FaceApp also has a hair filter. You can change the color, make it curly, longer, etc.
In fact, it's popular in the transgender community. People can experiment with their new gender identity with a few clicks. You can transform a bald masculine figure into a soft model with long hair that retains some of your bone structure (and vice versa). Here is a tweet of one such transformation done on an actor using a stack of FaceApp filters: https://twitter.com/KaiqueBanks/status/1276185681660968961
In fact, it's popular in the transgender community. People can experiment with their new gender identity with a few clicks. You can transform a bald masculine figure into a soft model with long hair that retains some of your bone structure (and vice versa). Here is a tweet of one such transformation done on an actor using a stack of FaceApp filters: https://twitter.com/KaiqueBanks/status/1276185681660968961
Here's the ad for the hairs feature: https://www.facebook.com/watch/?v=600497397462983 (Apologies for linking to Facebook, it seems that they only advertise features there.)