Skip to main content
The Apothecary Os

Free formulation tool

The Formulation Calculator

Pick a product, choose your water phase, set your batch size. Get exact gram measurements, kitchen equivalents, and the full phase-by-phase recipe — no guesswork.

Step 1 — Choose your product

1Choose Your Product

Step 2 — Water phase

2What Are You Adding to Your Formula?

No water ingredients — anhydrous formula. No preservative needed. Shelf stable 12–24 months.

Step 3 — Batch size

3How Many Ounces Do You Want to Make?
oz= 226.8g total
Quick pick:
👆

Choose what you're making, select your water ingredient (or none), and enter your batch size. Your full ingredient list appears instantly.