A user recommends a biotin collagen shampoo for making hair appear thicker and feeling nice. Another user mentions using a similar product with argan oil from Walmart.
The user regrew their hairline using mechanical stimulation, including a 1.5mm derma roller weekly, daily scalp massages, and other treatments like Nizoral, zinc pyrithione, fish oil, and Lipogaine The Big 5. They did not use Minoxidil or finasteride.