✔ Via pictures on your website (of other females – women can instantly relate);
✔ An email list (and RSS feed, ideally) where you can be even more personal with them.
✔ Give them a way to give feedback, submit ideas, or ask questions (such as a Blog, or Forum);
✔ Pictures of you, and messages from you on your site (let them learn more about YOU on your site);
✔ Let women see testimonies, reviews, or pictures of others who have bought, use, or enjoy your service or product