ksranch Posted January 8, 2014 Share Posted January 8, 2014 How much should M&P bars 'shrink' and is there anything you can do to stop/reduce it? Quote Link to comment Share on other sites More sharing options...
Candybee Posted January 8, 2014 Share Posted January 8, 2014 M&P loses moisture just like any soap. The water content will continue to evaporate over time. But it won't keep shrinking forever because there is only so much water in the soap. If you make a 4oz bar it may shrink down to 3.68-3.76oz. This is just an estimate of aprox. 6-8% water loss. Depends on how old the base/soap is and how its made/ingredients. Quote Link to comment Share on other sites More sharing options...
TallTayl Posted January 8, 2014 Share Posted January 8, 2014 (edited) How much should M&P bars 'shrink' and is there anything you can do to stop/reduce it? I don't specialize in M&P, but do have a very old bar (15 years or so) received as a gift that i found in a moving box recently. the bar looks the same as the day i received it having been packaged in a mylar zip bag with the foil on the back and clear Side on the other like what people use for bath salts or laundry detergent. i never opened it, so it has been hermetically sealed this whole time. The packaging is not the most attractive, but it was effective against moisture loss.Eta a link to an example: http://www.wholesalesuppliesplus.com/ProductDetail.aspx?CatalogID=9&GroupID=443&CategoryID=793&ProductID=6201&ProductName=Zip+Pouch%3a+16+oz.+Clear+Side+%26+Silver+Side Edited January 8, 2014 by TallTayl Added a link to an example Quote Link to comment Share on other sites More sharing options...
ksranch Posted January 8, 2014 Author Share Posted January 8, 2014 Thank you Talltayl, and Candybee! This gives me an idea on what to expect and why, and thoughts about how to handle it! Very helpful.. Thanks!! Quote Link to comment Share on other sites More sharing options...
PAgirl89 Posted August 7, 2014 Share Posted August 7, 2014 I use saran wrap and clear cellophane sheets to wrap my soap, especially if I use herbs. Quote Link to comment Share on other sites More sharing options...
Noodle Posted December 6, 2014 Share Posted December 6, 2014 I have used plastic wrap and the bars will shrink over time. Not only that, the plastic wrap will adhere to the soap if the bar becomes older. Ask me how I know! Quote Link to comment Share on other sites More sharing options...
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