May 11, 2012 at 11:06 pm. How long a multi-dose vial eye drop can be used, apart from the temparature of preservation, has to do with the nature of the used preservative. Some preservatives may not keep for more than two weeks e.g. Benzakonium chloride while some can preserve up to one month especially the phenolics.
Definition of 'nail bar'. nail bar. noun. a type of beauty salon specializing in manicure and the decoration of, esp women's, fingernails. Example sentences containing 'nail bar'. But the action doesn't take place at the hair salons and nail bars.
: something (such as a situation or a set of conditions) in which something else develops or forms. : something shaped like a pattern of lines and spaces. : a container that can be filled with a material (such as very hot metal) to give the material a new shape.. b: the thickened epithelium at the base of a fingernail or toenail from which new nail substance developsâcalled also nail bed, nail matrix. 2. : something (as a surrounding or pervading substance or element) within which something else originates or takes form or develops. 3. 4.