Razor blades aren't cheap anymore, especially if you like the shave you get with the latest razor technology--I'm referring to the new 5-blade razors.  You ladies also know how expensive your razors can be when compared to those designed for men.  Well, there is a convenient and inexpensive way to dramatically extend the useful life of your razor blades three, perhaps even four times longer than normal.  Imagine, being able to reduce the cost of your razor blades three or four times really can make the newest technology in shaving affordable to you.  Here's how you can do it:   Each time you use your razor blades, wash them in cold water, then apply a coating of good quality (91%) isopropyl alcohol to the blade surfaces using a cotton swab before putting the razor away.  The next time you use your razor it will feel like it's brand new!  This technique works because the isopropyl alcohol prevents a naturally forming cystalline film from building up on the blades' leading edges.  It is this crystalline film which causes the blades to feel dull--they aren't really dull--after about a week or so.  Give it a try!  I'm sure you will agree with me, this is something the blade manufacturers don't won't you to know.