Hydroxypropyl Methylcellulose-Based Nasal Sprays Effectively Inhibit In Vitro SARS-CoV-2 Infection and Spread

Methyl-cellulose powder for prevention and management of nasal symptoms

In vitro and in vivo Evaluation of the Efficacy and Safety of Powder Hydroxypropylmethylcellulose as Nasal Mucosal Barrier

Preventing Airborne Infection With an Intranasal Cellulose Powder Formulation (Nasaleze Travel®)