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By Sarah Ingham - 23 Apr 2025

Hair Extensions To Thicken Up Hair And Add Volume

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Hair Extensions To Thicken Up Hair And Add Volume

A question you may be wondering is, “can hair extensions thicken hair and add volume?” Our answer? Yes, they can! Hair extensions for thickness are a perfect way to add volume to your natural hair. “Where do I start?” may be your next question. (Are we right?) If so, we gathered all the information you need to know…

Firstly, at Additional Lengths, all of our hair extensions are great for adding thickness to your hair, so make sure you have a nose around all of our products to see which one is best for you (and don’t forget to talk to your stylist about this). 

However, for thickness and volume specifically, we have three top hair extensions for thickness.

But before we get to them, here are some things to note about hair extensions to thicken up hair.

Hair Extensions For Thickness – How Do They Work?

Hair feeling a little flat? Hair extensions can be a total game-changer when it comes to adding thickness. They work by blending extra hair whether it’s clip-ins, tape-ins, wefts or bonds, into your natural strands to boost volume and body. It’s a quick, confidence-boosting fix that gives your hair that fuller, swish-worthy feel, without waiting months for growth. Whether you're after everyday oomph or a special occasion switch-up, there’s an option to suit your vibe and lifestyle.

Hair Extensions For Thickness – What Is The Cost?

The cost of hair extensions for thickness really depends on the type you choose and how much volume you're after. Our Clip Ins start from just £26, with Pre-Bonded packs from £25, packs of Tapes from £50, and Wefts from £70. The final price will vary based on the weight of hair extensions you need, what suits your hair type, and the range you go for. Everyone’s hair journey is unique, so the best way to know what works for you and what it’ll cost is to book a consultation with your stylist. They’ll help you figure out exactly what you need to get that dream volume.

But if you’re more of a do-it-yourself kinda gal, skip the salon and head straight to our range of Clip Ins, perfect for adding instant volume and length from the comfort of your own mirror. 

Hair Extensions For Thickness – How Long Do They Last?

How long your hair extensions last depends on the range you choose, whether it’s our own collection, Euro Premium, or one of Remi Cachet’s Luxury, Deluxe or Elegance ranges, each offers different levels of longevity. You can dive into the details in our journal post here. But just as important is how you care for them, aftercare is everything. We’re all about hair for the long game, so if you want your extensions to stay looking their best, check out our aftercare guide to keep that “mane” character going strong.

Top 3 Hair Extensions For Volume And Thickness:  

1. Weft Hair Extensions

2. Injection Tape Hair®

3. Micro Tape Hair

1. Weft Hair Extensions

At Additional Lengths, we have an extensive collection of high-quality Weft hair extensions. Ranging from our own brand, Euro Premium, to all of Remi Cachet's hair ranges, Wefts are the perfect option if you want a boost of volume to your hair.

If volume and thickness are what you are after, you need to specifically look at our collection Remi Cachet Super Wefts. These allow you to achieve 1.5x the volume of the Elegance Full Flat Wefts due to the density and weight of the hair. 

Along with the other Remi Cachet Wefts, the Super Wefts use a unique flat weft top that allows the weft to lay flat on your head, unlike other traditional wefts. Exclusive to Remi Cachet, the weft top combines lace, adhesive and stitching to avoid return hair and keeps it shed-free. “Return hair” refers to the short strands that loop back when longer hair is sewn into a weft. These shorter hairs can sometimes stick up or create bulk at the root. But with the Super Weft, there’s no need to worry, this clever design avoids all that, so you get a super sleek, smooth finish every time.

Super Weft Lengths & Weights:

16" Length: 150g

20” Length: 180g

 

 

@dc.hairextensions uses a Remi Cachet Elegance Super Weft in 20” in colour 9/613.

Something to note… If you have very fine hair, due to the increased density and weight, Super Wefts specifically may not be suitable for your hair. They are suitable if you have medium-thickness to very thick hair to manage the density and weight of the Super Weft. 

Always ask your stylist at your consultation if you are unsure.

20" Elegance Super Weft

Get Your Remi Cachet Elegance Super Weft Today

 

2. Remi Cachet Elegance Injection Tape® Hair 

From our collection of Tape hair extensions, Remi Cachet Injection Tape® is designed to be discreet within your natural hair. 

The injection process of this extension type imitates the root and hair growth on the coloured back which changes depending on the hair colour you choose. This process makes it great for fine and flat hair due to the seamless finish but is also a suitable option if you have thicker hair.

Injection Tape Lengths & Weights: 

14” Length: 2.2g Per Strand

18” Length: 2.2g Per Strand

22” Length: 3g Per Strand

 

@strut_hair uses Remi Cachet 18” Elegance Injection Tape® Hair in colour 55.

Remi Cachet 18” Elegance Injection Tape® Hair in colour 55

Discover Injection Tape  

 

3. Remi Cachet Elegance Micro Tape Hair

Calling those of you rocking a bob or a lob!

If you want a boost of thickness to your look, you certainly need Remi Cachet’s Elegance Micro Tape. From our collection of Tape Hair Extensions, Remi Cachet Micro Tape® is designed to add additional volume to a bob, lob, or those with shorter hair.

Plus, each 2cm wide piece allows for placement where other tape may be more visible.

10” Length: 1.2g Per Strand (24g total)

14” Length: 1.7g Per Strand (34g total) 

 

 @krystalizedhair uses Remi Cachet 14” Elegance Micro Tapes in colour 9/613. 

Elegance Micro Tape Hair

Find Out More 

 

Hopefully our informative guide has helped you and you will have thick hair in no time *hair flick moment*. 

As mentioned, always chat you your stylist for their advice, they can properly examine your hair in your consultation and determine what is best for you personally to get thicker hair.

Everyone is different, so please only treat this as a guide. 

Any questions about hair extensions to thicken hair and add volume? Just contact us! The team is always on hand to answer your queries. Plus, don’t forget we love to see your images, so make sure you share your gorgeous hair extensions on Instagram by tagging us @additional_lengths. 

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