Developed for over 10 years, clera uses a revolutionary patented stannous fluoride formula which makes it the only cold sore treatment that can both prevent a cold sore outbreak when applied at first tingle, or speed heal one in as little as 2 days.
Developed for over 10 years, clera uses a revolutionary patented stannous fluoride formula which makes it the only cold sore treatment that can both prevent a cold sore outbreak when applied at first tingle, or speed heal one in as little as 2 days.
