Waxing newbie – there are always hairs that are too short?

So I started waxing 2 months ago. When I went the first time, I had grown my hair like 3-4 weeks after shaving. I didn’t expect the perfect wax the first time and my waxing lady told me to wait around 5 weeks for the second appointment so I did and when the time came, there were some hairs that were too short for waxing. Now it’s been 4 weeks after the second time and I want to make an appointment because most of the hairs are long enough but there are a lot of them that are barely visible. So basically I always have hairs even though I wax regularly. Will it ever get better? Will sugar wax help?

Waxing newbie – there are always hairs that are too short?