Tips for my first online sale

I sell beauty products for women (irons, dryers, sideburns) my sales are in person, but I want to expand in the digital market, I want to read based on your knowledge and experiences how I will get my first sale, what platform to publish on, I clarify that I do not have website, a store or anything but I need guidance, I appreciate your opinions, it will be very helpful to me, thank you