What can I do to solve this problem and no longer experience pain at the entrance of my vagina during sexual intercourse?

There are several potential solutions to address discomfort at the entrance of the vagina during sexual intercourse. These can include using a lubricant, trying different positions, communicating openly with your partner, and consulting with a healthcare professional for personalized advice. It is important to consider factors such as the intensity and duration of intercourse, the use of condoms and any additives they may contain, as well as the potential benefits of using a separate lubricant. Seeking guidance from a pharmacist or healthcare provider can help find a solution that works best for you.