration when selecting products for both yourself and your children.