DMSO Roll On Dimethyl Sulfoxide 3 oz 99% Solvent Roll-On ApplicatorDMSO Roll On 3 oz with 99% dimethyl sulfoxide. Convenient roll on applicator for solvent use and extraction applications. Use proper precautionsmay irritate skin; avoid eyes skin contact and wash after handling. Key Bullet Points: 3 oz roll on applicator with 99% DMSO (dimethyl sulfoxide) Powerful solvent; commonly used for extraction applications Highly polar solvent properties Penetrates skinuse proper handling precautions May cause skin irritation;