diff --git a/core/serializers/detail.py b/core/serializers/detail.py
index 0ef62c6f..b4ecc9a3 100644
--- a/core/serializers/detail.py
+++ b/core/serializers/detail.py
@@ -89,20 +89,19 @@ class CategoryDetailSerializer(ModelSerializer):
                 .distinct()
             )
 
-            distinct_vals_list = list(distinct_vals)
+            distinct_vals_list = list(distinct_vals)[0:128] if len(list(distinct_vals)) > 128 else list(distinct_vals)
 
-            if len(distinct_vals_list) <= 256:
-                filterable_results.append(
-                    {
-                        "attribute_name": attr.name,
-                        "possible_values": distinct_vals_list,
-                        "value_type": attr.value_type,
-                    }
-                )
-            else:
-                continue
+            filterable_results.append(
+                {
+                    "attribute_name": attr.name,
+                    "possible_values": distinct_vals_list,
+                    "value_type": attr.value_type,
+                }
+            )
+
+        if not user.has_perm("view_attribute"):
+            cache.set(f"{obj.uuid}_filterable_results", filterable_results, 86400)
 
-        cache.set(f"{obj.uuid}_filterable_results", filterable_results, 86400)
         return filterable_results
 
     def get_children(self, obj) -> list[dict]:
@@ -123,7 +122,7 @@ class CategoryDetailSerializer(ModelSerializer):
 
 
 class BrandDetailSerializer(ModelSerializer):
-    categories = CategoryDetailSerializer(many=True)
+    categories = CategorySimpleSerializer(many=True)
     small_logo = SerializerMethodField()
     big_logo = SerializerMethodField()