How To Get Rid Of Scar On Lip?

hello, i was cut on my lower lip during a practice combat session. while icing it, i think the lip got more than needed exposure to the ice. so, my lip has a small scar hypertrophy type of thing, about which i want to know, will it go by self? second, after icing, i felt pain and like a cut, in my deep lower lip [ near gums ]. after watching it, i can t see a thing, only a small white spot. so what should i do?