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Home » Hair Products

Does Hair Gel Expire? What Happens if You Use Expired Gel?

Kenneth ByrdBy Kenneth ByrdMBA · 15+ years in hair care · Co-founder of Curl CentricUpdated Oct 14, 20269 min read · Reviewed by Kira Byrd

Evidence-basedPublishing since 2008May contain affiliate links
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It's fair to say that hair gel is far and away one of the most commonly used hair products within the beauty industry. No matter your sense of style or the type of gel you prefer, several occasions can call for hair gel usage.

That's what makes the prospect of using expired hair products all the more worrying. So how can you know that the jar of hair gel you have sitting in your cabinet or on your countertop is safe to use? Does hair gel expire?

This article will discuss how long hair gel lasts before expiring and how to determine if it's safe to use.

Does Hair Gel Expire?

Yes, hair gel expires. An unopened jar or tube lasts up to about three years, though some gels have a shorter shelf life depending on their ingredients. Once you open it, plan to use it up within about 12 months, or within the number of months shown on its open-jar symbol.

As a general rule, unopened products last longer than opened hair products. Once your gel has reached its expiration date, we recommend throwing the product away.

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Understanding the Shelf Life of Hair Gel

Unfortunately, one of the most important yet trickiest things to figure out from a hair care perspective can be when your hair products are approaching their expiry date (or best used by date).

Many hair products don't carry a "best used by date" like food products.

The FDA doesn’t require expiration dates on cosmetics like hair gel, which is why you often won’t see one on the back of many hair products.

There is a lot of variation in the expiration dates of hair products, so your best bet is to carefully examine the bottle or jar of the product for any clues of whether it's still safe to use.

See if the product's label mentions its longevity. You can also visit the manufacturer's website to see if there is guidance on the product's shelf life.

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That said, some products tell you how long they last with a number-M combo; for example, "6M" for products that are best used within six months after opening.

Hair products, like other perishables, also maintain longer shelf lives the longer you can go without opening them.

While the longevity of hair products varies wildly (which we'll see is true of hair gels as well), three years is a good rule of thumb for how long an unopened product lasts after you buy it.

Likewise, you shouldn't use products that have been stored unopened for more than three years. We’d treat it as expired and replace it.

However, "unopened" is the keyword to consider. If a product has been opened, plan to use it up within about 12 months, or sooner if its open-jar symbol says so.

That's because opening the product exposes oils, shampoos, conditioners, and gels to elements, which can cause them to spoil due to exposure to light, moisture, and the presence of bacterial growth.

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How to Know if Hair Gel Is Expired

There are many ways that you can tell if your hair gel has reached the end of its useful life, starting with simply checking the month indicated on the back of the bottle or jar, if it's present.

In addition to that, you'll want to be on the lookout for changes in the gel's consistency. Think about what gel usually feels like when the product comes out of the bottle and when you squirt or scoop some up into your hand.

If you use a certain hair gel brand regularly, you probably know what it usually feels like. So if it starts to feel off, chances are there is indeed something off about it, and you shouldn't go rubbing it into your hair.

While consistency is a marker of a hair product's quality, it can be particularly tricky to suss out with hair gel.

In something such as shampoo, stickiness can be a sign that something’s wrong. However, hair gel can obviously feel a bit sticky as the product comes out of the bottle.

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Even so, you should be on the lookout for a hair gel that suddenly feels stickier than usual. In addition, you'll want to be careful about hair gel that feels more watery than normal.

A good hair gel, as you probably know from experience, strikes a delicate balance between coming out of the bottle smoothly and having a semi-thick texture as you rub it into your hair.

Hair gel is typically gelatinous and doesn't usually come out of the bottle like running water, so if yours does, it's likely a sign that something's wrong.

This, in turn, brings us to one of the clearest signs that there's something amiss with your hair gel: leaky or lumpen packaging.

Leakiness can sometimes result from a sudden change in the gel's texture toward something more watery than its natural state, or it could arise from damage done to the bottle.

Either way, if the package is leaking, lumpy, dented, or otherwise damaged, you should not rub the gel into your hair.

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The same goes for if the gel isn't working as well as it used to, with a lack of performance being another key sign shared by many expired hair products.

If your hair gel no longer holds your hair in place properly, it could be a sign that the chemicals that once allowed it to do so are starting to break down.

Also, you should never use hair care products that irritate your scalp. Not only can this be painful, but an irritated scalp is a sign that the product doesn’t agree with your skin.

If a hair gel that used to be fine is suddenly causing your scalp to become red or itchy, there's a fair chance that the product may be spoiled and should be junked immediately.

Finally, there's the equally obvious fact that you really shouldn't use any hair care products that smell bad, hair gel included.

Given how much emphasis companies put on creating hair care products that smell nice, it should be a pretty clear indicator that something's gone horribly wrong if your hair gel goes from sweet-smelling to odiferously rancid.

In this example, you should avoid any potential hair problems and throw this product away.

Where Is the Expiration Date on Hair Products?

Check the back and the bottom of the jar or tube. You may find a month and year, a small open-jar symbol with a number of months on it, or nothing at all, since no US law requires a date. A batch or lot code isn’t an expiration date; it only tells the maker which batch the product came from.

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How to Make Hair Gel Last Longer

First and foremost, you need to do whatever you can to combat the conditions that can cause spoilage in the first place, and chief among these is leaving your hair gel out in the open.

When you leave gel or any hair care product out in the open, it exposes it to the elements, which causes it to spoil more quickly. 

A more complexly considered version of this truism has to do with the fact that leaving the lid off, or dipping your fingers into a jar, exposes your hair products to bacteria. Jars are more likely to get contaminated than squeeze tubes or pumps, so wash your hands before you scoop.

Not only do you not want to go rubbing bacteria into your scalp, but these invaders can also often cause the chemical consistency and other elements of the hair products to degrade and thus become less effective than they once were.

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The same holds true for light and warmer conditions. The more you leave your hair gel out, the more it can be exposed to light that can interact with the chemicals in its gelatinous mixture, and heat can change its texture.

If your gel has started to become more liquified than usual, this may be one reason why. It would be best if you kept your hair gel in a cool, dark, dry place. A bedroom drawer works better than a bathroom cabinet, since steam from the shower adds the kind of moisture that helps bacteria grow.

Related Articles

  • Can Shampoo Expire?
  • Does Hair Dye Expire Once Opened?
  • Does Box Hair Bleach Expire?
  • Does Hairspray Expire?
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Can You Use Expired Styling Gel?

Using expired styling gel can have adverse effects on your hair. Over time, the ingredients in hair gel can break down, leading to a change in texture, consistency, and even smell. Additionally, using expired styling gel can cause scalp irritation or allergic reactions. If your gel has a date or an open-jar symbol, follow it. If not, replace it about a year after you open it.

How Do You Know if Hair Products Are Expired?

First, check for an expiration date printed on the packaging, if there is one, which indicates the date until which the product is considered safe to use. However, if the expiration date is not printed or is no longer visible, check for changes in texture, consistency, color, or smell. If you notice anything off, it's best to discontinue use.

How Long Does Gel Last on Hair?

The duration that gel lasts on your hair depends on the type of hair gel, the amount used, and your hair type. Most gels hold until you wash your hair again. If your scalp starts to itch or the gel starts to flake, it's time to wash it out.

Do Hair Styling Products Expire?

Like any other beauty product, hair styling products can expire. Using expired hair styling products can cause negative effects such as scalp irritation, allergic reactions, and changes in texture, consistency, or smell. Check for a date or an open-jar symbol on your hair styling products, if they have one, and stop using them if they appear to have changed in any way.

What Happens if You Use Expired Hair Gel?

Using expired hair gel can cause scalp irritation, allergic reactions, and changes in texture, consistency, or smell. Additionally, using expired hair gel can be less effective in styling your hair, as the ingredients may have broken down over time. Avoid using expired hair gel to avoid any negative consequences on your hair and scalp.

Hair gel is one of the hardest products to gauge when it comes to figuring out if it's beyond its expiration date.

On the one hand, as with many beauty products, hair gel can often lack a clear indication of when the product is expired. On the other hand, sometimes, the signs of hair gel degradation can be quite obvious.

You know what hair gel typically looks, feels, and smells like, so any deviation from the norm is a likely indication that your product may be expired.

In the end, while it can be hard to know whether your hair gel is expired, as long as you keep it in properly temperate conditions and make sure its consistency, scent, and other key factors remain consistent, your hair gel should be fine to use for up to about a year after you open it.

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Kenneth Byrd

About the author

Kenneth Byrd

Co-founder and Managing Partner

Publishing on textured hair since 2008MBA, University of Alabama at BirminghamExecutive education, WhartonTop 40 Under 40, Birmingham Business Journal

Kenneth does the research behind the guides here: reading the studies and checking whether a claim holds up before it gets published, under our editorial guidelines. Outside Curl Centric he leads an operations organization of more than 1,000 people, and he serves on the board of Oasis Counseling for Women and Children. Curl Centric's hair typing system is the first listed reference in a peer-reviewed paper in the International Journal of Women's Dermatology, and it is cited by Wikipedia.

More about KennethAbout Curl Centric

Kira Byrd

Hey, I’m Kira

Curl Centric is run by me and my husband Kenneth. We’ve been publishing evidence-based hair care since 2008 to help you care for your curls with confidence.

More about us →
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Why Your Hair Isn't Growing - free guide from Curl Centric

Free 50-page guide

Your hair is already growing. The problem is keeping it.

Hair grows about a third to half an inch a month, and the tightest curls grow slowest. If your length looks stuck, that's your hair breaking off about as fast as it grows in. We'll send you the seven causes of breakage and the weekly routine that stops them.

Free. One email a week after that. Unsubscribe anytime.

Written and reviewed by Kenneth and Kira Byrd Independently owned, publishing since 2008 950+ guides, fact-checked before publishing Editorial and advertising teams kept separate

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