We know that warm milk helps get a goodnight's sleep and is a powerful natural remedy to relieve cough and cold. What is unknown to many are the several health and beauty benefits of cold milk. Sipping cold milk can provide instant relief from acidity. Applying cold milk can also immensely improve the texture of your skin. Here are ways you can incorporate cold milk in your daily diet and beauty regime. For body: Relieves acidity Cold milk can provide instant relief from the burning sensation one suffers in acidity. Milk contains lactic acid that normalises acidity in the stomach.