diff --git a/internal/controlplane/api/creator.go b/internal/controlplane/api/creator.go
index 26cc45e..2980f89 100644
--- a/internal/controlplane/api/creator.go
+++ b/internal/controlplane/api/creator.go
@@ -1248,7 +1248,7 @@ func newAnonymousBrowser(ctx context.Context, store *hub.Store) (anonymousBrowse
 	if template.Fingerprint.Seed < 1 {
 		template.Fingerprint.Seed = time.Now().UnixNano()%2147483646 + 1
 	}
-	environment := hub.EnvironmentContext{Env: template, BindingVersion: 1}
+	environment := hub.EnvironmentContext{Env: template, ProfileID: template.Alias, BindingVersion: 1}
 	payload := gatewayCreatePayload(environment, "", gatewayNetworkExit{})
 	status, body, callErr := gatewayCall(ctx, gateway, http.MethodPost, "/v1/browsers", payload, gatewayLongTimeout)
 	if callErr == nil && status == http.StatusCreated {
diff --git a/internal/controlplane/api/creator_anonymous_browser_test.go b/internal/controlplane/api/creator_anonymous_browser_test.go
new file mode 100644
index 0000000..bbd50ea
--- /dev/null
+++ b/internal/controlplane/api/creator_anonymous_browser_test.go
@@ -0,0 +1,134 @@
+package api
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"os"
+	"regexp"
+	"strings"
+	"testing"
+
+	hub "git.ipao.vip/rogee/creator-hub/internal/environment"
+)
+
+func TestAnonymousBrowserUsesIndependentProfile(t *testing.T) {
+	databaseURL := os.Getenv("CREATORHUB_POSTGRES_TEST_URL")
+	if databaseURL == "" {
+		t.Skip("set CREATORHUB_POSTGRES_TEST_URL to run PostgreSQL integration coverage")
+	}
+	for _, withTemplate := range []bool{false, true} {
+		name := "without_template"
+		if withTemplate {
+			name = "with_template"
+		}
+		t.Run(name, func(t *testing.T) {
+			ctx := context.Background()
+			store, err := hub.Open(ctx, isolatedControlPlaneDatabaseURL(t, databaseURL))
+			if err != nil {
+				t.Fatal(err)
+			}
+			t.Cleanup(func() { _ = store.Close() })
+
+			var payloads []struct {
+				Alias     string `json:"alias"`
+				ProfileID string `json:"profile_id"`
+			}
+			var purgedProfiles []string
+			profilePattern := regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9._:@/-]{0,127}$`)
+			gateway := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+				w.Header().Set("Content-Type", "application/json")
+				switch {
+				case r.Method == http.MethodPost && r.URL.Path == "/v1/browsers":
+					var payload struct {
+						Alias     string `json:"alias"`
+						ProfileID string `json:"profile_id"`
+					}
+					if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
+						t.Error(err)
+						w.WriteHeader(http.StatusBadRequest)
+						return
+					}
+					payloads = append(payloads, payload)
+					if !profilePattern.MatchString(payload.ProfileID) {
+						w.WriteHeader(http.StatusBadRequest)
+						_, _ = w.Write([]byte(`{"detail":"profile_id is invalid"}`))
+						return
+					}
+					w.WriteHeader(http.StatusCreated)
+					_ = json.NewEncoder(w).Encode(map[string]any{
+						"id": strings.Repeat("a", 64), "network_id": "native-" + strings.Repeat("b", 32),
+						"alias": payload.Alias, "binding_version": 1, "state": "running",
+					})
+				case r.Method == http.MethodGet && r.URL.Path == "/v1/browsers":
+					_, _ = w.Write([]byte(`[]`))
+				case r.Method == http.MethodDelete && strings.HasPrefix(r.URL.Path, "/v1/browsers/"):
+					var payload struct {
+						PurgeProfile bool `json:"purge_profile"`
+					}
+					if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
+						t.Error(err)
+					}
+					if !payload.PurgeProfile {
+						t.Error("anonymous cleanup must purge its temporary profile")
+					}
+					// The gateway purges the profile saved in the runtime selected by alias.
+					alias := strings.TrimPrefix(r.URL.Path, "/v1/browsers/")
+					for _, created := range payloads {
+						if created.Alias == alias {
+							purgedProfiles = append(purgedProfiles, created.ProfileID)
+							break
+						}
+					}
+					w.WriteHeader(http.StatusNoContent)
+				default:
+					http.NotFound(w, r)
+				}
+			}))
+			defer gateway.Close()
+			if _, err := store.CreateGateway(ctx, "gw-profile-test", gateway.URL, "unit-test-gateway-token"); err != nil {
+				t.Fatal(err)
+			}
+			var template hub.EnvironmentContext
+			if withTemplate {
+				template, err = store.CreateStandaloneEnv(ctx, "gw-profile-test", hub.Fingerprint{}, 4096)
+				if err != nil {
+					t.Fatal(err)
+				}
+			}
+
+			for i := 0; i < 2; i++ {
+				lease, err := newAnonymousBrowser(ctx, store)
+				if err != nil {
+					t.Fatalf("anonymous browser creation failed: %v", err)
+				}
+				if err := lease.close(); err != nil {
+					t.Fatal(err)
+				}
+				payload := payloads[i]
+				if payload.ProfileID != payload.Alias || !strings.HasPrefix(payload.ProfileID, "anon-") {
+					t.Fatalf("anonymous profile must use its own alias: %+v", payload)
+				}
+				if purgedProfiles[i] != payload.ProfileID {
+					t.Fatalf("cleanup purged another profile: got %q want %q", purgedProfiles[i], payload.ProfileID)
+				}
+				if withTemplate && payload.ProfileID == template.ProfileID {
+					t.Fatal("anonymous browser reused an existing environment profile")
+				}
+			}
+			if payloads[0].ProfileID == payloads[1].ProfileID {
+				t.Fatal("anonymous browsers must not share a profile")
+			}
+			if withTemplate {
+				stored, err := store.GetEnvironmentContext(ctx, template.Alias)
+				if err != nil {
+					t.Fatal(err)
+				}
+				if stored.ProfileID != template.ProfileID || stored.Fingerprint.Seed != template.Fingerprint.Seed {
+					t.Fatal("anonymous browser changed the existing environment identity")
+				}
+			}
+		})
+	}
+}