Labisan vs Abreva for Cold Sores: 5 Actives Plus SPF vs Docosanol Alone
Labisan's 5-active topical (22 percent zinc, 5 percent graviola, manuka, oregano, menthol) plus SPF 20 reduces outbreak frequency from 6 per year to 1 over 12 months. Abreva's single docosanol active reduces outbreak duration only by 1 to 2 days, requires 5 daily applications, an...