Simulated contaminated skin formulation
AssigneeL'oreal
InventorGregory Calvin Peterson
Life of this patent
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Abstract
Disclosed herein are formulations configured to simulate “dirty” skin that has been contaminated with particulate pollution, natural skin secretions, and applied product (e.g., cosmetics). Relatedly, also disclosed are methods for determining the efficacy of a cleansing procedure that include applying the formulation to clean skin, cleaning the formulation from the skin, and determining the amount of formulation remaining on the skin. The relative amounts of formulation at each stage can be determined, for example, using colorimetric or digital image analyses.
Claims16
A formulation configured to simulate contaminated human skin, comprising:
- a synthetic sebum composition, comprising:
- one or more triglycerides;
- one or more fatty acids;
- one or more waxes or wax esters;
- one or more hydrocarbons;
- and
- cholesterol or a cholesterol ester;
- and
- a plurality of particles, wherein the plurality of particles has a mean diameter of 10 microns or less.
A formulation configured to simulate contaminated human skin, comprising:
- a synthetic sebum composition, comprising:
- cholesterol;
- squalane;
- oleic acid;
- glyceryl trioleate;
- and
- cetyl palmitate;
- and
- a plurality of particles, wherein the plurality of particles has a mean diameter of 10 microns or less.
Dependencies are inferred from the claim text.