Julie Morin on Instagram: "Best best best cold sore tips 🥔 👇 (from my Medical Medium days!!) Potatoes are high in Lysine and placing a freshly cut slice of raw potato has been THE most effective way to cut the cold sore from forming right in its tracks 👏 (I still remember when I gave birth and I had a cold sore - from nights of not sleeping because baby took his sweet time 😅) and the midwife walks in the room and asks if I took antibiotics for it or have a aciclovir cream (which never worked