Currently available by prescription only, it really is a different kind of moisturizer. Many women and couples have found that the problem with lubricants is that they tend to leak or dry out, requiring continued reapplication.
Vaginal dryness is a very common complaint of women, especially as they approach menopause.
Unfortunately, applying lubricant several times a day is usually not an option. Indeed, in a recent study, women reported it to be as effective as hormonal creams without the associated side-effects. Of course, this is not to bad-mouth lubricants. Many couples find them totally delightful and have no problem reapplying. Think of Replens as just one more option in your sexual arsenal.