This link will answer the question once and for all. (4.bp.blogspot.com)
[This link will answer the question once and for all.](https://4.bp.blogspot.com/-qVq_AKAAM6g/XMdXtR82uAI/AAAAAAAATNk/_3dahQMlFs4yp-zFtAOWzIFks3sodGgwgCLcBGAs/s1600/soap.png)
This link will answer the question once and for all. (4.bp.blogspot.com)
(post is archived)