FDA in January 2006 began an open discussion on the use of CFCs in epinephrine inhaler, and finalized in these inhalants are phasing out the use of CFCs date and inform the public in November 2008. Many manufacturers use an environmentally friendly propellant hydrofluoric acid(HFA) instead of inhalants in CFCs. There is currently no HFA-containing epinephrine inhaler.

Recently, Dean Xian People's Hospital researchers published papers, aimed at exploring sodium hyaluronate combined with amniotic membrane transplantation in the treatment of severe eye burns hydrofluoric acid effect.Research indicates that sodium hyaluronate combined with amniotic membrane transplantation in the treatment of severe eye burns a significant effect of hydrofluoric acid, and is safe and convenient, suitable for primary hospitals. This article was published in 2015 on the first 01, "Practical Clinical Medicine" magazine. 19 patients (25 eyes) with moderate to severe eye burns were treated with hydrofluoric acid, sodium hyaluronate combined biological amniotic membrane transplantation, clinical efficacy.