If you are new to hair extensions, you may be a little unsure as to what length to go for, and with so many lengths and options to choose from, it can be a very difficult decision.

Before jumping in and selecting a length at random or based on price, it is first worth considering a few points to be sure you are making the right choice.

Where Will The Hair Extensions Fall On My Body?

When thinking about the length of your hair extensions, often you think about this in terms of where the hair will sit against your body e.g ‘I want the hair to come down to my bra line’.  This is a great way to think about the length of the hair, as with different body shapes and sizes how long the hair extensions will need to be to reach your braline will vary from person to person, so it isn’t a one size fits all process.  18 inch hair extensions may look longer on your friend than they do on yourself even though they are the same length.

Styling Your Hair Extensions Will Affect How Long They Look

Another factor to consider is the way you plan to have the hair styled after fitting.  Once fitted you may only wish to have a small amount trimmed from the bottom to tidy up and finish off your look, however if you are considering removing slightly more, or opting for a layered and tapered look, going for a slightly longer length than your finished look may be a better option.  For example, if you are looking for long and thick extensions with a little styling e.g. layering etc, you may benefit from purchasing 20” hair extensions with it in mind to trim them to 18” to achieve your finished look.JTVCbWM0d3BfZm9ybSUyMGlkJTNEJTIyMTE3MTI3JTIyJTVE

Hair Extension Length vs Cost

If you are in between 2 lengths, it is usually recommended that you purchase the longer of the two.  If you are between 16” and 18” for example, a full head of 16” hair extensions will cost approx. £250.00 to purchase, and 18” will be £270.00, a £20.00 difference.  If you are undecided and opt for the longer length, although costing slightly more, you can always have them cut and trimmed if the length is a little longer than you expected, and it would have cost you an additional £16.00.  If you opt for the 16” and find they are too short however, you would have spent £250.00 on hair extensions you aren’t quite happy with.  Purchasing the longer length protects you again disappointment in the event you are unsure of the finished look.

Curling Hair Extensions Will Make Them Appear Shorter

When your hair extensions arrive and are first fitted, they will be beautiful and straight, however if you prefer to wear your hair with a curl or a wave, this will reduce the appearance of the length as the extensions bounce up to accommodate the wave.  If you plan on wearing your hair like this regularly, and like the look of 20” hair extensions, you may wish to consider opting for 22” to ensure that when you apply the curl your hair extensions still have the appearance of 20” length.

Trimming Your Hair Extensions Regularly

Finally, when choosing a length you will want to consider any future trimming or styling you have in mind.  If you like to mix up your hair style regularly, you may wish to opt for a longer length so that once the extensions are fitted, as the months pass you have the ability to cut and trim your hair into different styles, getting shorter as you go but still having lengthy hair extensions.  The longer your hair extensions are, the more styling opportunities you will find.

Now you have a better understanding of what you will need to take into consideration when choosing your hair extension length, you should be able to choose a length that is suited to your needs to ensure your hair extensions look exactly as you planned them to, avoiding any unnecessary disappointments.


Hello, my name is Amy, and I am the founder and owner of SimplyHair and award-winning aftercare product brand, HairExtensionBFF. I have over ten years of experience in the hair extension industry, having first undergone my training as a hair extensions technician in 2010.

I started my career working as a mobile hair extensionist, fitting predominantly micro ring hair extensions, I traveled all over the county, transforming women's hair and lifting their confidence. After sourcing my own hair to use on my clients, and seeing how much they loved it and how high quality it was, I decided to become a supplier to other hair extensionists and salons nationwide, which quickly developed worldwide. I have also won the award for designing the Best Detangler at the 2019 Hair Awards and made finalist for Star Product for my Pre-Shampoo treatment.

SimplyHair's hair extensions are located in many salons throughout the UK and US, and are worn on national TV shows such as ITV’s Dancing On Ice. We are proud to supply many celebrities and well-known figures including Stacey Dooley, Dannii Dyer, Maura Higgins, Pixie Lott, Denise Van Outen, and many more. We are fortunate enough to see our products worn by Saffron Barker for her photoshoots with Primark and Superdrug, as well as all of the stars of the Strictly Come Dancing Tour 2020.

Having an equal passion for both the hair extension industry and the small business community, I ensure that SimplyHair not only focuses on a quality product but also on valuable advice and guidance on growing a business. We want to see our community grow and thrive, and enjoy being a part of that with them.

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