Formulated with alum (a natural astringent), the Toner adjusts the skin's pH for optimal penetration of the System's treatment applications. <p>Formulated with alum (a natural astringent), the Toner adjusts the skin&#8217;s pH for optimal penetration of the System&#8217;s treatment applications.</p> 2007-01-11T18:12:01-05:00 toner 74521 Nu-Derm System 2007-01-11T18:12:01-05:00 2007-01-12T12:51:39-05:00 Obagi nu-derm, obagi, system, toner 36.00 2007-01-11T18:12:01-05:00 manual 0 110307 deny 1 Default 1 28.80 74521 OBTON 2009-10-15T15:05:17-04:00 2007-01-11T18:12:01-05:00 100822 1 74521 2007-01-12T12:51:39-05:00 http://cdn.shopify.com/s/files/1/0001/3850/products/obton.jpg?1256158866 Title