When my hair started thinning on Zepbound, I did what I suspect many of us do: I bought things. Special shampoos, scalp serums, a jade comb, a red-light cap I saw on television. My bathroom counter looked like a small pharmacy, and most of it did very little except lighten my wallet.
A year of trial and error later, I have landed on a routine that is short, cheap, and gentle — and my scalp and I are both calmer for it. You are welcome to skip the expensive detours I took and start here.
The morning: thirty seconds, no products
Every morning, before I do anything else to my hair, I give my scalp a gentle massage with just my fingertips — small circles, front to back, about thirty seconds. Not nails, ever; pads of the fingers only. There is decent evidence that regular scalp massage supports circulation to the follicles, and whether or not it grows a single new hair, it feels wonderful and it costs nothing.
Wash days: fewer, cooler, gentler
I used to wash daily with water as hot as I could stand. Now it is every other day, lukewarm, with a mild sulfate-free shampoo — and I wash my scalp, not my lengths, letting the suds rinse through the ends on their way out. Conditioner goes on the ends only. Hot water and daily stripping were doing my thinning hair no favors, and the switch alone made it look fuller within a month simply because it stopped breaking.
After the shower: the ten-minute rule
Wet hair is fragile hair. I blot with a soft towel — no wringing, no turban twist — and let it air-dry at least ten minutes before a wide-tooth comb goes anywhere near it. When I do blow-dry, it is on the cool setting, and the hot rollers I loved for forty years have been retired to a box in the closet. I miss them. My hairline does not.
What I kept, and what went in the bin
Kept: the fingertip massage, a satin pillowcase (less friction overnight, and my hairdresser noticed the difference before I told her), a lightweight leave-in conditioner, and the habit of loose clips instead of tight elastics. Binned: the jade comb, three miracle serums, and the red-light cap, which may work for some people but at its price deserved better evidence than I could find for it.
The honest truth is that the routine did not regrow my hair — time, protein, and patience did the heavy lifting there, and I have written separately about the shedding itself and what helped. What the routine did was protect every hair I still had while the regrowth caught up. That turned out to be half the battle.
When to bring in a professional
A routine is for maintenance, not diagnosis. Patchy loss, a scalp that is red, scaly, or painful, or thinning that keeps accelerating deserves a dermatologist — many now offer scalp checks by video if travel is hard. And a good stylist is an ally: mine suggested a slightly shorter layered cut that made everything look fuller in one afternoon, which no serum ever managed.
This is my personal experience, shared in the hope it helps you feel less alone in yours. It is not medical advice. GLP-1 medications affect everyone differently, so please talk with a doctor you trust about what's right for you.

