1. Decker , G.E. Hunter , S. Turner , C. Watts-McMillan , K. inventors; Moisturizing lipstick compositions United States of America patent 5593662 1997
2. Effect of emulsifier type and concentration, aqueous phase volume and wax ratio on physical, material and mechanical properties of water in oil lipsticks;Beri;Int. J. Cosmet. Sci.,2013
3. Lombardi , M.H. Vaccaro , J. inventors; Lipstick Article United States of America patent US 5197814 A 1993
4. Dunphy , P.J. Meyers , A.J. Rigg , R.T. inventors; Elizabeth Arden assignee Cosmetic Water-in-oil emulsion lipstick comprising a phospholipid and glycerol fatty acid esters emulsifying systems 1992
5. Fat crystals and emulsion stability - a review;Rousseau;Food Res. Int.,2000