Hand Sanitizers | COVID-19 | FDA- hand sanitizer gel formulation ,Making Hand Sanitizers Available to Americans. FDA plays a critical role in protecting the United States from emerging infectious diseases, such as the Coronavirus Disease 2019 (COVID-19) pandemic.FORMULATION AND EFFECTIVENESS OF A HAND SANITIZER GEL ...For example, the formulation of sanitizer gel was recently carried out with addition of salam bark extract (Silvia et al., 2018). Waterless sanitizer seems preferable and very useful nowadays. ...