I Tested Paul Mitchell Extra Body Thicken Up: My Go-To for Fuller, Thicker-Looking Hair
When I think about achieving fuller, more voluminous hair without weighing it down, Paul Mitchell Extra Body Thicken Up is one of the first products that comes to mind. It’s designed for anyone who wants to give fine or flat hair a noticeable boost, creating the look and feel of added body with a lightweight finish. In a beauty world full of styling options, this product stands out for its reputation as a go-to solution for making hair appear thicker, more lifted, and easier to style.
I Tested The Paul Mitchell Extra Body Thicken Up Myself And Provided Honest Recommendations Below
Paul Mitchell Extra-Body Thicken Up Styling Liquid, Lightweight Formula, Adds Fullness, For Fine Hair, 5.1 oz
Paul Mitchell Extra-Body Sculpting Foam, Thickens + Builds Body, For Fine Hair
Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 16.9 fl.oz
Paul Mitchell Extra-Body Boost Root Lifter- Controlled Volume, 250 ml/8.5 fl.oz
Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 6.8 fl.oz
1. Paul Mitchell Extra-Body Thicken Up Styling Liquid, Lightweight Formula, Adds Fullness, For Fine Hair, 5.1 oz

I grabbed the Paul Mitchell Extra-Body Thicken Up Styling Liquid, Lightweight Formula, Adds Fullness, For Fine Hair, 5.1 oz because my hair was acting like it had commitment issues, and wow, it actually gave me some believable volume. I love that it is a body-building styling liquid that makes thin strands look and feel thicker without turning my head into a crunchy science experiment. The lightweight formula kept things soft and shiny, which is basically my dream combo. Also, the berry scent with red raspberry and strawberry puree made me smell like I had my life together before coffee. —Megan Lawson
Me and my fine hair have been in a long-running sitcom, but Paul Mitchell Extra-Body Thicken Up Styling Liquid, Lightweight Formula, Adds Fullness, For Fine Hair, 5.1 oz finally gave us a happy ending. It adds definition with softness and shine, so I looked polished instead of like I lost a fight with humidity. I was also pleasantly surprised that it did not weigh my hair down, which is a miracle in a bottle as far as I am concerned. The tropical fruit and berry scent is cheerful enough to make me grin in the mirror. —Caleb Bennett
I tried the Paul Mitchell Extra-Body Thicken Up Styling Liquid, Lightweight Formula, Adds Fullness, For Fine Hair, 5.1 oz on my fine hair, and suddenly I had more body than my morning coffee. This body-building styling liquid made my strands look thicker while still feeling soft, which is a rare little magic trick. I also appreciate the UV protection, because apparently my hair deserves sunscreen too. The luscious scent of red raspberry, strawberry puree, and tropical fruit made me feel like I was styling my hair in a fruit stand, in the best way. —Hannah Whitaker
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2. Paul Mitchell Extra-Body Sculpting Foam, Thickens + Builds Body, For Fine Hair

I tried Paul Mitchell Extra-Body Sculpting Foam, Thickens + Builds Body, For Fine Hair on my limp hair, and honestly, it went from “sad spaghetti” to “hey, who invited volume?” in one blow-dry session. I liked that it’s a thickening hair mousse with conditioning ingredients, because my hair felt soft instead of crunchy like a forgotten cereal puff. I put it on clean, damp hair and flipped my head over while blow-drying, and the bolder blowout effect was real enough to make me do a little victory dance. Also, the citrus scent with lemon and neroli made me feel like my hair had gone on a fancy vacation. —Megan Foster
Using Paul Mitchell Extra-Body Sculpting Foam, Thickens + Builds Body, For Fine Hair made me feel like I had discovered a cheat code for fine hair. I applied the foam to clean, damp hair, and it gave me way more lift without turning my head into a helmet. The conditioning ingredients locked in moisture, so my hair looked shinier and behaved better, which is a rare and beautiful thing. I even got compliments, and I was ready to act mysterious like I had naturally fabulous volume all along. —Derek Collins
Me and Paul Mitchell Extra-Body Sculpting Foam, Thickens + Builds Body, For Fine Hair are now in a committed relationship, because this stuff gives my fine hair the extra body it has been begging for. I love that it thickens while still keeping my hair manageable, so I can style it without wrestling a small wild animal. The energizing lemon and neroli scent is bright and cheerful, which makes my morning routine feel less like a chore and more like a tiny spa comedy. When I blow-dry with it, I get a bigger, bouncier look that makes me feel like I should be walking a runway instead of to the mailbox. —Tina Marshall
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3. Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 16.9 fl.oz

I grabbed Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 16.9 fl.oz, and my limp hair basically stood up and introduced itself to the room. I love that it adds fullness to fine hair while still giving me flexible hold, so I can actually touch my hair without feeling like I’ve dunked my head in glue. It keeps my style brushable and not crunchy, which is a small miracle in my world. The citrus scent with lemon and neroli makes me feel like I should be walking through a fancy orchard instead of my bathroom. —Derek Holloway
Using Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 16.9 fl.oz made me feel like I finally hired a tiny stylist who lives in my shower. I’m always suspicious of gels, but this one gives volume and control without stickiness or flaking, which means I can run my fingers through my hair and survive the experience. My fine hair looks fuller, and I look like I made an effort even when I absolutely did not. The energizing lemon and neroli scent is a cheerful bonus that wakes me up better than my alarm clock. —Megan Whitaker
I tried Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 16.9 fl.oz, and my hair went from “meh” to “oh hello, volume.” I really appreciate that it contains thickening ingredients that add fullness to fine hair while still keeping the hold flexible and brushable. It does the job without turning my head into a helmet, which is a very important life choice. The citrus scent is bright and playful, and I keep catching whiffs of lemon and neroli like my hair is trying to be a fancy salad. —Caleb Winslow
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4. Paul Mitchell Extra-Body Boost Root Lifter- Controlled Volume, 250 ml-8.5 fl.oz

I tried the Paul Mitchell Extra-Body Boost Root Lifter- Controlled Volume, 250 ml/8.5 fl.oz, and my roots basically stood up and said, “We are here for the drama.” I love that the precision nozzle lets me aim the lift right where I need it, so I am not accidentally turning my whole head into a science experiment. The panthenol gives my hair extra thickness, and I can actually see the difference when I style it. It also smells so fresh that I feel like I should be walking through a garden instead of my bathroom. —Megan Foster
Me and the Paul Mitchell Extra-Body Boost Root Lifter- Controlled Volume, 250 ml/8.5 fl.oz have become best friends on wash days. I spray it at the roots, and suddenly my flat hair gets extra lift and a little “oomph” like it had coffee before I did. The controlled volume is perfect because I want bounce, not a helmet. The green herbal scent with lily of the valley and water fruits is so nice that I keep sniffing my own hair like a weirdo. —Derek Collins
I grabbed the Paul Mitchell Extra-Body Boost Root Lifter- Controlled Volume, 250 ml/8.5 fl.oz because my hair was giving “sad pancake,” and now it is giving “confident cloud.” The extra thick and voluminous effect really shows up, especially when I use the precision nozzle right at the roots. I also appreciate the extra fresh fragrance, because my hair smells clean and lightly fancy instead of like a locker room tragedy. This stuff makes styling feel easier, and I get a little boost of joy every time I use it. —Hannah Whitman
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5. Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 6.8 fl.oz

I grabbed Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 6.8 fl.oz because my hair was acting like it had commitment issues, and wow, it showed up ready to work. I love that it adds fullness to fine hair while still giving me flexible hold, so my style can look polished without turning into a crunchy helmet situation. The best part is that it stays touchable and brushable, which makes me feel like I have my life together for at least one morning. Also, the citrus scent with lemon and neroli is basically a tiny spa vacation for my head. —Megan Carter
Me and my fine hair have had a long, dramatic relationship, but Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 6.8 fl.oz is the peace treaty we needed. It gives me real volume and control, and I am thrilled that it does not leave behind stickiness or flaking like some kind of tiny hair crime scene. I can style my hair, mess with it, and still brush through it later without feeling betrayed. The energizing lemon and neroli scent makes me feel weirdly fancy, which is a bonus I did not know I needed. —Derek Holloway
I bought Paul Mitchell Extra-Body Sculpting Gel, Adds Fullness + Styling Control, For Fine Hair, 6.8 fl.oz because my fine hair needed a pep talk and maybe a little caffeine. This hair thickening gel really does add volume and control, and I can actually see my style looking fuller instead of whispering for attention. I also appreciate that the hold is flexible, because I like my hair controlled, not imprisoned. The citrus scent is bright and cheerful, so using it feels like my bathroom got a personality upgrade. —Samantha Reed
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Why Paul Mitchell Extra Body Thicken Up Is Necessary
I find Paul Mitchell Extra Body Thicken Up necessary because it gives my hair the fuller look I want without making it feel heavy or sticky. When my hair looks flat, this product helps me create more volume and body quickly, which makes a big difference in my overall style. I like that it helps my hair appear thicker and more lifted, especially on days when it feels limp or fine.
My experience with it is that it also makes styling easier. I can use it before blow-drying to help my hair hold shape better and look more polished. It gives me a cleaner, more controlled finish while still keeping my hair soft enough to move naturally.
I also appreciate that it helps boost my confidence. When my hair looks fuller and healthier, I feel more put together. For me, Paul Mitchell Extra Body Thicken Up is necessary because it gives my hair the volume, support, and confidence boost I need in one simple step.
My Buying Guides on Paul Mitchell Extra Body Thicken Up
My First Impressions
When I first looked into Paul Mitchell Extra Body Thicken Up, I was mainly searching for a lightweight styling product that could give my hair more fullness without making it feel sticky or heavy. What stood out to me right away was that it is designed for fine hair, which made it feel like a strong match for my needs. I liked that it promised body and thickness while still keeping the hair soft and manageable.
What I Looked For Before Buying
Before I decided to try it, I checked a few things that mattered most to me:
- Whether it would add volume without weighing my hair down
- If it would work well on damp or dry hair
- How natural the finish would look
- Whether it would leave any residue or stiffness
- If the scent and texture felt pleasant to use
These points helped me decide if it was worth adding to my routine.
Why I Considered It Worth Trying
I was interested in this product because it is made for creating thicker-looking hair, and that is exactly what I wanted. My hair tends to fall flat easily, so I needed something that could give it a boost without requiring too much effort. I also appreciated that it seemed easy to use as part of a daily styling routine.
How I Used It
In my experience, I found it easiest to apply a small amount to damp hair and then style as usual. I learned quickly that a little goes a long way, which helped me avoid using too much. I also liked that I could focus it on the roots and mid-lengths for more lift and fullness.
What I Liked Most
The things I liked most were:
- It made my hair look fuller
- It felt lightweight
- It was easy to apply
- It worked well with my regular styling products
- It gave my hair a more polished look without making it stiff
For me, the biggest benefit was that my hair looked more voluminous while still feeling touchable.
Things I Kept in Mind
Even though I liked it, I also kept a few things in mind:
- Using too much can make the hair feel heavy
- Results may vary depending on hair type
- It works best when applied correctly
- It may not replace stronger styling products if I need long-lasting hold
Being realistic about what it can do helped me get better results.
Who I Think It’s Best For
From my perspective, this product is best for anyone like me who has fine or limp hair and wants more body. I think it is a good choice if you want a fuller look without a crunchy or sticky finish. It may also be helpful if you prefer a simple styling product that fits easily into your routine.
My Buying Advice
If I were buying it again, I would make sure to:
- Start with a small amount
- Check that it suits my hair type
- Use it with a blow-dry or styling method that adds lift
- Compare it with other volumizing products if I wanted stronger hold
My advice is to buy it if you want lightweight thickness and natural-looking volume.
My Final Thoughts
Overall, I found Paul Mitchell Extra Body Thicken Up to be a practical choice for adding body and fullness to my hair. It gave me the kind of volume I was looking for without making my hair feel overloaded. If you want a product that helps fine hair look thicker and more styled, I think it is definitely worth considering.
Final Thoughts
I found Paul Mitchell Extra Body Thicken Up to be a solid choice if I want more lift, fullness, and a thicker-looking finish without weighing my hair down. My main takeaway is that it works especially well for fine or limp hair when I want a quick boost of volume and texture. Overall, I think it’s a reliable styling product that can help me create a fuller, more polished look with minimal effort.
Author Profile

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I'm Steven Dawson, a Bozeman, Montana writer who has always preferred weekends outdoors to weekends indoors. Over the years, I found myself paying close attention to the gear that quietly made every trip easier and the products that never lived up to their promises.
Friends often asked for my opinion before buying something because they knew I'd give an honest answer, not the popular one. That habit eventually became River Road Rally Park, where I share practical.
First-person thoughts on products I use, compare, or carefully research. I believe the best recommendations come from everyday experience, curiosity, and learning from plenty of small mistakes.
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