Urea additional possesses skin exfoliating properties, that are useful within the control of passage of energetic agents by way of the dermal barrier.
beauty and the beast
The invention relates to an alcohol-free beauty or pharmaceutical foam composition comprising water, a hydrophobic solvent, a floor-lively agent, a gelling agent, an lively component selected from the group of urea, hydroxy acid and a therapeutic enhancer and a propellant. The hydrophobic solvent present in the foam composition helps retain the insecticide on the treated area for an extended time frame. The foam composition or provider consists of water, hydrophobic solvents, surfactant, gelling agent and propellant, thereby creating a stable emulsion having an acceptable shelf-life of no less than one year, or not less than two years at ambient temperature.
Shrestha et al., Forming properties of monoglycerol fatty acid esters in nonpolar oil methods, Langmuir, 2006, 22: 8337-8345. 16. The foamable composition of …