diff --git a/README.md b/README.md
index 9b2412a..98d45e0 100644
--- a/README.md
+++ b/README.md
@@ -24,6 +24,7 @@ This React Native bridge supports React Native app builds with version `0.61.5`
     - [Screenshot](#screenshot)
     - [Submit the results of the form](#submit-the-results-of-the-form)
     - [Feedback submission callback](#feedback-submission-callback)
+  - [Masking Private Identifiable Information](#masking-private-identifiable-information)
   - [Custom Variables](#custom-variables)
   - [Localization](#localization)
   - [Installation steps for React Native without Auto-Linking](#installation-steps-for-react-native-without-auto-linking)
@@ -345,6 +346,40 @@ If you close a feedback form with `onBackPressed()`, then the **response** will
 **sent**: false
 **abandonedpageindex**: -1
 
+## Masking Private Identifiable Information
+
+The SDK has an option to mask (on the back-end side) the data from input texts, specifically `Text Input` and `Text Area`. Please note that the an email input field is not being masked.
+
+It matches a list of RegEx and replaces them by the "X" character by default.
+
+The SDK has a `setDataMasking` method that can be used as:
+```
+usabilla.setDataMasking();
+usabilla.setDataMasking([String]);
+usabilla.setDataMasking([String], String);
+```
+**1st parameter - [String] `masks`** is a list of RegExes to mask data in input fields. It uses the default RegExes that the SDK provides.
+**2nd parameter - String `maskCharacter`**  is a character to replace the matched RegExes. By default it uses 'X'.
+
+**NOTE**: **To clear / remove data masking** use `usabilla.setDataMasking(masks: [])` empty array `masks` removes the data masking feature.
+
+The default RegExes that the SDK provides are: Email Addresses & Numbers
+
+For email it uses:
+```
+[a-zA-Z0-9\+\.\_\%\-\+]{1,256}\@[a-zA-Z0-9][a-zA-Z0-9\-]{0,64}(\.[a-zA-Z0-9][a-zA-Z0-9\-]{0,25})+
+```
+For Numbers with the length 4 or more
+```
+[0-9]{4,}
+```
+The default RegEx can be accessed by:
+
+```
+usabilla.getDefaultDataMasks();
+```
+
+
 ## Custom Variables
 
 In order to set custom variables in the Usabilla native library it's necessary to call the method:
diff --git a/android/src/main/java/com/usabilla/reactnative/ubform/UsabillaBridge.java b/android/src/main/java/com/usabilla/reactnative/ubform/UsabillaBridge.java
index bfbf371..c474610 100644
--- a/android/src/main/java/com/usabilla/reactnative/ubform/UsabillaBridge.java
+++ b/android/src/main/java/com/usabilla/reactnative/ubform/UsabillaBridge.java
@@ -38,10 +38,10 @@
 public class UsabillaBridge extends ReactContextBaseJavaModule implements UsabillaFormCallback, LifecycleEventListener {
 
     public static final String FRAGMENT_TAG = "passive form";
-    
+
     private static final String LOG_TAG = "Usabilla React Bridge";
     private static final String DEFAULT_DATA_MASKS = "DEFAULT_DATA_MASKS";
-    
+    private static final String DEFAULT_MASK_CHARACTER = "X";
     private static final String KEY_RATING = "rating";
     private static final String KEY_ABANDONED_PAGE_INDEX = "abandonedPageIndex";
     private static final String KEY_SENT = "sent";
@@ -129,7 +129,7 @@ public String getName() {
     @ReactMethod
     public void initialize(@NonNull String appId) {
         final Activity activity = getCurrentActivity();
-        if (activity != null) {  
+        if (activity != null) {
             usabilla.initialize(activity.getBaseContext(), appId);
             usabilla.updateFragmentManager(((FragmentActivity) activity).getSupportFragmentManager());
             return;
@@ -258,12 +258,18 @@ public boolean dismiss() {
      * Called via the index.js to mask sensitive information from the feedback before sending it
      */
     @ReactMethod
-    public void setDataMasking(@NonNull final ReadableArray masks, @NonNull final String character) {
-        List<String> listMasks = new ArrayList<>();
-        for (int i = 0; i < masks.size(); i++) {
-            listMasks.add(masks.getString(i));
+    public void setDataMasking(final @Nullable ReadableArray masks, final @Nullable String character) {
+        List<String> listMasks = null;
+        if (masks == null) {
+            listMasks = UbConstants.getDefaultDataMasks();
+        } else {
+            listMasks = new ArrayList<>(masks.size());
+            for (int i = 0; i < masks.size(); i++) {
+                listMasks.add(masks.getString(i));
+            }
         }
-        usabilla.setDataMasking(listMasks, character.charAt(0));
+        String maskChar = (character != null) ? character : DEFAULT_MASK_CHARACTER;
+        usabilla.setDataMasking(listMasks, maskChar.charAt(0));
     }
 
     @Override
diff --git a/ios/ReactNativeUsabilla/ReactNativeUsabilla.m b/ios/ReactNativeUsabilla/ReactNativeUsabilla.m
index 33e93c9..4cf3984 100644
--- a/ios/ReactNativeUsabilla/ReactNativeUsabilla.m
+++ b/ios/ReactNativeUsabilla/ReactNativeUsabilla.m
@@ -22,7 +22,7 @@ + (BOOL)requiresMainQueueSetup
 RCT_EXTERN_METHOD(setDebugEnabled:(BOOL * _Nonnull)debugEnabled)
 RCT_EXTERN_METHOD(loadLocalizedStringFile:(NSString * _Nullable)localizedStringFile)
 RCT_EXTERN_METHOD(loadFeedbackForm:(NSString * _Nullable)formID)
-RCT_EXTERN_METHOD(setDataMasking:(NSArray<NSString *>*)masks : (NSString *)maskChar)
+RCT_EXTERN_METHOD(setDataMasking:(NSArray<NSString *>* _Nullable)masks : (NSString * _Nullable)maskChar)
 RCT_EXTERN_METHOD(setCustomVariables:(NSDictionary * _Nonnull)variables)
 RCT_EXTERN_METHOD(loadFeedbackFormWithCurrentViewScreenshot:(NSString * _Nonnull)formID)
 RCT_EXTERN_METHOD(preloadFeedbackForms:(NSArray<NSString *>*)formIDs)
diff --git a/ios/ReactNativeUsabilla/UsabillaBridge.swift b/ios/ReactNativeUsabilla/UsabillaBridge.swift
index d12a162..3fd5097 100644
--- a/ios/ReactNativeUsabilla/UsabillaBridge.swift
+++ b/ios/ReactNativeUsabilla/UsabillaBridge.swift
@@ -112,11 +112,10 @@ class UsabillaBridge: RCTEventEmitter {
     }
     
     @objc(setDataMasking::)
-    func setDataMasking(_ masks: [String], _ maskChar: String) {
-        guard let maskCharacter = maskChar.first else {   Usabilla.setDataMasking(masks: Usabilla.defaultDataMasks, maskCharacter: "X")
-            return
-        }
-        Usabilla.setDataMasking(masks: masks, maskCharacter: maskCharacter)
+    func setDataMasking(_ masks: [String]?, _ maskChar: String?) {
+        let mask = masks ?? Usabilla.defaultDataMasks
+        let maskCharacter = maskChar?.first ?? "X"
+        Usabilla.setDataMasking(masks: mask, maskCharacter: maskCharacter)
     }
 }
 
diff --git a/src/index.d.ts b/src/index.d.ts
index e6d30c5..376e29f 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -19,7 +19,7 @@ declare module 'usabilla-react-native' {
     setFormDidFailLoading: (callback: (...args: any[]) => any) => void;
     setCampaignDidClose: (callback: (...args: any[]) => any) => void;
     dismiss: () => void;
-    setDataMasking: (masks: string[], character: string) => void;
+    setDataMasking: (masks?: string[], character?: string) => void;
     getDefaultDataMasks: () => string[];
   };