May be construed as even-handed consideration of the product's effectiveness and simultaneously imply that non-results are the fault of the user.
"StriVectin-SD is much less expensive than surgery, but it’s not cheap... for maximum efficacy, StriVectin-SD must be applied three times a day, every day, for 4-6 weeks…StriVectin-SD works, but you have to use it. So unless you’re committed to getting rid of your stretch marks, don’t waste your time or money."
Source: Reduce the Appearance of Existing Stretch Marks [Section: What's The Catch] @ http://www.strivectin.com/sd/stretch-mark-removal.php accessed 27/4/06