Vaginal irritation

Wasn’t really sure were to ask about this so I figured this would work. So I absolutely hate shaving and decided to try using nair on my lady bits. Everything worked great but it stings a little and is a little red. When I use it on my legs it does the same but with my legs I just lather on some lotion. But what do I do about my lady bits?? My boyfriend doesn’t know I did it and I wanted to suprise him with some great sex tonight but I can’t if it burns like this.