Leader Unflavored Powder Clearlax, 8.3 oz - Improve bowel regularity with Leader Clearlax Powder. This tasteless, easy-mixing powder provides gentle relief from occasional constipation. In Each Dose: Other Information: Store at 20 - 25 degrees C (68 - 77 degrees F). Tamper-Evident: Do not use if printed foil seal under cap is missing, open or broken.