Based on the tweet "Avoid facial cleansers containing harsh chemicals which irritate and weaken the protective barrier of skin. Use natural cleansers.", categorize the level of sadness felt by the author. Select from the following: 0: no sadness can be inferred, 1: low amount of sadness can be inferred, 2: moderate amount of sadness can be inferred, 3: high amount of sadness can be inferred.