<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ff7ae-3f4d-7424-ba27-c4eb85406862,g:0ececbfb-16ed-4dc4-a6af-86c97ffdf731-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://beautyhealth.com/role/Cover" xlink:type="simple" xlink:href="skin-20260810.xsd#Cover"/>
  <link:definitionLink xlink:role="http://beautyhealth.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_019ff7ae-3f4d-7dee-8629-f61759c05bcd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntitiesTable_019ff7ae-3f4d-7dee-8629-f61759c05bcd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_019ff7ae-3f4d-710a-9846-8106f1c17740" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_019ff7ae-3f4d-7dee-8629-f61759c05bcd" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_019ff7ae-3f4d-710a-9846-8106f1c17740" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019ff7ae-3f4d-710a-9846-8106f1c17740_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019ff7ae-3f4d-710a-9846-8106f1c17740" xlink:to="loc_us-gaap_EquityComponentDomain_019ff7ae-3f4d-710a-9846-8106f1c17740_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_019ff7ae-3f4d-7dcf-b19d-f3584f40f82d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_019ff7ae-3f4d-710a-9846-8106f1c17740" xlink:to="loc_us-gaap_EquityComponentDomain_019ff7ae-3f4d-7dcf-b19d-f3584f40f82d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_019ff7ae-3f4d-7644-bcfa-8087b64c27f1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_019ff7ae-3f4d-7dcf-b19d-f3584f40f82d" xlink:to="loc_us-gaap_CommonStockMember_019ff7ae-3f4d-7644-bcfa-8087b64c27f1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019ff7ae-3f4d-7383-bbf1-8ee3a1e2ec11" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_DocumentType_019ff7ae-3f4d-7383-bbf1-8ee3a1e2ec11" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019ff7ae-3f4d-76b5-b898-144ba9a1d3d7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_DocumentPeriodEndDate_019ff7ae-3f4d-76b5-b898-144ba9a1d3d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019ff7ae-3f4d-73cf-b861-c63330b09ed3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityRegistrantName_019ff7ae-3f4d-73cf-b861-c63330b09ed3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019ff7ae-3f4d-7c85-8c14-d21820510cbf" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019ff7ae-3f4d-7c85-8c14-d21820510cbf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019ff7ae-3f4d-7f2e-8ced-4570df792795" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityFileNumber_019ff7ae-3f4d-7f2e-8ced-4570df792795" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019ff7ae-3f4d-7806-91c2-4e05a1f51a8f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityTaxIdentificationNumber_019ff7ae-3f4d-7806-91c2-4e05a1f51a8f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019ff7ae-3f4d-7913-ba72-4097e442002f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityAddressAddressLine1_019ff7ae-3f4d-7913-ba72-4097e442002f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019ff7ae-3f4d-73e9-a7be-544d1005a8e9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityAddressCityOrTown_019ff7ae-3f4d-73e9-a7be-544d1005a8e9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019ff7ae-3f4d-77cd-9c69-ad3274b88e7f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityAddressStateOrProvince_019ff7ae-3f4d-77cd-9c69-ad3274b88e7f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019ff7ae-3f4d-7177-9783-de20f797c40d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityAddressPostalZipCode_019ff7ae-3f4d-7177-9783-de20f797c40d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019ff7ae-3f4d-715a-8f04-cb5a00069f42" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_CityAreaCode_019ff7ae-3f4d-715a-8f04-cb5a00069f42" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019ff7ae-3f4d-7c4d-be81-78dbb348268c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_LocalPhoneNumber_019ff7ae-3f4d-7c4d-be81-78dbb348268c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019ff7ae-3f4d-795f-8b67-297b4e5082d4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_WrittenCommunications_019ff7ae-3f4d-795f-8b67-297b4e5082d4" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019ff7ae-3f4d-7448-bdf4-6bb5432ddf20" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_SolicitingMaterial_019ff7ae-3f4d-7448-bdf4-6bb5432ddf20" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019ff7ae-3f4d-7251-b6b0-472bff0d557b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_PreCommencementTenderOffer_019ff7ae-3f4d-7251-b6b0-472bff0d557b" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019ff7ae-3f4d-7d45-a6a1-ae0681ae36cf" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019ff7ae-3f4d-7d45-a6a1-ae0681ae36cf" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019ff7ae-3f4d-7c90-971c-abef4b8d7f10" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_Security12bTitle_019ff7ae-3f4d-7c90-971c-abef4b8d7f10" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019ff7ae-3f4d-77fd-be3c-d4a4cc3aaa1a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_TradingSymbol_019ff7ae-3f4d-77fd-be3c-d4a4cc3aaa1a" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019ff7ae-3f4d-7022-8b5e-43919d48a1a6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityEmergingGrowthCompany_019ff7ae-3f4d-7022-8b5e-43919d48a1a6" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019ff7ae-3f4d-794f-955c-4f75c6590efb" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_AmendmentFlag_019ff7ae-3f4d-794f-955c-4f75c6590efb" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019ff7ae-3f4d-72c1-bf0a-9b66f4509d46" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_EntityCentralIndexKey_019ff7ae-3f4d-72c1-bf0a-9b66f4509d46" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019ff7ae-3f4d-76a9-9e7e-7a9abe0c4b12" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_SecurityExchangeName_019ff7ae-3f4d-76a9-9e7e-7a9abe0c4b12" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_019ff7ae-3f4d-7283-8b31-bec710595833" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_019ff7ae-3f4d-7907-8ac5-6c53ef0968f1" xlink:to="loc_dei_CurrentFiscalYearEndDate_019ff7ae-3f4d-7283-8b31-bec710595833" xlink:type="arc" order="22"/>
  </link:definitionLink>
</link:linkbase>
