Can Someone Please Let Me Know What This Is??

Got this like two or 3 days ago. it doesn't feel itchy nor does it hurt. Don't realize i have it til i see so it doesn't real bother me anyway until i remember its there. has anyone gon through this or does any one know what it is please let me know

![image](upload://54n7aRpqfFX2UyGuTpaQIkkcXc8.jpeg)

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