Pp405 is discussed as a potential hairloss treatment, with humorous suggestions about rectal administration for increased effectiveness. Users joke about unconventional methods and express willingness to try anything for hair regrowth.
Akkermansia bacteria can improve hair growth inhibited by testosterone, and metformin may increase Akkermansia, which could help with hairloss related to aging, insulin resistance, and inflammation.
How people's hair is compared to their fathers' at the same age, with some users noting that they have inherited different genes from either parent and are using treatments such as finasteride for hairloss.
Feeding bacteria-free mice with Lactobacillus murinus worsened hairloss, but a regular diet with biotin stopped it. The conversation suggests gut bacteria and diet may influence hairloss, with some skepticism and discussion about other factors like DHT and genetics.