<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-10-01</periodOfReport>
    <issuer>
        <issuerCik>0000003327</issuerCik>
        <issuerName>ALBERTO CULVER CO</issuerName>
        <issuerTradingSymbol>ACV  ACVA</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001027733</rptOwnerCik>
            <rptOwnerName>BERNICK HOWARD B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ALBERTO-CULVER COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>2525 ARMITAGE AVENUE</rptOwnerStreet2>
            <rptOwnerCity>MELROSE PARK</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60160</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Pres.and Chief Exec Officer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>100200</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN6</value><footnoteId id="F6"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>18500</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN10</value><footnoteId id="F10"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>41040</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN11</value><footnoteId id="F11"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>39048</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN1</value><footnoteId id="F1"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>64</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN14</value><footnoteId id="F14"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5704</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN7</value><footnoteId id="F7"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>477291</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>314405</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN13</value><footnoteId id="F13"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>361809</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN4</value><footnoteId id="F4"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class A Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>26536</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN12</value><footnoteId id="F12"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>482562</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN5</value><footnoteId id="F5"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>88682</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>100000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN4</value><footnoteId id="F4"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>11699</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN8</value><footnoteId id="F8"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>8455</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN9</value><footnoteId id="F9"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>104476</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN13</value><footnoteId id="F13"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1026982</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN3</value><footnoteId id="F3"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2863225</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN14</value><footnoteId id="F14"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2645104</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN7</value><footnoteId id="F7"/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Class B Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1262331</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN15 </value><footnoteId id="F15"/></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Employee Stock Option (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>59.315</value></conversionOrExercisePrice><transactionDate><value>2003-10-01</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>134000</value></transactionShares><transactionPricePerShare><footnoteId id="F2"/></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F2"/></exerciseDate><expirationDate><value>2013-09-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class B Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>134000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>134000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Employee Stock Option (Right to buy)</value></securityTitle><conversionOrExercisePrice><value>59.315</value></conversionOrExercisePrice><transactionDate><value>2003-10-01</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>60000</value></transactionShares><transactionPricePerShare><footnoteId id="F2"/></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F2"/></exerciseDate><expirationDate><value>2013-09-30</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Class B Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>60000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>60000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>FN16</value><footnoteId id="F16"/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">FN1  Held by the undersigned's spouse as trustee of a trust dated 3/21/00 for the benefit of their son.***</footnote><footnote id="F2">FN2  The option, which was granted under the Employee Stock Option Plan of 2003, vests in four equal annual installments beginning on September 30, 2004.</footnote><footnote id="F3">FN3  Held by the undersigned's spouse as trustee of a trust dated 10/31/98 for the benefit of her sister.***</footnote><footnote id="F4">FN4  Held by the undersigned's spouse as trustee of a trust dated 4/17/02 for her benefit.***</footnote><footnote id="F5">FN5  Held by the undersigned's spouse, as co-trustee of a trust dated 9/15/93 for her benefit.***</footnote><footnote id="F6">FN6  Held by the undersigned's spouse as co-trustee of a trust dated 10/20/72 for her benefit.***</footnote><footnote id="F7">FN7  Held by the undersigned's spouse as co-trustee of a  trust dated 12/18/87 for the benefit of her father.***</footnote><footnote id="F8">FN8  Held by the undersigned as a participant in the Alberto-Culver Company Employees' Profit Sharing Plan.</footnote><footnote id="F9">FN9  Held by the undersigned's spouse as a participant in the Alberto-Culver Company Employees' Profit Sharing Plan.***</footnote><footnote id="F10">FN10  Held by the undersigned as one of three co-trustees of a trust dated 7/7/97 for the benefit of their children.***</footnote><footnote id="F11">FN11  Held by the undersigned's spouse as trustee of a trust dated 3/7/99 for the benefit of their son.***</footnote><footnote id="F12">FN12  Held by the undersigned's spouse as trustee of a trust dated 3/25/03 for the benefit of their daughter.***</footnote><footnote id="F13">FN13  Held by the undersigned's spouse as trustee of a trust dated 4/23/93 for her benefit.***</footnote><footnote id="F14">FN14  Held by the undersigned's spouse as co-trustee of a trust dated 12/18/87 for the benefit of her mother.***</footnote><footnote id="F15">FN15 Held by the undersigned as co-trustee of a trust dated 9/18/01 for the benefit of the undersigned's spouse.</footnote><footnote id="F16">FN16 Held directly by the undersigned's spouse.***</footnote></footnotes><remarks>***The filing of this report shall not be deemed an admission by the undersigned that he is the beneficial owner of these securities for purposes of Section 16 of the Securities Exchange Act of 1934.
</remarks><ownerSignature><signatureName>/James M. Spira/Attorney-in-fact for Howard B. Bernick</signatureName><signatureDate>2003-10-03</signatureDate></ownerSignature></ownershipDocument>

