Thermaderm Skin renewal system

For those of you that use this - how long does this system last you? I had the trial version and obviously it didn't last too long b/c the bottles were so tiny. Would you say the entire system lasted about a month? I am wondering if it's worth it to purchase the larger set. I do love the stuff though. It made my skin so radiant and smooth I may have to just get it again.

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Message edited 9/1/2009 12:22:55 AM.