level: TDDS Layers
Questions and Answers List
level questions: TDDS Layers
| Question | Answer |
|---|---|
| protect the system from environmental entry and from loss of drug from the system or moisture from the skin; | occlusive backing membrane |
| store and release the drug at the skin-site; | Drug reservoir or matrix system |
| removed before application and enables drug release; | release liner |
| maintain contact with the skin after application. | adhesive layer |