Evaluation of Lather Shaving Cream

EVALUATION OF LATHER SHAVING CREAM Please add theory of lather shaving cream from poucher textbook of cosmetics

Evaluation Parameters: SKIN FEEL TEST • • • • •

Spreadibility: how easily does it spread by rubbing in a circular movement defines spreadibility Tackiness: How intact it remains while rubbing Greasiness: it defines extent of smoothness of the cream Film forming: a coat of film formed is a very essential part of such cream Softening: it defines extent of non irritancy

ORGANOLEPTIC CHARACTERISTICS • Appearance: • Odour • Colour • Texture SCREENING TEST • VISUAL EXAMINATION Low power microscope: See uniformity of particle size. (Please draw table and write readings) (use sudan 3 reagent) Physical examination: No contamination found • SPOT TEST Detect cations by NESSLERS REAGENT Detect anions by MERCURY(II) THIOCYANATE

• MELTING POINT See the range of melting point • PH MEASUREMENT Use ph meter for measuring ph • OTHER TEST • FREEZE THAW TECHINQUE:for testing stability of cream. Centrifuge at -60degree and then place at 60 degree and see its stability • VISCOSITY: • WASHABILITY:Easily washable • FOAMING INDEX: • COVERING POWDER: RESULT TABLE