There are a few things you can do to help decrease postpartum hair loss and promote hair regrowth. First, make sure you are eating a healthy diet rich in vitamins and nutrients, as this can support hair growth. Avoid hairstyles that pull on your hair, and use gentle hair care products. Consider taking a biotin supplement, as it has been shown to promote healthy hair growth. Lastly, try to manage your stress levels, as stress can contribute to hair loss. Remember, postpartum hair loss is a normal process and should improve over time.