5mL Oil Soluble Lanosterol 25mg (5.0mg/mL) Non-Complexed As lanosterol is hydrophobic, it will not readily dissolve in water without the use of a complexing agent. This lanosterol has been fully dissolved in pure castor oil without the need for any other ingredients. Ingredients: Pure Castor Oil , Lanosterol. Other sizes and concentrations are available! Shipping Info: Free shipping and handling via USPS Priority Mail (Insurance included) Complies completely with USPS shipping regulations Both castor oil and lanosterol are considered nonhazardous accorording to Publication 52, Hazardous, Restricted, and Perishable Mail. Shipping Information All orders are shipped within 24 hours M-F. If you order later in the day on Friday or on Saturday or Sunday, your order will ship early Monday morning. Return Information If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one. You can return a product for up to 14 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. On Mar-12-18 at 15:11:33 PDT, seller added the following information: