What does your content look like? Do you have information out there about Acne that other sites don't have? Do you have a reason for someone to go to your site as opposed to another site?
Here's a great YouMoz we posted (and promoted to the main blog) last week that talks about attracting links rather than building links. Instead of looking for places you can drop a link to your site, have you tried building the content on your site so people will want to link to you?