Tan Girl
A curated line for the body you want and an app that keeps you present.
The protocols are peptide-based. The pace is yours.

Find your stack
Not sure where to start?
Six questions. We'll build a stack around your goals, your budget, and what you actually want to feel different.
Take the quiz →Read before you start.
Plain-language guides to every peptide in the line. What it does, who it's for, and what to expect — in the order you'd actually want to know it.
recovery
BPC-157
The foundation peptide.
A gut-derived healing peptide. Supports tissue repair, gut lining, joints.
Read the guide →
aesthetic
GHK-Cu
The skin and hair peptide.
A copper peptide that supports collagen, skin elasticity, and hair growth at the follicle.
Read the guide →
metabolic
Semaglutide
The original GLP-1.
A GLP-1 receptor agonist that regulates appetite and blood sugar.
Read the guide →
The companion
The app that holds the rhythm.
Every stack you buy on Tan Girl pre-loads into Sundial. Cycle-aware reminders, dose tracking, and a journal that asks the right questions. Built for how protocols actually unfold.
Meet Sundial →Currently iOS. Android, in time.

A small line, made with intention.
We don't manufacture, ship, or handle inventory. That's Peptides ATX, our partner. What we do is figure out what to actually run, why, and in what order — then hand it off. Sundial picks up where the package leaves off.
The full story →