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| | T.R.U.E. TEST® colophony |
 | | High-quality gloss paper may be coated with colophony, as may various adhesive tapes, such as Scotch® tape. |
 | | T.R.U.E. TEST indicates that you have a contact allergy to colophony, often called “rosin,” obtained from the sap of four species of pine trees. |
 | | Colophony may be found in many products that commonly come in contact with skin, including cosmetics and veterinary medications. |
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