Do fajas actually work, or do they just move everything around?

Every faja video looks like magic because the camera only shows you the part where it is already on. The honest version is that a faja is a compression garment. It redistributes and smooths what is already there for as long as you are wearing it, and that is the whole job.

So what does a faja actually do?

It compresses. The panels and the flexible boning hold your midsection in a smoother line, so fabric falls over you instead of catching on every soft spot. That is why the difference is most obvious under something drapey and least obvious under something tight and thin.

What it is not doing is changing your body. Nothing is being burned, melted, or trained away. The shape is there while the garment is on and it is gone when the garment comes off, the same way a good bra works.

Does it make you permanently smaller?

No, and I would be careful with anyone selling you that. The before and afters you see are the same body in two different garments, ten seconds apart. I say this as someone who wears one most weeks and likes it.

If you go in expecting a smoothing layer, you will be happy. If you go in expecting your waist to stay that way after you take it off, you will feel scammed, and fairly.

Then why does it look like it does so much in videos?

Because most of us are filming it with loose clothing over the top. Look at what the pants are doing here. They are wide and soft, so once the waist underneath is smooth, the whole outfit reads cleaner. The garment gets the credit that the styling is half responsible for.

How do I know if it actually fits?

It should feel firm and even, never sharp. A few things I check on myself:

It should not roll or fold over at the top. If it does, you sized down too far, not up. You should be able to take a full breath without planning it. And you should be able to sit down in it, because you will be sitting down in it.

I hook it on the loosest row for the first few wears and move in as it breaks in. Wearing it over a thin top instead of straight on skin is also much more comfortable than people admit.

How long can you wear one?

I wear mine for an event or a long day out, then it comes off. I do not sleep in it and I do not wear it to work out. If it hurts, if you feel pins and needles, or if you cannot breathe comfortably, take it off. That is not it working, that is it being too small.

Who this is not for

If you are looking for something to change your body over time, this is not it, and I would rather tell you that than sell you a story. If you are pregnant, recovering from any kind of surgery, or dealing with a medical condition, ask your doctor first instead of taking styling advice from me.

It is also not for you if you hate the feeling of anything tight. Compression is the entire product. There is no version of this that feels like nothing.

But if you want your clothes to fall better on a specific day, and you go in knowing exactly what you are buying, it does the thing it says it does.