title: Formulation and interest of a decorative emulsifier-free O/W emulsion with a positive zeta potential.
abstract: The aim of this study was to formulate an emulsifier-free foundation with a positive zeta potential. This formulation was achieved through a comparative study carried out on 16 cationic hydrogels. Measurements of the cationic activity of those gels were undertaken. Sixteen emulsions, including 0.4% of cationic gel, were formulated and the zeta potential of each was quantified. No correlation between those two measurements could be established. Pigments introduced in the emulsion to obtain a foundation slightly reduced the zeta potential value of the formula. The skin coloration induced by the application of the formula with a positive electric charge was found more stable than that of classical and transfer-proof formulae. Moreover, this formula displayed a higher hydrating potential compared to transfer-proof formulae.
authors.affiliation: Lancaster Group - Coty, 6, Avenue du Prince Héréditaire Albert, BP 669, 98014 Monaco Cédex.
authors.forename: H
authors.initials: H
authors.lastname: de Clermont-Gallerande
authors.forename: O
authors.initials: O
authors.lastname: Doucet
authors.forename: E
authors.initials: E
authors.lastname: Marsande
authors.forename: D
authors.initials: D
authors.lastname: Fouchard
authors.forename: A M
authors.initials: AM
authors.lastname: Orcet
authors.forename: L
authors.initials: L
authors.lastname: Zastrow