Rexall Castor Oil U.S.P. is a stimulant laxative designed to provide gentle and effective relief from occasional constipation. This trusted formula works by stimulating bowel movements, helping you find relief in a natural way. With its U.S.P. grade quality, Rexall Castor Oil is a reliable solution when you need fast-acting results. Sealed with a printed neckband for added safety, this 4 fl oz bottle is ideal for home use. Recommended for adults and children 12 years and older, it’s an easy-to-use option for promoting regularity.