Inventory management for Shopify wig and hair extension brands

The inventory problems wig and hair extension brands run into

• Variant explosion. a single wig style can come in 6 colors, 4 lengths, and 2 densities, so one "product" becomes dozens of SKUs to track and reorder separately.
• Color and length skew. some shades (natural black, dark brown) and mid lengths (14-18 inch) sell far more than fashion colors or extreme lengths, so stock needs to match that skew instead of being spread evenly.
• Hair type and origin variability. raw, virgin, and Remy hair batches can differ slightly between shipments, so customers get particular about reordering "the same batch," which complicates simple reorder-by-SKU logic.
• Long overseas lead times. most hair is sourced from overseas processors, and shipments often take several weeks, so running low without warning means weeks of lost sales, not days.
• Counterfeit and quality-tier suppliers. brands often juggle a primary supplier and a backup for the same grade of hair, and quantities need to be split or shifted if one source is delayed.

Seasonality and demand

Demand usually builds before major style-change seasons: back to school, holiday party season (November to December), and spring/summer when people switch to lighter styles or shorter lengths. Install-heavy occasions like prom, weddings, and graduation season also create short, sharp spikes in specific lengths and textures. Because lead times from overseas suppliers are long, you need to place orders for peak-season colors and lengths well before the rush starts, not when sales begin climbing. Track which lengths and colors sell out first in past peaks and build your order-by dates around that lead time, not the calendar date of the event.

Suppliers, lead times and minimums

Most wig and extension brands buy from overseas hair processors or wholesalers, often based in Asia, with a smaller number sourcing from domestic distributors for faster turns. Overseas suppliers often take several weeks to produce and ship, especially for custom colors, densities, or lace sizes, while domestic wholesalers can turn around faster but at higher cost. MOQs vary widely: some suppliers sell by the piece, others require a minimum per color or length, and case packs are common for bulk bundles like machine-weft extensions sold in fixed weight units (e.g. 100g bundles).

Worked example

Say your store sells a 16-inch natural black lace front wig at an average of 2 units a day. Your overseas supplier takes about 30 days to ship, and you keep 7 days of safety stock, so your reorder point is 2 x (30 + 7) = 74 units. You currently have 40 on hand and 20 already on order, and you want 45 days of total cover. Order quantity = 2 x (30 + 45) - (40 + 20) = 150 - 60 = 90 units, which you would round up to the supplier's case pack of 10, so you'd order 90 units exactly.

Try it with your own numbers in the reorder point calculator, or size your buffer with the safety stock calculator.

A simple system to start this week

1. List every wig and extension SKU by style, color, length, and density, not just by style name.
2. Get a real lead time estimate from each supplier, including customs clearance time if importing.
3. Set safety days higher for your best-selling colors and lengths, since running out there costs the most sales.
4. Confirm each supplier's MOQ and case pack size (by piece, by color, or by weight) before setting order quantities.
5. Mark your known seasonal peaks (holidays, prom, wedding season) and work backward from lead time to find your order-by date.
6. Review your weekly reorder email and compare suggested quantities against any new color or length trends you're seeing in sales.

How SteadyShelf fits wig and hair extension brands

SteadyShelf tracks forecasts and reorder points per variant, so each color, length, and density combination gets its own order-by date and suggested quantity rounded to your supplier's case pack or minimum. It will email draft purchase orders to your hair suppliers and receive stock into Shopify as it arrives, including partial shipments, which is common with overseas orders. It does not track batch or lot differences between hair shipments, so if customers care about matching a specific batch, you'll need to manage that separately with notes or tags outside the app.

$29/month flat, unlimited products and suppliers, 30-day free trial.

SteadyShelf is launching on the Shopify App Store. Join early access to get the install link first.

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