Proctor\'s Pinelyptus Pastilles increase clarity in your voice and are especially valuable for singers, public speakers, and actors. Proctor\'s Pinelyptus Pastilles can be used for improving clarity and longevity in your voice. It is especially valuable for singers, public speakers, and actors and has been the secret of a long lasting clear voice for nearly 100 years. How it works These pastilles contain soothing ingredients like eucalyptus oil and menthol which are used to treat voice loss by clearing the throat and opening the airways.