diff --git a/mediapipe/tasks/cc/vision/face_geometry/calculators/BUILD b/mediapipe/tasks/cc/vision/face_geometry/calculators/BUILD
index b3d4e604a..3f2833f3b 100644
--- a/mediapipe/tasks/cc/vision/face_geometry/calculators/BUILD
+++ b/mediapipe/tasks/cc/vision/face_geometry/calculators/BUILD
@@ -60,6 +60,7 @@ cc_library(
         "//mediapipe/framework/port:ret_check",
         "//mediapipe/framework/port:status",
         "//mediapipe/framework/port:statusor",
+        "//mediapipe/tasks/cc:common",
         "//mediapipe/tasks/cc/core:external_file_handler",
         "//mediapipe/tasks/cc/core/proto:external_file_cc_proto",
         "//mediapipe/tasks/cc/vision/face_geometry/libs:geometry_pipeline",
@@ -69,6 +70,7 @@ cc_library(
         "//mediapipe/tasks/cc/vision/face_geometry/proto:geometry_pipeline_metadata_cc_proto",
         "//mediapipe/util:resource_util",
         "@com_google_absl//absl/memory",
+        "@com_google_absl//absl/strings:str_format",
     ],
     alwayslink = 1,
 )
diff --git a/mediapipe/tasks/cc/vision/face_geometry/calculators/geometry_pipeline_calculator.cc b/mediapipe/tasks/cc/vision/face_geometry/calculators/geometry_pipeline_calculator.cc
index 78cb1146a..4fbbf08e0 100644
--- a/mediapipe/tasks/cc/vision/face_geometry/calculators/geometry_pipeline_calculator.cc
+++ b/mediapipe/tasks/cc/vision/face_geometry/calculators/geometry_pipeline_calculator.cc
@@ -18,12 +18,14 @@
 #include <vector>
 
 #include "absl/memory/memory.h"
+#include "absl/strings/str_format.h"
 #include "mediapipe/framework/calculator_framework.h"
 #include "mediapipe/framework/formats/landmark.pb.h"
 #include "mediapipe/framework/port/ret_check.h"
 #include "mediapipe/framework/port/status.h"
 #include "mediapipe/framework/port/status_macros.h"
 #include "mediapipe/framework/port/statusor.h"
+#include "mediapipe/tasks/cc/common.h"
 #include "mediapipe/tasks/cc/core/external_file_handler.h"
 #include "mediapipe/tasks/cc/core/proto/external_file.pb.h"
 #include "mediapipe/tasks/cc/vision/face_geometry/calculators/geometry_pipeline_calculator.pb.h"
@@ -41,13 +43,50 @@ static constexpr char kEnvironmentTag[] = "ENVIRONMENT";
 static constexpr char kImageSizeTag[] = "IMAGE_SIZE";
 static constexpr char kMultiFaceGeometryTag[] = "MULTI_FACE_GEOMETRY";
 static constexpr char kMultiFaceLandmarksTag[] = "MULTI_FACE_LANDMARKS";
+static constexpr char kFaceGeometryTag[] = "FACE_GEOMETRY";
+static constexpr char kFaceLandmarksTag[] = "FACE_LANDMARKS";
 
 using ::mediapipe::tasks::vision::face_geometry::proto::Environment;
 using ::mediapipe::tasks::vision::face_geometry::proto::FaceGeometry;
 using ::mediapipe::tasks::vision::face_geometry::proto::
     GeometryPipelineMetadata;
 
-// A calculator that renders a visual effect for multiple faces.
+absl::Status SanityCheck(CalculatorContract* cc) {
+  if (!(cc->Inputs().HasTag(kFaceLandmarksTag) ^
+        cc->Inputs().HasTag(kMultiFaceLandmarksTag))) {
+    return CreateStatusWithPayload(
+        absl::StatusCode::kInvalidArgument,
+        absl::StrFormat("Only one of %s and %s can be set at a time.",
+                        kFaceLandmarksTag, kMultiFaceLandmarksTag));
+  }
+  if (!(cc->Outputs().HasTag(kFaceGeometryTag) ^
+        cc->Outputs().HasTag(kMultiFaceGeometryTag))) {
+    return CreateStatusWithPayload(
+        absl::StatusCode::kInvalidArgument,
+        absl::StrFormat("Only one of %s and %s can be set at a time.",
+                        kFaceGeometryTag, kMultiFaceGeometryTag));
+  }
+  if (cc->Inputs().HasTag(kFaceLandmarksTag) !=
+      cc->Outputs().HasTag(kFaceGeometryTag)) {
+    return CreateStatusWithPayload(
+        absl::StatusCode::kInvalidArgument,
+        absl::StrFormat(
+            "%s and %s must both be set or neither be set and a time.",
+            kFaceLandmarksTag, kFaceGeometryTag));
+  }
+  if (cc->Inputs().HasTag(kMultiFaceLandmarksTag) !=
+      cc->Outputs().HasTag(kMultiFaceGeometryTag)) {
+    return CreateStatusWithPayload(
+        absl::StatusCode::kInvalidArgument,
+        absl::StrFormat(
+            "%s and %s must both be set or neither be set and a time.",
+            kMultiFaceLandmarksTag, kMultiFaceGeometryTag));
+  }
+  return absl::OkStatus();
+}
+
+// A calculator that renders a visual effect for multiple faces. Support single
+// face landmarks or multiple face landmarks.
 //
 // Inputs:
 //   IMAGE_SIZE (`std::pair<int, int>`, required):
@@ -58,8 +97,12 @@ using ::mediapipe::tasks::vision::face_geometry::proto::
 //     ratio. If used as-is, the resulting face geometry visualization should be
 //     happening on a frame with the same ratio as well.
 //
-//   MULTI_FACE_LANDMARKS (`std::vector<NormalizedLandmarkList>`, required):
-//     A vector of face landmark lists.
+//   MULTI_FACE_LANDMARKS (`std::vector<NormalizedLandmarkList>`, optional):
+//     A vector of face landmark lists. If connected, the output stream
+//     MULTI_FACE_GEOMETRY must be connected.
+//   FACE_LANDMARKS (NormalizedLandmarkList, optional):
+//     A NormalizedLandmarkList of single face landmark lists. If connected, the
+//     output stream FACE_GEOMETRY must be connected.
 //
 // Input side packets:
 //   ENVIRONMENT (`proto::Environment`, required)
@@ -67,8 +110,10 @@ using ::mediapipe::tasks::vision::face_geometry::proto::
 //     as well as virtual camera parameters.
 //
 // Output:
-//   MULTI_FACE_GEOMETRY (`std::vector<FaceGeometry>`, required):
-//     A vector of face geometry data.
+//   MULTI_FACE_GEOMETRY (`std::vector<FaceGeometry>`, optional):
+//     A vector of face geometry data if MULTI_FACE_LANDMARKS is connected .
+//   FACE_GEOMETRY (FaceGeometry, optional):
+//     A FaceGeometry of the face landmarks if FACE_LANDMARKS is connected.
 //
 // Options:
 //   metadata_file (`ExternalFile`, optional):
@@ -81,13 +126,21 @@ class GeometryPipelineCalculator : public CalculatorBase {
  public:
   static absl::Status GetContract(CalculatorContract* cc) {
     cc->InputSidePackets().Tag(kEnvironmentTag).Set<Environment>();
+    MP_RETURN_IF_ERROR(SanityCheck(cc));
     cc->Inputs().Tag(kImageSizeTag).Set<std::pair<int, int>>();
-    cc->Inputs()
-        .Tag(kMultiFaceLandmarksTag)
-        .Set<std::vector<mediapipe::NormalizedLandmarkList>>();
-    cc->Outputs().Tag(kMultiFaceGeometryTag).Set<std::vector<FaceGeometry>>();
-
-    return absl::OkStatus();
+    if (cc->Inputs().HasTag(kMultiFaceLandmarksTag)) {
+      cc->Inputs()
+          .Tag(kMultiFaceLandmarksTag)
+          .Set<std::vector<mediapipe::NormalizedLandmarkList>>();
+      cc->Outputs().Tag(kMultiFaceGeometryTag).Set<std::vector<FaceGeometry>>();
+      return absl::OkStatus();
+    } else {
+      cc->Inputs()
+          .Tag(kFaceLandmarksTag)
+          .Set<mediapipe::NormalizedLandmarkList>();
+      cc->Outputs().Tag(kFaceGeometryTag).Set<FaceGeometry>();
+      return absl::OkStatus();
+    }
   }
 
   absl::Status Open(CalculatorContext* cc) override {
@@ -112,7 +165,6 @@ class GeometryPipelineCalculator : public CalculatorBase {
     ASSIGN_OR_RETURN(geometry_pipeline_,
                      CreateGeometryPipeline(environment, metadata),
                      _ << "Failed to create a geometry pipeline!");
-
     return absl::OkStatus();
   }
 
@@ -121,32 +173,54 @@ class GeometryPipelineCalculator : public CalculatorBase {
     // to have a non-empty packet. In case this requirement is not met, there's
     // nothing to be processed at the current timestamp.
     if (cc->Inputs().Tag(kImageSizeTag).IsEmpty() ||
-        cc->Inputs().Tag(kMultiFaceLandmarksTag).IsEmpty()) {
+        (cc->Inputs().Tag(kMultiFaceLandmarksTag).IsEmpty() &&
+         cc->Inputs().Tag(kFaceLandmarksTag).IsEmpty())) {
       return absl::OkStatus();
     }
 
     const auto& image_size =
         cc->Inputs().Tag(kImageSizeTag).Get<std::pair<int, int>>();
-    const auto& multi_face_landmarks =
-        cc->Inputs()
-            .Tag(kMultiFaceLandmarksTag)
-            .Get<std::vector<mediapipe::NormalizedLandmarkList>>();
 
-    auto multi_face_geometry = absl::make_unique<std::vector<FaceGeometry>>();
+    if (cc->Inputs().HasTag(kMultiFaceLandmarksTag)) {
+      const auto& multi_face_landmarks =
+          cc->Inputs()
+              .Tag(kMultiFaceLandmarksTag)
+              .Get<std::vector<mediapipe::NormalizedLandmarkList>>();
 
-    ASSIGN_OR_RETURN(
-        *multi_face_geometry,
-        geometry_pipeline_->EstimateFaceGeometry(
-            multi_face_landmarks,  //
-            /*frame_width*/ image_size.first,
-            /*frame_height*/ image_size.second),
-        _ << "Failed to estimate face geometry for multiple faces!");
+      auto multi_face_geometry = absl::make_unique<std::vector<FaceGeometry>>();
 
-    cc->Outputs()
-        .Tag(kMultiFaceGeometryTag)
-        .AddPacket(mediapipe::Adopt<std::vector<FaceGeometry>>(
-                       multi_face_geometry.release())
-                       .At(cc->InputTimestamp()));
+      ASSIGN_OR_RETURN(
+          *multi_face_geometry,
+          geometry_pipeline_->EstimateFaceGeometry(
+              multi_face_landmarks,  //
+              /*frame_width*/ image_size.first,
+              /*frame_height*/ image_size.second),
+          _ << "Failed to estimate face geometry for multiple faces!");
+
+      cc->Outputs()
+          .Tag(kMultiFaceGeometryTag)
+          .AddPacket(mediapipe::Adopt<std::vector<FaceGeometry>>(
+                         multi_face_geometry.release())
+                         .At(cc->InputTimestamp()));
+    } else {
+      const auto& face_landmarks =
+          cc->Inputs()
+              .Tag(kMultiFaceLandmarksTag)
+              .Get<mediapipe::NormalizedLandmarkList>();
+
+      ASSIGN_OR_RETURN(
+          std::vector<FaceGeometry> multi_face_geometry,
+          geometry_pipeline_->EstimateFaceGeometry(
+              {face_landmarks},  //
+              /*frame_width*/ image_size.first,
+              /*frame_height*/ image_size.second),
+          _ << "Failed to estimate face geometry for multiple faces!");
+
+      cc->Outputs()
+          .Tag(kFaceGeometryTag)
+          .AddPacket(mediapipe::MakePacket<FaceGeometry>(multi_face_geometry[0])
+                         .At(cc->InputTimestamp()));
+    }
 
     return absl::OkStatus();
   }