<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-01-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001773751</issuerCik>
        <issuerName>Hims &amp; Hers Health, Inc.</issuerName>
        <issuerTradingSymbol>HIMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001839088</rptOwnerCik>
            <rptOwnerName>Lee Spencer</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2269 CHESTNUT STREET, #523</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94123</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.74</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-01-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1643414</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-05-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1643414</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1643414</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>9.40</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-01-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>265899</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-12-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>265899</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>265899</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-01-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>132723</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>132723</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>132723</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-01-20</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12983</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>12983</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12983</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Stock Option was received in exchange for an option to purchase 3,628,005 shares of Class A Common Stock of Hims, Inc., with an exercise price of $0.79, in connection with the merger described in that certain Agreement and Plan of Merger, dated as of September 30, 2020 (the &quot;Merger&quot;), by and among Oaktree Acquisition Corp., now known as Hims &amp; Hers Health, Inc. (&quot;New Hims&quot;), RX Merger Sub Inc., and Hims, Inc.  1/4 of the shares subject to the Stock Option vest on the 12 month anniversary of the vesting commencement date and the balance of the shares vest in a series of 36 successive equal monthly installments measured from the 12 month anniversary of the vesting commencement date, beginning March 4, 2019. The Stock Option is also subject to acceleration in the event the Reporting Person is subject to a qualifying involuntary termination of employment and/or Change of Control (as such term is defined in the applicable Stock Option Agreement).</footnote>
        <footnote id="F2">The Stock Option was received in exchange for an option to purchase 587,000 shares of Class A Common Stock of Hims, Inc., with an exercise price of $4.26, in connection with the Merger. 1/48 of the shares subject to the Stock Option vest when the Reporting Person completes each month of continuous service beginning December 16, 2020. The Stock Option is also subject to acceleration in the event the Reporting Person is subject to a qualifying involuntary termination of employment and/or Change of Control (as such term is defined in the applicable Stock Option Agreement).</footnote>
        <footnote id="F3">In connection with the Merger, the Reporting Person received New Hims restricted stock units (&quot;New Hims RSUs&quot;) in exchange for restricted stock units of Hims, Inc. (&quot;Legacy Hims RSUs&quot;).</footnote>
        <footnote id="F4">The New Hims RSUs were received in exchange for 293,000 Legacy Hims RSUs. The New Hims RSUs vest over 4 years of continuous service beginning in March 2021, with 6.25% of the New Hims RSUs vesting on each of March 15, June 15, September 15 and December 15 (each, a &quot;Company Quarterly Vesting Date&quot;), with the first such vesting date to be the next occurring Company Quarterly Vesting Date that occurs on or after the vesting commencement date set forth above, subject to the individual's continuous service with New Hims. The New Hims RSU is also subject to acceleration in the event the Reporting Person is subject to a qualifying involuntary termination of employment and/or Change of Control (as such term is defined in the applicable RSU Agreement). The New Hims RSU expires in December 2027.</footnote>
        <footnote id="F5">In connection with the Merger, the Reporting Person received additional New Hims RSUs representing a portion of the aggregate 16,000,000 shares of New Hims Class A Common Stock comprising the Earn Out shares (the &quot;Earn Out RSUs&quot;).</footnote>
        <footnote id="F6">The Earn Out RSUs were received in exchange for Legacy Hims RSUs. Subject to the satisfaction of a time-based vesting and share-price based performance based vesting conditions, each Earn Out RSU represents the right to receive one share of Class A Common Stock of New Hims. The recipient will be subject to substantially the same time-based vesting condition as specified in Footnote 4 above. Additionally, the Earn Out RSUs will vest in equal thirds if the trading price of New Hims Class A Common Stock is greater than or equal to $15, $17.50 and $20 for any 10 trading days within any 20-trading day period (the &quot;Earn Out Conditions&quot;). If the Earn Out Conditions are not met during the five years following the closing of the Merger, then the applicable Earn Out RSUs will be automatically forfeited.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Soleil Boughton, Attorney-in-Fact</signatureName>
        <signatureDate>2021-01-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
