1,2-Octanediol

1,2-Octanediol, also known as caprylyl glycol, is a diol with the molecular formula CH$3$(CH$2$)$5$CHOHCH$2$OH.

It is a common component of many creams and ointments, where it is used as a skin conditioning agent. It is also noted to have some antimicrobial (preserving) ability.