If the pubic hair is thick and long use small scissors to trim down the hair to approximately quarter of an inch. This will avoid blunting and clogging the razor straight away. Don't abandon advertising that's working - but keep trying improve it. And regularly test new things to see https://www.rakennerahastot.fi/web/latestnews24h.blog/home/-/blogs/10-trung-tam-day-hoc-toeic-o-%C4%91a-nang-tot-nhat-hien-nay