NLS (PKKKRKV) is a peptide derived from the 40 tumor antigen of the great ape virus (SV40 big T antigen), which is a method to enhance the nuclear portal in the research field of gene transfer.

3'-Hydroxy-4'-methoxyacetophenone is an active P. spinosa extract. It possesses anti-inflammatory activity and prevented injuries due to administration of acetic acid in the colon.

Sulfacetamide is used to treat blepharitis or conjunctivitis (in eye-drop solution) by limiting the presence of folic acid which bacteria need to survive.