Anonymous wrote:I've had cold sores for 40 years. Usually one every other year. Last time I got one I remember using this lip gloss about 2 months ago. I used it again this week and the next day got a cold sore.
If I have the virus dormant all the time can reusing lip gloss used during an outbreak cause another outbreak?
At best herpes virus' can last outside a host for 10 days in optimal conditions. Usually it is just 1-2 days max on most fomites, though a non-medicated moist lip balm could be up to a few days. 2 months, no.
It could be that balm triggers an immune response. Many cosmetics contain allergens and toxins that could do that.