diff --git a/packages/@o3r/styling/builders/style-extractor/helpers/css-variable.extractor.ts b/packages/@o3r/styling/builders/style-extractor/helpers/css-variable.extractor.ts
index e156ac761e..d8caa50b40 100644
--- a/packages/@o3r/styling/builders/style-extractor/helpers/css-variable.extractor.ts
+++ b/packages/@o3r/styling/builders/style-extractor/helpers/css-variable.extractor.ts
@@ -135,8 +135,19 @@ export class CssVariableExtractor {
 
           const cleanedUrl = url.replace('~', '');
           const moduleName = CssVariableExtractor.getPackageName(cleanedUrl);
-          const packagePath = path.dirname(require.resolve(`${moduleName}/package.json`));
-          const computedPathUrl = path.join(packagePath, cleanedUrl.replace(moduleName, ''));
+          const subEntry = cleanedUrl.replace(moduleName, '.');
+          const packageJsonPath = require.resolve(`${moduleName}/package.json`);
+          const packagePath = path.dirname(packageJsonPath);
+          const packageJson = JSON.parse(fs.readFileSync(packageJsonPath, { encoding: 'utf-8' }));
+          let computedPathUrl;
+          if (subEntry !== '.' && packageJson.exports?.[subEntry]) {
+            computedPathUrl = path.join(packagePath, packageJson.exports[subEntry].sass ||
+              packageJson.exports[subEntry].scss || packageJson.exports[subEntry].css ||
+              packageJson.exports[subEntry].default);
+          }
+          else {
+            computedPathUrl = path.join(packagePath, cleanedUrl.replace(moduleName, ''));
+          }
           const fileUrl = pathToFileURL(computedPathUrl);
           this.cache[url] = fileUrl;
           return fileUrl;
diff --git a/packages/@o3r/styling/scss/theming/_functions.scss b/packages/@o3r/styling/scss/theming/_functions.scss
index 3e5b08e564..7a03e0983a 100644
--- a/packages/@o3r/styling/scss/theming/_functions.scss
+++ b/packages/@o3r/styling/scss/theming/_functions.scss
@@ -13,11 +13,11 @@
 /// @example
 ///   @use '@o3r/styling' as o3r
 ///   $my-scss-var: o3r.variable('my-scss-var', '#fff', (description: 'My scss variable', tags: 'my-scss-var'));
-@function variable($name, $value: null, $details: null) {
+@function variable($name, $value: null, $details: null, $metadata-black-list-pattern: ()) {
   $key: utils-functions.get-var-key($name);
   $varName: '--#{$key}';
 
-  $logged: utils-functions.log-variable($key, $value, $details);
+  $logged: utils-functions.log-variable($key, $value, $details, $metadata-black-list-pattern);
   $res: if($value != null, 'var(#{$varName}, #{$value})', 'var(#{$varName})');
   @return #{$res};
 }
@@ -32,8 +32,8 @@
 /// @example
 ///   @use '@o3r/styling' as o3r
 ///   $my-scss-var: o3r.var('my-scss-var', '#fff', (description: 'My scss variable', tags: 'my-scss-var'));
-@function var($name, $value: null, $details: null) {
-  @return variable($name, $value, $details);
+@function var($name, $value: null, $details: null, $metadata-black-list-pattern: ()) {
+  @return variable($name, $value, $details, $metadata-black-list-pattern);
 }
 
 /// Returns true if the given map is an Otter Theme variable
diff --git a/packages/@o3r/styling/scss/theming/_mixins.scss b/packages/@o3r/styling/scss/theming/_mixins.scss
index 5c7eaa7e61..44995240da 100644
--- a/packages/@o3r/styling/scss/theming/_mixins.scss
+++ b/packages/@o3r/styling/scss/theming/_mixins.scss
@@ -4,20 +4,20 @@
 @use '../utils/functions' as utils-functions;
 
 /// @access private
-@mixin _apply-theme($o3r-theme, $root-name, $details: (tags: ('theme'))) {
+@mixin _apply-theme($o3r-theme, $root-name, $details: (tags: ('theme')), $metadata-black-list-pattern: ()) {
   @if (meta.type-of($o3r-theme) != map) {
-    @include define-var($root-name, $o3r-theme, $details);
+    @include define-var($root-name, $o3r-theme, $details, $metadata-black-list-pattern);
   } @else {
     @if (theme-functions.is-variable($o3r-theme)) {
       @if (map.has-key($o3r-theme, details)) {
-        @include _apply-theme(map.get($o3r-theme, value), $root-name, map.get($o3r-theme, details));
+        @include _apply-theme(map.get($o3r-theme, value), $root-name, map.get($o3r-theme, details), $metadata-black-list-pattern);
       } @else {
-        @include _apply-theme(map.get($o3r-theme, value), $root-name);
+        @include _apply-theme(map.get($o3r-theme, value), $root-name, $details, $metadata-black-list-pattern);
       }
     } @else {
       @each $key, $value in $o3r-theme {
         $new-key: if($root-name != '', '#{$root-name}-#{$key}', $key);
-        @include _apply-theme($value, $new-key);
+        @include _apply-theme($value, $new-key, $details, $metadata-black-list-pattern);
       }
     }
   }
@@ -26,9 +26,9 @@
 /// Apply an Otter theme to your application
 /// @access public
 /// @param {@see @link https://github.com/AmadeusITGroup/otter/blob/main/docs/styling/THEME.md#technical-structure-advance} $o3r-theme Otter theme
-@mixin apply-theme($o3r-theme: ()) {
+@mixin apply-theme($o3r-theme: (), $metadata-black-list-pattern: ('_mat-theming-internal')) {
   :root {
-    @include _apply-theme($o3r-theme, '');
+    @include _apply-theme($o3r-theme, '', $metadata-black-list-pattern: $metadata-black-list-pattern);
   }
 }
 
@@ -68,11 +68,11 @@
 ///     // Override the metadata of an existing "--my-scss-var" variable
 ///     @include o3r.define-var('--my-scss-var', null, (description: 'My scss variable'))
 ///   }
-@mixin define-var($name, $value, $details) {
+@mixin define-var($name, $value, $details, $metadata-black-list-pattern: ()) {
   $key: utils-functions.get-var-key($name);
   $varName: '--#{$key}';
 
-  $logged: utils-functions.log-variable($key, $value, $details);
+  $logged: utils-functions.log-variable($key, $value, $details, $metadata-black-list-pattern);
   @if ($value != null) {
     #{$varName}: #{$value};
   } @else {
@@ -97,6 +97,6 @@
 ///   :root {
 ///     @include o3r.var('my-scss-var', '#fff')
 ///   }
-@mixin var($name, $value, $details) {
-  @include define-var($name, $value, $details)
+@mixin var($name, $value, $details, $metadata-black-list-pattern: ()) {
+  @include define-var($name, $value, $details, $metadata-black-list-pattern)
 }
diff --git a/packages/@o3r/styling/scss/utils/_functions.scss b/packages/@o3r/styling/scss/utils/_functions.scss
index 54e6f574ba..1d963bfa71 100644
--- a/packages/@o3r/styling/scss/utils/_functions.scss
+++ b/packages/@o3r/styling/scss/utils/_functions.scss
@@ -72,9 +72,18 @@ $test-mode-enabled: false !default;
 
 /// Report variable creation for metadata
 /// @access private
-@function log-variable($name, $value: null, $details: null) {
+@function log-variable($name, $value: null, $details: null, $metadata-black-list-pattern: ()) {
   $metadata-debug: false !default;
-  @if (meta.function-exists('metadata-report')) {
+  $is-blacked-listed-property: false;
+
+  @if list.length($metadata-black-list-pattern) > 0 {
+    @for $i from 1 to list.length($metadata-black-list-pattern) + 1 {
+      $pattern: list.nth($metadata-black-list-pattern, $i);
+      $is-blacked-listed-property: $is-blacked-listed-property or string.index($name, $pattern) != null;
+    }
+  }
+
+  @if (meta.function-exists('metadata-report') and not $is-blacked-listed-property) {
     $metadata-debug: metadata-report($name, $value, $details);
   }
   @return $metadata-debug;