diff --git a/imports/plugins/core/catalog/client/components/publishControls.js b/imports/plugins/core/catalog/client/components/publishControls.js
index faa6c5c6be8..b06ba372fd2 100644
--- a/imports/plugins/core/catalog/client/components/publishControls.js
+++ b/imports/plugins/core/catalog/client/components/publishControls.js
@@ -1,5 +1,8 @@
 import React, { Component } from "react";
 import PropTypes from "prop-types";
+import classnames from "classnames";
+import { Meteor } from "meteor/meteor";
+import { ReactiveVar } from "meteor/reactive-var";
 import { Components } from "@reactioncommerce/reaction-components";
 import {
   Button,
@@ -10,7 +13,7 @@ import {
 import { Translatable } from "/imports/plugins/core/ui/client/providers";
 
 /** TMP **/
-import { Reaction } from "/client/api";
+import { i18next, Reaction } from "/client/api";
 
 class PublishControls extends Component {
   static propTypes = {
@@ -37,14 +40,28 @@ class PublishControls extends Component {
   constructor(props) {
     super(props);
 
-    this.state = {
-      showDiffs: false
-    };
+    this.currentProductHash = new ReactiveVar([]);
 
     this.handleToggleShowChanges = this.handleToggleShowChanges.bind(this);
     this.handlePublishClick = this.handlePublishClick.bind(this);
   }
 
+  state = {
+    isHashUpdating: false,
+    showDiffs: false
+  };
+
+  componentWillReceiveProps() {
+    this.setState({
+      isHashUpdating: false
+    });
+  }
+
+  componentDidUpdate() {
+    // Re-calculate hash after publishing
+    this.renderHashCalculation();
+  }
+
   handleToggleShowChanges() {
     this.setState({
       showDiffs: !this.state.showDiffs
@@ -54,6 +71,10 @@ class PublishControls extends Component {
   handlePublishClick() {
     if (this.props.onPublishClick) {
       this.props.onPublishClick(this.props.revisions);
+
+      this.setState({
+        isHashUpdating: true
+      });
     }
   }
 
@@ -200,13 +221,13 @@ class PublishControls extends Component {
 
     return (
       <div className="hidden-xs">
+        {this.renderChangesNotification()}
         <Button
-          bezelStyle="outline"
+          bezelStyle="solid"
           disabled={isDisabled}
           label="Publish"
           onClick={this.handlePublishClick}
           status="success"
-          tooltip={"This product has changes that need to be published before they are visible to your customers."}
           i18nKeyLabel="productDetailEdit.publish"
           {...buttonProps}
         />
@@ -304,6 +325,64 @@ class PublishControls extends Component {
     );
   }
 
+  renderHashCalculation = () => {
+    const productDocument = this.props && this.props.documents && this.props.documents[0];
+
+    if (productDocument) {
+      Meteor.call("products/getpublishedProductHash", productDocument._id, (err, result) => {
+        if (err) {
+          Alerts.toast(i18next.t("admin.catalogCalculateHashError", { err: err.reason }), "error");
+        }
+        if (result) {
+          this.currentProductHash.set(result);
+        }
+      });
+    }
+    return;
+  }
+
+  renderChangesNotification = () => {
+    const publishedProductHash = (this.props && this.props.documents && this.props.documents[0] && this.props.documents[0].publishedProductHash) || null;
+    const { isHashUpdating } = this.state;
+
+    // Calculate hash to compare
+    this.renderHashCalculation();
+    const currentProductHash = this.currentProductHash.get();
+
+    const hashIndicator = classnames({
+      "rui": true,
+      "hash-icon": true,
+      "fa-stack": true,
+      "fa-lg": true,
+      "hash-icon-visible": publishedProductHash !== currentProductHash,
+      "hash-icon-hidden": publishedProductHash === currentProductHash
+    });
+
+    const primaryIcon = classnames({
+      "fa": true,
+      "fa-stack-2x": true,
+      "fa-circle": isHashUpdating,
+      "fa-circle-o": !isHashUpdating
+    });
+
+    const secondaryIcon = classnames({
+      "fa": true,
+      "fa-stack-1x": true,
+      "fa-refresh": isHashUpdating,
+      "fa-circle": !isHashUpdating,
+      "fa-spin": isHashUpdating
+    });
+
+    // We don't use the `<Icon>` component here as we do not have layered
+    // icons built in to the existing component
+    return (
+      <span className={hashIndicator} style={{ fontSize: 11, position: "absolute", top: "2px", right: "4px" }}>
+        <i className={primaryIcon} style={{ color: "#ffffff" }} />
+        <i className={secondaryIcon} style={{ fontSize: "1.5em", color: "#f4c43c" }} />
+      </span>
+    );
+  }
+
   render() {
     return (
       <Components.ToolbarGroup lastChild={true}>
diff --git a/imports/plugins/core/catalog/server/i18n/en.json b/imports/plugins/core/catalog/server/i18n/en.json
index 99ed92cdbe5..9ab301eaab4 100644
--- a/imports/plugins/core/catalog/server/i18n/en.json
+++ b/imports/plugins/core/catalog/server/i18n/en.json
@@ -5,6 +5,7 @@
     "reaction-catalog": {
       "admin": {
         "catalogProductPublishSuccess": "Product published to catalog",
+        "catalogCalculateHashError": "There was an error trying to calculate this products hash.",
         "shortcut": {
           "catalogLabel": "Catalog",
           "catalogTitle": "Catalog"
diff --git a/imports/plugins/core/catalog/server/methods/catalog.js b/imports/plugins/core/catalog/server/methods/catalog.js
index 0b59d19f18a..2d6baba2270 100644
--- a/imports/plugins/core/catalog/server/methods/catalog.js
+++ b/imports/plugins/core/catalog/server/methods/catalog.js
@@ -8,6 +8,7 @@ import { Hooks, Logger, Reaction } from "/server/api";
 import { MediaRecords, Products, Tags } from "/lib/collections";
 import { Media } from "/imports/plugins/core/files/server";
 import rawCollections from "/imports/collections/rawCollections";
+import { createProductHash } from "../no-meteor/mutations/hashProduct";
 import getProductPriceRange from "../no-meteor/utils/getProductPriceRange";
 import getVariants from "../no-meteor/utils/getVariants";
 import hasChildVariant from "../no-meteor/utils/hasChildVariant";
@@ -1576,5 +1577,23 @@ Meteor.methods({
 
     // if collection updated we return new `isVisible` state
     return res === 1 && !product.isVisible;
+  },
+
+  /**
+   * @name products/getpublishedProductHash
+   * @memberof Methods/Products
+   * @method
+   * @summary hashes product information for comparison purposes
+   * @param {String} productId - the product _id of the product to hash
+   * @return {String} hash of product
+   */
+  "products/getpublishedProductHash"(productId) {
+    check(productId, String);
+
+    const product = Products.findOne({ _id: productId });
+
+    const productHash = createProductHash(product, rawCollections);
+
+    return productHash;
   }
 });
diff --git a/imports/plugins/core/catalog/server/no-meteor/mutations/hashProduct.js b/imports/plugins/core/catalog/server/no-meteor/mutations/hashProduct.js
index 5e43fd9d576..c784fe726e2 100644
--- a/imports/plugins/core/catalog/server/no-meteor/mutations/hashProduct.js
+++ b/imports/plugins/core/catalog/server/no-meteor/mutations/hashProduct.js
@@ -9,7 +9,7 @@ import createCatalogProduct from "../utils/createCatalogProduct";
  * @param {Object} collections - Raw mongo collections
  * @return {String} product hash
  */
-async function createProductHash(productToConvert, collections) {
+export async function createProductHash(productToConvert, collections) {
   const product = await createCatalogProduct(productToConvert, collections);
 
   const hashableFields = {
diff --git a/imports/plugins/included/default-theme/client/styles/toolbar.less b/imports/plugins/included/default-theme/client/styles/toolbar.less
index d126d00e3a0..dda47661a28 100644
--- a/imports/plugins/included/default-theme/client/styles/toolbar.less
+++ b/imports/plugins/included/default-theme/client/styles/toolbar.less
@@ -56,3 +56,15 @@ html.rtl .rui.toolbar.toolbar-vertical {
     display: flex !important;
   }
 }
+
+.rui.hash-icon {
+  transition: opacity 200ms linear;
+}
+
+.rui.hash-icon.hash-icon-visible {
+  opacity: 1.0;
+}
+
+.rui.hash-icon.hash-icon-hidden {
+  opacity: 0.0;
+}