diff --git a/src/script/components/Avatar/Avatar.tsx b/src/script/components/Avatar/Avatar.tsx
index d3567ae1ae0..ca428e0f4e3 100644
--- a/src/script/components/Avatar/Avatar.tsx
+++ b/src/script/components/Avatar/Avatar.tsx
@@ -122,7 +122,7 @@ const Avatar: FC<AvatarProps> = ({
   }
 
   if (!participant.isAvailable()) {
-    return <PlaceholderAvatar size={avatarSize} onClick={() => onAvatarClick?.(participant)} />;
+    return <PlaceholderAvatar avatarSize={avatarSize} onClick={() => onAvatarClick?.(participant)} />;
   }
 
   const isMe = participant?.isMe;
diff --git a/src/script/components/Avatar/PlaceholderAvatar/PlaceholderAvatar.tsx b/src/script/components/Avatar/PlaceholderAvatar/PlaceholderAvatar.tsx
index 8613e7e950c..4996c389d52 100644
--- a/src/script/components/Avatar/PlaceholderAvatar/PlaceholderAvatar.tsx
+++ b/src/script/components/Avatar/PlaceholderAvatar/PlaceholderAvatar.tsx
@@ -17,19 +17,24 @@
  *
  */
 
+import React from 'react';
+
 import {AVATAR_SIZE, DIAMETER} from 'Components/Avatar';
 
 import {DefaultAvatarImageSmall, DefaultAvatarImageLarge} from './DefaultAvatarImage';
 
 import {AvatarWrapper} from '../AvatarWrapper';
 
-type PlaceholderAvatarProps = {size: AVATAR_SIZE; onClick: () => void};
+interface PlaceholderAvatarProps extends React.HTMLProps<HTMLDivElement> {
+  avatarSize: AVATAR_SIZE;
+  onClick?: () => void;
+}
 
-export function PlaceholderAvatar({size, onClick}: PlaceholderAvatarProps) {
+export function PlaceholderAvatar({avatarSize: size, onClick, ...props}: PlaceholderAvatarProps) {
   const diameter = DIAMETER[size];
   const ImageComponent = diameter >= DIAMETER[AVATAR_SIZE.LARGE] ? DefaultAvatarImageLarge : DefaultAvatarImageSmall;
   return (
-    <AvatarWrapper avatarSize={size} color={''} onClick={onClick}>
+    <AvatarWrapper avatarSize={size} color={''} onClick={onClick} {...props}>
       <ImageComponent diameter={diameter} />
     </AvatarWrapper>
   );
diff --git a/src/script/components/MessagesList/Message/ContentMessage/MessageHeader.tsx b/src/script/components/MessagesList/Message/ContentMessage/MessageHeader.tsx
index ce8e5fc6fe7..28ea6859999 100644
--- a/src/script/components/MessagesList/Message/ContentMessage/MessageHeader.tsx
+++ b/src/script/components/MessagesList/Message/ContentMessage/MessageHeader.tsx
@@ -106,7 +106,7 @@ export function MessageHeader({
       <div className="message-header-label" data-uie-name={uieName}>
         <h4
           className={`message-header-label-sender ${!noColor && message.accent_color()}`}
-          css={!isAvailable ? {color: '#676B71'} : {}}
+          css={!isAvailable ? {color: 'var(--gray-70)'} : {}}
           data-uie-name={uieName ? `${uieName}-sender-name` : 'sender-name'}
           data-uie-uid={sender.id}
         >
diff --git a/src/script/components/panel/UserDetails.test.tsx b/src/script/components/panel/UserDetails.test.tsx
index 1d32d9495a5..73483bc5169 100644
--- a/src/script/components/panel/UserDetails.test.tsx
+++ b/src/script/components/panel/UserDetails.test.tsx
@@ -19,6 +19,7 @@
 
 import {render} from '@testing-library/react';
 
+import {t} from 'Util/LocalizerUtil';
 import {createRandomUuid} from 'Util/util';
 
 import {UserDetails} from './UserDetails';
@@ -88,6 +89,7 @@ describe('UserDetails', () => {
     const expirationText = '1h remaining';
     const participant = new User(createRandomUuid());
     participant.isGuest(true);
+    participant.name("I'm a guest");
     participant.isTemporaryGuest(true);
     participant.expirationText(expirationText);
 
@@ -103,4 +105,20 @@ describe('UserDetails', () => {
     expect(getByTestId('status-guest')).not.toBeNull();
     expect(getByText(expirationText)).not.toBeNull();
   });
+
+  it('renders the placeholder avatar for a user that could not be loaded', () => {
+    const participant = new User(createRandomUuid());
+    participant.name('');
+
+    const props = {
+      isGroupAdmin: false,
+      isSelfVerified: true,
+      isVerified: false,
+      participant,
+    };
+
+    const {getByTestId} = render(<UserDetails {...props} />);
+
+    expect(getByTestId('status-name').textContent).toBe(t('unavailableUser'));
+  });
 });
diff --git a/src/script/components/panel/UserDetails.tsx b/src/script/components/panel/UserDetails.tsx
index 05c3f098ca8..edf84e8024b 100644
--- a/src/script/components/panel/UserDetails.tsx
+++ b/src/script/components/panel/UserDetails.tsx
@@ -44,7 +44,7 @@ export interface UserDetailsProps {
   avatarStyles?: React.CSSProperties;
 }
 
-const UserDetailsComponent: React.FC<UserDetailsProps> = ({
+export const UserDetailsComponent: React.FC<UserDetailsProps> = ({
   badge,
   participant,
   isSelfVerified,
@@ -60,9 +60,11 @@ const UserDetailsComponent: React.FC<UserDetailsProps> = ({
     'name',
     'availability',
     'is_verified',
+    'isAvailable',
   ]);
 
   useEffect(() => {
+    // This will trigger a user refresh
     amplify.publish(WebAppEvents.USER.UPDATE, participant.qualifiedId);
   }, [participant]);
 
@@ -80,8 +82,12 @@ const UserDetailsComponent: React.FC<UserDetailsProps> = ({
             dataUieName="status-name"
           />
         ) : (
-          <h2 className="panel-participant__head__name" data-uie-name="status-name">
-            {user.name}
+          <h2
+            className="panel-participant__head__name"
+            data-uie-name="status-name"
+            css={user.isAvailable ? undefined : {color: 'var(--gray-70)'}}
+          >
+            {user.isAvailable ? user.name : t('unavailableUser')}
           </h2>
         )}
 
@@ -123,14 +129,14 @@ const UserDetailsComponent: React.FC<UserDetailsProps> = ({
         </div>
       )}
 
-      {isGuest && (
+      {isGuest && user.isAvailable && (
         <div className="panel-participant__label" data-uie-name="status-guest">
           <Icon.Guest />
           <span>{t('conversationGuestIndicator')}</span>
         </div>
       )}
 
-      {user.isTemporaryGuest && (
+      {user.isTemporaryGuest && user.isAvailable && (
         <div className="panel-participant__guest-expiration" data-uie-name="status-expiration-text">
           {user.expirationText}
         </div>
@@ -146,12 +152,10 @@ const UserDetailsComponent: React.FC<UserDetailsProps> = ({
   );
 };
 
-const UserDetails: React.FC<UserDetailsProps> = props => {
+export const UserDetails: React.FC<UserDetailsProps> = props => {
   return (
     <ErrorBoundary FallbackComponent={ErrorFallback}>
       <UserDetailsComponent {...props} />
     </ErrorBoundary>
   );
 };
-
-export {UserDetails};