Lovely Eyelash Primer Primers Lovely - development of own laboratory of the Lovely brand. Contains natural extracts and care components. Tested together with technologists and lash makers. The slightly alkaline pH level of the preparations helps to prepare natural eyelashes for the extension process and promotes better glue polymerization. Each box contains instructions with a pH scale and two strips of litmus paper to determine the acid-base balance of any other product. pH: 8.5