diff --git a/client/coral-configure/components/ConfigureCommentStream.css b/client/coral-configure/components/ConfigureCommentStream.css
index ea20e4c05..335c94377 100644
--- a/client/coral-configure/components/ConfigureCommentStream.css
+++ b/client/coral-configure/components/ConfigureCommentStream.css
@@ -9,12 +9,12 @@
   right: 0;
 }
 
-ul {
+.wrapper ul {
   list-style: none;
   padding: 0;
 }
 
-ul ul {
+.wrapper ul ul {
   padding-left: 20px
 }
 
@@ -23,12 +23,12 @@ ul ul {
   margin: 12px 12px 12px 0;
 }
 
-h4 {
+.wrapper h4 {
   font-size: 14px;
   margin-bottom: 5px;
 }
 
-p {
+.wrapper p {
   max-width: 380px;
 }
 
diff --git a/client/coral-embed-stream/src/Comment.css b/client/coral-embed-stream/src/Comment.css
index a1f7b8654..6f89208bc 100644
--- a/client/coral-embed-stream/src/Comment.css
+++ b/client/coral-embed-stream/src/Comment.css
@@ -38,7 +38,10 @@
 .Menu {
   border: 1px solid #ddd;
   margin: 0;
-
+}
+ul.Menu {
+  list-style-type: none;
+  padding: 0;
 }
 
 .MenuItem {
@@ -50,6 +53,7 @@
   background-color: #2E343B;
   color: white;
   padding: 1em;
+  max-width: 220px;
 }
 
 .IgnoreUserWizard header {
diff --git a/client/coral-embed-stream/src/Embed.js b/client/coral-embed-stream/src/Embed.js
index 437152eac..3afd749cb 100644
--- a/client/coral-embed-stream/src/Embed.js
+++ b/client/coral-embed-stream/src/Embed.js
@@ -15,7 +15,7 @@ import {NEW_COMMENT_COUNT_POLL_INTERVAL} from 'coral-framework/constants/comment
 
 import {queryStream} from 'coral-framework/graphql/queries';
 import {postComment, postFlag, postLike, postDontAgree, deleteAction, addCommentTag, removeCommentTag, ignoreUser} from 'coral-framework/graphql/mutations';
-import {editName} from 'coral-framework/actions/user';
+import {editName, ignoreUserSuccess} from 'coral-framework/actions/user';
 import {updateCountCache, viewAllComments} from 'coral-framework/actions/asset';
 import {notificationActions, authActions, assetActions, pym} from 'coral-framework';
 
@@ -117,6 +117,15 @@ class Embed extends Component {
     }
   }
 
+  ignoreUser = async ({id}) => {
+    const {ignoreUser, dispatch} = this.props;
+    await ignoreUser({id});
+
+    // dispatch ignoreUserSuccess so other reducers can know about the newly
+    // ignored user (e.g. to hide coments by that user)
+    dispatch(ignoreUserSuccess({id}));
+  }
+
   render () {
     const {activeTab} = this.state;
     const {closedAt, countCache = {}} = this.props.asset;
@@ -253,11 +262,12 @@ class Embed extends Component {
                     postDontAgree={this.props.postDontAgree}
                     addCommentTag={this.props.addCommentTag}
                     removeCommentTag={this.props.removeCommentTag}
-                    ignoreUser={this.props.ignoreUser}
+                    ignoreUser={this.ignoreUser}
                     loadMore={this.props.loadMore}
                     deleteAction={this.props.deleteAction}
                     showSignInDialog={this.props.showSignInDialog}
-                    comments={asset.comments} />
+                    comments={asset.comments}
+                    ignoredUsers={this.props.userData.ignoredUsers} />
                 </div>
                 <LoadMore
                   topLevel={true}
@@ -292,7 +302,7 @@ class Embed extends Component {
 const mapStateToProps = state => ({
   auth: state.auth.toJS(),
   userData: state.user.toJS(),
-  asset: state.asset.toJS()
+  asset: state.asset.toJS(),
 });
 
 const mapDispatchToProps = dispatch => ({
@@ -305,7 +315,7 @@ const mapDispatchToProps = dispatch => ({
   updateCountCache: (id, count) => dispatch(updateCountCache(id, count)),
   viewAllComments: () => dispatch(viewAllComments()),
   logout: () => dispatch(logout()),
-  dispatch: d => dispatch(d)
+  dispatch: d => dispatch(d),
 });
 
 export default compose(
@@ -315,8 +325,8 @@ export default compose(
   postLike,
   postDontAgree,
   addCommentTag,
-  ignoreUser,
   removeCommentTag,
+  ignoreUser,
   deleteAction,
   queryStream,
 )(Embed);
diff --git a/client/coral-embed-stream/src/Stream.js b/client/coral-embed-stream/src/Stream.js
index 8ac9d2e40..4758af1c0 100644
--- a/client/coral-embed-stream/src/Stream.js
+++ b/client/coral-embed-stream/src/Stream.js
@@ -22,6 +22,9 @@ class Stream extends React.Component {
 
     // dispatch action to ignore another user
     ignoreUser: React.PropTypes.func,
+
+    // list of user ids that should be rendered as ignored
+    ignoredUsers: React.PropTypes.arrayOf(React.PropTypes.string)
   }
 
   constructor(props) {
@@ -47,35 +50,40 @@ class Stream extends React.Component {
       removeCommentTag,
       pluginProps,
       ignoreUser,
+      ignoredUsers,
     } = this.props;
-
+    const commentIsIgnored = (comment) => ignoredUsers && ignoredUsers.includes(comment.user.id);
     return (
       <div id='stream'>
         {
           comments.map(comment =>
-            <Comment
-              disableReply={!open}
-              setActiveReplyBox={this.props.setActiveReplyBox}
-              activeReplyBox={this.props.activeReplyBox}
-              addNotification={addNotification}
-              depth={0}
-              postItem={postItem}
-              asset={asset}
-              currentUser={currentUser}
-              postLike={postLike}
-              postFlag={postFlag}
-              postDontAgree={postDontAgree}
-              addCommentTag={addCommentTag}
-              removeCommentTag={removeCommentTag}
-              ignoreUser ={ignoreUser}
-              loadMore={loadMore}
-              deleteAction={deleteAction}
-              showSignInDialog={showSignInDialog}
-              key={comment.id}
-              reactKey={comment.id}
-              comment={comment}
-              pluginProps={pluginProps}
-            />
+            commentIsIgnored(comment)
+              ? <IgnoredCommentTombstone
+                  key={comment.id}
+                />
+              : <Comment
+                  disableReply={!open}
+                  setActiveReplyBox={this.props.setActiveReplyBox}
+                  activeReplyBox={this.props.activeReplyBox}
+                  addNotification={addNotification}
+                  depth={0}
+                  postItem={postItem}
+                  asset={asset}
+                  currentUser={currentUser}
+                  postLike={postLike}
+                  postFlag={postFlag}
+                  postDontAgree={postDontAgree}
+                  addCommentTag={addCommentTag}
+                  removeCommentTag={removeCommentTag}
+                  ignoreUser ={ignoreUser}
+                  loadMore={loadMore}
+                  deleteAction={deleteAction}
+                  showSignInDialog={showSignInDialog}
+                  key={comment.id}
+                  reactKey={comment.id}
+                  comment={comment}
+                  pluginProps={pluginProps}
+                />
           )
         }
       </div>
@@ -83,4 +91,18 @@ class Stream extends React.Component {
   }
 }
 
+const IgnoredCommentTombstone = () => (
+  <div>
+    <hr aria-hidden={true} />
+    <p style={{
+      backgroundColor: '#F0F0F0',
+      textAlign: 'center',
+      padding: '1em',
+      color: '#3E4F71',
+    }}>
+      This comment is hidden because you ignored this user.
+    </p>
+  </div>
+);
+
 export default Stream;
diff --git a/client/coral-framework/actions/user.js b/client/coral-framework/actions/user.js
index 3e80b718c..dd63cf215 100644
--- a/client/coral-framework/actions/user.js
+++ b/client/coral-framework/actions/user.js
@@ -1,6 +1,7 @@
 import {addNotification} from '../actions/notification';
 import coralApi from '../helpers/response';
 import * as actions from '../constants/auth';
+import {IGNORE_USER_SUCCESS} from '../constants/user';
 
 import I18n from 'coral-framework/modules/i18n/i18n';
 import translations from './../translations';
@@ -19,3 +20,6 @@ export const editName = (username) => (dispatch) => {
       dispatch(editUsernameFailure(lang.t(`error.${error.translation_key}`)));
     });
 };
+
+// a user was successfully ignored
+export const ignoreUserSuccess = ({id}) => ({type: IGNORE_USER_SUCCESS, id});
diff --git a/client/coral-framework/constants/user.js b/client/coral-framework/constants/user.js
index 5f040db5b..66e58e930 100644
--- a/client/coral-framework/constants/user.js
+++ b/client/coral-framework/constants/user.js
@@ -6,3 +6,4 @@ export const COMMENTS_BY_USER_SUCCESS = 'COMMENTS_BY_USER_SUCCESS';
 export const COMMENTS_BY_USER_FAILURE = 'COMMENTS_BY_USER_FAILURE';
 export const LOGOUT_SUCCESS = 'LOGOUT_SUCCESS';
 export const UPDATE_USERNAME = 'UPDATE_USERNAME';
+export const IGNORE_USER_SUCCESS = 'IGNORE_USER_SUCCESS';
diff --git a/client/coral-framework/reducers/user.js b/client/coral-framework/reducers/user.js
index b8ff54380..0c77b3f69 100644
--- a/client/coral-framework/reducers/user.js
+++ b/client/coral-framework/reducers/user.js
@@ -1,4 +1,4 @@
-import {Map} from 'immutable';
+import {Map, Set} from 'immutable';
 import * as authActions from '../constants/auth';
 import * as actions from '../constants/user';
 import * as assetActions from '../constants/assets';
@@ -8,7 +8,8 @@ const initialState = Map({
   profiles: [],
   settings: {},
   myComments: [],
-  myAssets: [] // the assets from which myComments (above) originated
+  myAssets: [], // the assets from which myComments (above) originated
+  ignoredUsers: Set(),
 });
 
 const purge = user => {
@@ -38,6 +39,8 @@ export default function user (state = initialState, action) {
     return state.set('myAssets', action.assets);
   case actions.LOGOUT_SUCCESS:
     return initialState;
+  case actions.IGNORE_USER_SUCCESS:
+    return state.updateIn(['ignoredUsers'], i => i.add(action.id));
   default :
     return state;
   }