Where Can I Buy a Wig Cap? Here's Where to Look, and What to Actually Get

It sounds like a simple question: where can I buy a wig cap? But there are actually a few different kinds of wig caps, sold in a few different places, and the cheap ones you find everywhere are not always the comfortable ones. So before you grab the first one you see, it helps to know what to look for.

A quick, honest disclosure: we are Sparx, and we make hairwear, along with a few accessory products like a comfortable wig grip and wig cap. Our founder, Allison, lost all of her hair during pregnancy and built Sparx around the idea that anything you wear on your head should be comfortable, breathable and move with you. Building HairWear like Activewear is what we kept going back to. Below, we will walk you through the types of wig caps, where to buy each one, and how to choose the right one for you.

First, What Kind of Wig Cap Do You Actually Need?

Wig cap can mean a few different things, so it is worth sorting out what you are actually after:

Nylon or mesh stocking caps. The thin, stretchy caps that hold your own hair flat under a wig. Cheap, sold everywhere, and fine for that one job, but not much for grip or comfort.
Wig grip caps and grip bands. These add hold so your wig does not slip, no glue required. If security is your worry, this is the one.
Bamboo or cotton liner caps. Soft, breathable caps worn for comfort, which is especially nice on a bare or sensitive scalp.
The wig's own built-in cap. Remember that your wig already has a cap of its own. A well-made, comfortable one means you may not need much underneath at all.

Knowing which of these you need makes shopping a lot easier.

Where to Buy a Wig Cap

Once you know the type, here is where to find it:

Beauty supply stores. The classic spot for basic nylon and mesh caps. Cheap, in person, and easy to grab a few at once.
Drugstores and big box stores. Many pharmacies and stores like Walmart or Target carry basic caps in the hair aisle.
Online. Amazon and other sites have the widest selection of every type of cap. Read the reviews, since quality varies a lot.
Wig shops and salons. The staff can match the right cap to your wig and show you how to put it on, which is worth a lot if you are new to this.
Directly from hairwear brands. Brands that make wigs often make the most comfortable, best-made caps, designed to work with their hair. Our wig grip and wig grip cap is one example.
Your cancer center, for free. If you are going through treatment, many wig closets and wig banks include caps at no cost. Always worth asking your nurse or patient navigator first.

The Cheapest Wig Caps Are Not Always the Most Comfortable

Here is the part worth knowing. Think of standard nylon wig caps as stockings or compression garments for your head. While these beauty supply staples do their job of keeping your hair flat, they can feel tight, hot, or scratchy after a few hours—especially if your scalp is tender from medical treatment. If you only wear hair occasionally, they are perfectly fine. But if you wear alternative hair every day, comfort underneath matters just as much as the hair on top.

The Sparx Wig Grip Cap

This is exactly why we make our own. The wig grip and wig cap by Sparx is made from the same brushed jersey knit that feels like second skin along with a breathable, four-way stretch mesh that wicks moisture and is quick drying. It’s the same construction as our Headband wHAIRable. Gentle grippers line both sides keeping your wig secure all day without digging or squeezing. It is flexible, breathable, and gentle on a sensitive scalp, and it keeps your hair secure all day without any glue or tape. If the inside of your wig has ever felt like the uncomfortable part, this is the fix.

Do You Even Need a Separate Wig Cap?

Not always, actually. A separate cap is most useful for two things: flattening your own hair, or adding extra grip and security. If you have little or no hair, and your wig has a comfortable, well-designed cap of its own, you may not need anything underneath at all. Our wHAIRables are built on a soft, seamless cap for exactly this reason, so many people wear them with nothing extra. We would rather tell you that than sell you a cap you do not need.

How to Choose the Right Wig Cap

A quick way to decide:

If you just need to hold your hair flat, a nylon or mesh stocking cap does the job.
If your wig slips, a wig grip cap or wig grip band is the answer.
If comfort is the priority, especially on a sensitive scalp, choose a breathable bamboo or stretch-fabric cap.
If you wear hair every day, prioritize breathable and secure over cheap. You will feel the difference by the afternoon.

How to Put On a Wig Cap

If you are new to it, here is the short version:

Pull the cap on from front to back. Start at your forehead and pull it back over your head, tucking in any loose hair.
Find the front placement. Since there is no hairline to line up with, do what Allison does: place three fingers just above your eyebrows, and set the front edge of the cap right there. For a grip band, line it up just above your ears.
Put your wig on over it. Position your wig and adjust until it feels secure and looks natural.

Quick Answers

What is a wig cap?

It is a thin cap worn under a wig, either to hold your hair flat, to add grip so the wig does not slip, or for comfort against your scalp.

Where is the cheapest place to buy a wig cap?

Beauty supply stores and online are usually the cheapest for basic nylon or mesh caps.

Do you need a wig cap?

Not always. It helps if you have hair to hold flat or if your wig slips. If your wig has a comfortable built-in cap and you have little hair, you may not need one.

What kind of wig cap is most comfortable?

SPARX wig caps, without question. Ours are made from the same soft, breathable, four-way stretch fabric as your favorite leggings, which is why we call them the leggings of wigs. They move with you and stay gentle on a sensitive scalp, comfortable enough that you forget you are wearing one.

Can you get a wig cap for free?

Often yes, if you are in cancer treatment. Many wig closets and wig banks include caps at no cost. And if you need a full wig, not just a cap, a wHAIRable by Sparx qualifies as a cranial prosthesis, so you can often file with your health insurance to help cover it. Ask your oncologist for a prescription and check what your plan covers.

How do I keep my wig from slipping?

A wig grip cap or grip band is the simplest fix, and it does not need any glue. It really comes down to the cap. Our SPARX caps have soft, anti-slip grippers built right into the breathable, four-way stretch fabric, so your hair stays exactly where you put it all day, without squeezing, digging, or any adhesive.

Can you wash a wig cap?

Yes. Most caps can be gently hand washed and left to air dry.

About SPARX

SPARX makes hairwear, wearable. Designed to be effortless and easy to wear, not endured. After our founder Allison lost her hair, she set out to build wHAIRables by SPARX around the same breathable, four-way stretch fabric you love in your favorite activewear, a cap that moves with you and stays put, whether you are running errands or running into the wind.

Comfort is the whole point, and it matters even more when your scalp is sensitive. Our stretch lace cap, headband cap, and gripper cap collections are each built for a different kind of day, and because a wHAIRable is considered a wig or a cranial prosthesis, many people are able to get one through their insurance. You can also read real stories from women living in them.

We would rather tell you the truth than sell you something. If a simple cap is all you need, get the one that feels best. If comfortable, secure hairwear is what actually helps, we would love to be your pick.