PRODUCT INGREDIENTS • Surfactants are the main component of shampoo Mainly anionic surfactants are used • The raw materials used in the manufacture
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FORMULATION &
EVALUATION OF SHAMPOO
V.MANIMARAN
LECTURER
DEPARTMENT OF PHARMACEUTICS
SRM COLLEGE OF PHARMACY
UNIT V
CONTENTS
1.Introduction
2.TypesofShampoos
3.ProductIngredients
4.Formulation
5.EvaluationofShampoos
6.References
Introduction
•Definition:A shampoo is a preparation of a surfactant (i.e.surface active material) in a suitable form - liquid, solid orpowder - which when used under the specified conditionswill remove surface grease, dirt, and skin debris from the hairshaft and scalp without adversely affecting the user.
•Requirements of a Shampoo:1.It should effectively and completely remove dust or soil,excessive sebum or other fatty substances and loose cornealcells from the hair.
2.It should produce a good amount of foam to satisfy thepsychological requirements of the user.
3.It should be easily removed on rinsing with water.
4.It should leave the hair nonͲdry, soft, lustrous with goodmanageability and minimum fly away.
5.It should impart a pleasant fragnance to the hair.
6.It should not cause any sideͲeffects / irritation to skin or eye.
7.It should not make the hand rough and chapped.
Types of
Shampoo
Shampoos are of the following types:
Powder Shampoo
Liquid Shampoo
Lotion Shampoo
Cream Shampoo
Jelly Shampoo
Aerosol Shampoo
Specialized Shampoo
•Conditioning Shampoo •AntiͲdandruff Shampoo •Baby Shampoo •Two Layer ShampooPRODUCT INGREDIENTS
•Surfactants are the main component of shampoo. Mainly anionic surfactants are used. •The raw materials used in the manufacture of shampoos are:1.Principal surfactants: Provide detergency and foam.
2.Secondary surfactants: Improve detergency, foam and hair
condition.3.Other additives.
CLEANSING ACTION OF SHAMPOO
AsurfactantconsistsoftwopartͲonehydrophilic(waterloving) while theotherishydrophobicinnature.Surfactants
Anionic surfactantsare mostly used (good foaming
properties). The hydrophilic portion carries a negative charge which results in superior foaming, cleaning and end result attributes. NonͲionicsurfactantshavegoodcleansingproperties butdonothavesufficientfoamingpower.Cationicsurfactantsaretoxicandarehencenotused.
However,theymaybeusedinlowconcentrationin
hairconditioners.Ampholytics,beingexpensive,aregenerallynotused.
However,theyaremainlyusedassecondary
surfactantsandgoodhairconditioners.ANIONICSURFACTANTS
CLASSEXAMPLECOMMENT
Alkylbenzene
sulfonatesSodiumdodecyl benzene sulfonateTendtoyieldan"airy"orlowdensityfoam and oftenaredryingtothehairPrimaryalkylsulfatesLauric acid, stearic acid and
their saltsGoodlatheringeffectinhard water,freefrom rancidity,easytowash.Secondaryalcohol
sulfatesSodiumsecͲlauryl sulfateLow cost,dispersingandemulsifyingaction, dissapointingasdetergets andshampoo componentsAlkylbenzene
polyoxyethylene sulfonatesTritonX200Stableinacid oralkalinesolution,excellent
emulsifier,detergentandwettingagent; extremelystableatpHofskinSulfated
monoglyceridesLauric monoglyceride ammoniumsulfateStableinhardwaterAlkylethersulfatesDerivativesoflauryl alcohol
etherwithPEGGoodcleansers, actassolventsfornonpolar additivesSarcosinesLauroyl andcocoyl
sarcosinesExcellentfoaming andconditioningaction SulfosuccinatesAerosolOTLessirritatingtoskinandeye(babyshampoo)MayponProtalbinic andlysalbinic
acidderivatives(maypon 4C)Hydrolysation productofproteinswithfatty acidchloridesinpresenceofalkaliNONͲIONICSURFACTANTS
CLASSEXAMPLECOMMENTS
Fattyacid
alkanolamides (should notbeused>15%)Lauric monoethanolamideImproves solubilityofSLSStearic ethanolamidePearlescentthickener
OleicethanolamidesHairconditioning agents
Polyalkoxylated
derivativesEthoxylated fattyalcoholsStableinwiderangeofpH;stabilizing emulsifying andopacifying properties Blockpolymers(pluronics)Good rinsability,canbeusedinhigh% Sorbitol esters(TWEENS)Solubilizersandemulsifiers,usedinbaby shampoosAmineoxidesCoconutanddodecyl
dimethyl amineoxidesFoamboosterandantiͲstaticagentsAMPHOTERICSURFACTANTS
NͲalkylaminoacidsɴ- aminoacid derivativesFoamingagents Aspargine derivativesCompatiblewithbothanionic and cationicsurfactantsBetainsAmido betainsHighfoamingproperties,mild.
Alkyl imidazolineMIRANOL TMBabyshampoos
ADDITIVES
Conditioningagents:Lanolin,mineraloil,herbalextracts,eggderivatives. Foam builders:Lauroyl monoethanolamide, sarcosinatesViscositymodifiers:
Electrolytes-NH
4Cl,NaCl
Naturalgums-GumKaraya,tragacanth,alginates
Cellulosederivatives-Hydroxyethylcellulose,methylcelluloseCarboxy vinylpolymers- Carbopol 934
Others-PVP,phosphateesters.
Sequesteringagents:EDTA
Opacifying agents:Alkanolamides ofhigherfattyacids,propyleneglycol,Mg,CaandZnsaltsofstearic acid,spermaceti,etc.