How do I trace my inks (REACH register)?
Log every ink use by appointment and by batch from Inventory > Ink register, with expiry alerts and export for your REACH traceability.
Updated on July 3, 2026
You trace every ink use from Inventory > Ink register: a table listing, for each appointment, the date, client, artist, product, and batch used, along with the quantity drawn. This is the register that satisfies the REACH traceability requirement (EU chemical regulation) for tattoo inks.
Why this register exists
Tattoo inks are covered by the EU REACH regulation, which requires batch-level traceability so a recall can target a specific batch if a problem arises. Sweb structures this traceability automatically: as soon as an ink is categorized as such in your inventory, using a batch without traceability is blocked. This article stays factual about what the tool tracks; for the exact interpretation of your REACH obligations, refer to the official texts or specialized advice.
Logging an ink use
From the register, the add button opens a panel where you choose the client, the relevant appointment, the ink, and the specific batch. The quantity you can enter is capped at what's actually left on the batch. Once validated, the entry automatically decrements the batch's remaining stock, you have nothing else to do elsewhere.
You can also log these consumables directly from an appointment's panel, via the dedicated section, without going back through the inventory tab.
Expiry alerts
The register's second tab lists your batches by status, ok, expiring soon, critical, or expired, so you can spot at a glance which inks need using up or removing. A batch marked expired or put in quarantine can no longer be selected for new use.
What's blocked by design
- An expired or quarantined batch cannot be used on a new appointment.
- The quantity entered can never exceed what's left on the batch.
- Every entry stays attached to the product, the batch, and the client, which lets you trace a batch recall if needed.
Edge cases
You're an artist in a studio with several colleagues. If your account is scoped to your own appointments, you'll only see your own ink uses in the register.
You need to share the history for an inspection. The register's export button downloads the full usage history.
You use ink outside a scheduled appointment. The add-use panel offers an option for this case, the use still stays attached to a client.
Learn more
Tracking batches and quantities is part of your broader stock management, covered in the article on tracking your consumables stock.
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