Dear Sir or Madam: Who can tell me how to dissolve keratinous layer of animal skin? what kind of enzyme or chemical methods can be used? Thanks a lot! Wen Wang ________________________________________________ »¶ÓÄúʹÓÃ163µç×ÓÓʾÖÃâ·Ñ·þÎñ http://www.163.net 163³¬¼¶¿áÈ«¹ú×î´óµÄÃâ·Ñ¸öÈËÖ÷Ò³»ùµØhttp://cool.163.net