[1][2][3] Formulations may be designed to remove a broad range of adhesives or to address a specific bond.
They may also contain a gelling agent, increasing viscosity so that the product sticks to the area to be treated rather than running off.
Common solvents used include D-limonene, aliphatic alkanes, and acetone.
Heptane is also used as an adhesive remover by stamp collectors.
Since 1974, the United States Postal Service has issued self-adhesive stamps that some collectors find difficult to separate from envelopes via the traditional method of soaking in water.