I bought conceive plus a couple of months ago and had the same feeling on it so I used my own interpretation paired with some research. So I used an old child's paracetamol or ibruofen syringe and took out the plunger squeezed in about 3ml and inserted it that way, however those syringes don't really have a good reach so to speak, but it got some up there! I personally didn't like it and felt it went sticky and when mixed with sperm made strange jelly like droplets(if you understand) so this month I bought preseed which has applicators which are much longer and easier to use, also the lubricant is far more like my natural ewcm, no jelly bits no stickiness. I hope you have more luck than me with it.