diff --git a/packages/peregrine/lib/talons/Checkout/useAddressForm.js b/packages/peregrine/lib/talons/Checkout/useAddressForm.js
index 775f463a3d..eec3e1725f 100644
--- a/packages/peregrine/lib/talons/Checkout/useAddressForm.js
+++ b/packages/peregrine/lib/talons/Checkout/useAddressForm.js
@@ -33,9 +33,12 @@ export const useAddressForm = props => {
 
     const [{ isSignedIn }] = useUserContext();
 
-    const [setGuestEmail] = useMutation(setGuestEmailMutation);
+    const [setGuestEmail] = useMutation(setGuestEmailMutation, {
+        fetchPolicy: 'no-cache'
+    });
     const [setShippingAddressOnCart] = useMutation(
-        setShippingAddressOnCartMutation
+        setShippingAddressOnCartMutation,
+        { fetchPolicy: 'no-cache' }
     );
     const values = useMemo(
         () =>
diff --git a/packages/peregrine/lib/talons/CreateAccount/useCreateAccount.js b/packages/peregrine/lib/talons/CreateAccount/useCreateAccount.js
index fc1d0a34d8..f5d5863971 100644
--- a/packages/peregrine/lib/talons/CreateAccount/useCreateAccount.js
+++ b/packages/peregrine/lib/talons/CreateAccount/useCreateAccount.js
@@ -39,12 +39,18 @@ export const useCreateAccount = props => {
         { getUserDetails, setToken }
     ] = useUserContext();
 
+    const [fetchCartId] = useMutation(createCartMutation);
+
+    // For create account and sign in mutations, we don't want to cache any
+    // personally identifiable information (PII). So we set fetchPolicy to 'no-cache'.
     const [createAccount, { error: createAccountError }] = useMutation(
-        createAccountQuery
+        createAccountQuery,
+        { fetchPolicy: 'no-cache' }
     );
+    const [signIn, { error: signInError }] = useMutation(signInMutation, {
+        fetchPolicy: 'no-cache'
+    });
 
-    const [fetchCartId] = useMutation(createCartMutation);
-    const [signIn, { error: signInError }] = useMutation(signInMutation);
     const fetchUserDetails = useAwaitQuery(customerQuery);
     const fetchCartDetails = useAwaitQuery(getCartDetailsQuery);
 
diff --git a/packages/peregrine/lib/talons/SignIn/useSignIn.js b/packages/peregrine/lib/talons/SignIn/useSignIn.js
index d81f66e7fe..7ca942a29e 100644
--- a/packages/peregrine/lib/talons/SignIn/useSignIn.js
+++ b/packages/peregrine/lib/talons/SignIn/useSignIn.js
@@ -23,7 +23,9 @@ export const useSignIn = props => {
         { getUserDetails, setToken }
     ] = useUserContext();
 
-    const [signIn, { error: signInError }] = useMutation(signInMutation);
+    const [signIn, { error: signInError }] = useMutation(signInMutation, {
+        fetchPolicy: 'no-cache'
+    });
     const [fetchCartId] = useMutation(createCartMutation);
     const fetchUserDetails = useAwaitQuery(customerQuery);
     const fetchCartDetails = useAwaitQuery(getCartDetailsQuery);