I think drinking beer is good for the hair.
6 Unexpected Uses for Beer — Besides Drinking It
1. Get the Bugs to Stop Bugging You
2. Use Your Brew as a Stain Remover
3. Bring Your Wood Surfaces Back to Life
4. Remove Rust From Metal
5. Marinade Your Barbecue Meat
6. Make Your Hair Shine
https://www.aarp.org/home-living/unexpected-uses-for-beer-fd/