Send email to admin if the user updated his profile

/**
@ Send email to admin if the user updated his profile - Method-1
**/

add_action( 'personal_options_update', 'notify_admin_on_update' );
add_action( 'edit_user_profile_update','notify_admin_on_update' );

function notify_admin_on_update(){
    global $current_user;
    get_currentuserinfo();

    if (!current_user_can( 'administrator' )){// avoid sending emails when admin is updating user profiles
        $to = get_option( 'admin_email' );
        $subject = 'The User Profile Updated';
        $message = "The user : (" .$current_user->display_name . ") has updated his profile with:\n";
        foreach($_POST as $key => $value){
            $message .= $key . ": ". $value ."\n";
        }
        wp_mail( $to, $subject, $message);
    }
}