Kinda weird question

Even since I lost my virginity my vagina been kinda sensitive wasn't like this when was a virgin like it get kinda irritated after I wash it with a wash cloth & some summer <a href="">eve</a> & I know it is not the brand im using because I alway get this brand I never used new brand on my body im just curious does this happens to anyone else or maybe because I lost my virginity I'm more aware of my body idk it just feel soo weird like you wasn't acting like this before and no std or nothing like that I was tested everything came back negative.