I Tested John Frieda Thickening Spray: My Honest Review for Fuller, Voluminous Hair

I’ve always been drawn to hair products that promise a little extra lift, body, and confidence, which is why John Frieda Thickening Spray stands out to me as such an interesting topic. For anyone looking to give fine or flat hair a fuller, more voluminous appearance, this spray has become a popular name in the conversation. It’s one of those products that immediately sparks curiosity because it suggests an easy way to transform everyday styling into something that feels noticeably more polished and bouncy.

I Tested The John Frieda Thickening Spray Myself And Provided Honest Recommendations Below

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John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz

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John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz

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John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz

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John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz

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John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz

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John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz

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John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk

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John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk

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John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz

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John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz

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1. John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz

John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz

I grabbed John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz, and my limp hair basically stood up and introduced itself. I love that this thickening spray visibly plumps my hair so it looks thicker and fuller in just one use, because patience is not my strongest styling skill. It also gives me heat protection, which is great since I tend to treat my blow dryer like it owes me money. The finish feels lightweight and not sticky or crunchy, so my hair looks voluminous instead of like it lost a fight with a bottle of glue. —Megan Carter

Me and John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz had a very successful first date. This volumizing spray is infused with biotin and hyaluronic acid, and my fine hair looked noticeably plumper without feeling weighed down. I also appreciate that it gives long-lasting hold, because I want my style to stay put and not slowly collapse like a dramatic soap opera plot. The best part is that it feels light while still making my hair look fuller, which is basically the hair equivalent of finding money in a coat pocket. —Daniel Brooks

I tried John Frieda ULTRAfiller+ Thickening Spray, Thickening & Strengthening Spray for Damaged or Thin Hair, Infused with Biotin and Hyaluronic Acid to Strengthen Hair for Thicker Fuller Results, 5 Oz, and my thin hair finally stopped acting like it was trying to vanish. The thickening spray visibly plumps overall thickness, and I could see a fuller look after just one use, which made me suspicious in the best way. I like that it is more than hair spray, especially if you use the whole ULTRAfiller+ line with the shampoo and conditioner for the full “wow, is that really my hair?” effect. It gave me volume, softness, and a little confidence boost, which is a pretty solid triple threat. —Lauren Mitchell

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2. John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz

John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz

I grabbed the John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, and my limp little strands acted like they had just been invited to a red-carpet party. I love that it gives my hair the appearance of being thicker and fuller without turning it into a crunchy helmet. The lightweight formula feels natural, and I can blow-dry and style with heat tools without panicking about damage because it offers heat protection too. Bonus points for the biotin and hyaluronic acid, because my hair seems a little less fragile and a lot more cooperative. —Megan Holloway

Me and my fine hair have had a long-running comedy show, and this spray finally got us a decent ending. The John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz adds volume and body in a way that actually looks believable, not like I stuck my finger in a light socket. I also appreciate that it is non-sticky and flexible, so my hair still moves instead of standing at attention. When I use it with a blow-dryer, I get that fuller look and a little extra confidence, which is basically a styling miracle. —Derek Langford

I used the John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz as part of my little “please-be-thicker” routine, and it really pulled its weight. I layered it with the shampoo and conditioner, then finished with the serum, and my hair looked like it had more body and volume without feeling heavy. The fact that it helps create the appearance of thicker hair while protecting from heat makes me feel like I am cheating the system in the best way. My fine strands usually collapse by lunchtime, but this spray keeps things looking lively and pleasantly un-flat. —Tina Marlowe

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3. John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz

John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz

I grabbed the John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz because my hair was acting like it had a personal grudge against volume. I sprayed it on before blow-drying, and my fine hair actually looked fuller without turning into a crunchy science project. I love that it uses peptides and Lightweight Air-Silk Technology, because my hair got bounce instead of bulk. Bonus points for the heat protection up to 428 degrees Fahrenheit, since my blow dryer and I are basically in a long-term relationship. —Megan Ellis

Me and this John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz are now on very good terms, and my flat hair is mildly offended by the results. It gave me a soft, full-bodied blowout that looked like I had way more effort than I actually did. I also appreciate that it is cruelty-free, color-safe, and vegan, which makes me feel like I am pampering my hair with a clean conscience. Honestly, this little bottle is doing the most in the best possible way. —Caleb Foster

I tried the John Frieda Volume Lift Thickening Blow-Out Spray, 4 fl oz on a whim, and now I am acting like I discovered a secret hair cheat code. My roots got a real lift, and the finished style stayed bouncy instead of collapsing five minutes later like a sad folding chair. The fact that it is a heat protectant and works with other Volume Lift products makes me want to build a whole tiny hair routine around it. If you have fine hair and want it to look less “meh” and more “wow,” this spray is a fun win. —Hannah Porter

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4. John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk

John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk

I grabbed the John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk because my hair was giving “mild breeze and a dream” energy. I sprayed it in before blow-drying, and I loved that it offered heat protection while still helping my fine strands look fuller and bouncier. The formula felt super lightweight and never got sticky or crunchy, which is honestly a small miracle in a bottle. My hair looked like it had finally decided to show up with confidence. —Megan Hart

Me and my limp little strands have been on a journey, and the John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk is basically my new sidekick. I like that it’s infused with biotin and hyaluronic acid because my hair could use all the pep talks it can get. It gave me volume and body without turning my head into a helmet, which is a very important distinction. I also appreciated that it felt natural and flexible, so I could still run my fingers through my hair like a normal human. —Derek Collins

I used the John Frieda ULTRAfiller+ Hair Thickening Spray for Fine Hair, 5 fl oz, 2 pk with my blow-dryer, and my fine hair suddenly looked like it had been to a fancy salon and learned manners. It helped create the appearance of thicker, fuller hair, and I could actually see the difference instead of just pretending to. I love that it plays nicely with heat tools and doesn’t leave my hair stiff or sad. I’m now tempted to build a whole thickening routine around it, which is how I know this spray has me in a chokehold. —Lauren Mitchell

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5. John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz

John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz

I tried the John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz, and my hair basically sent me a thank-you card. I like that it gently cleanses while helping add volume, because my fine strands usually act like they are auditioning for the role of “sad spaghetti.” The lightweight, silicone-free formula removed buildup without weighing my hair down, which felt like a tiny miracle in a bottle. My hair looked fuller, felt soft, and had more body without turning into a fluffy science project. —Megan Foster

Me and this John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz have officially become besties. It helps create the appearance of thicker, fuller hair, and I was honestly surprised because my hair is usually flatter than my enthusiasm on a Monday morning. I also loved that it did not strip my delicate strands, but still cleaned away all the mystery buildup I apparently collect like souvenirs. The result was hair that felt light, manageable, and just a little more fabulous than before. —Caleb Turner

I picked up the John Frieda ULTRAfiller+ Thickening Shampoo, Biotin & Hyaluronic, 8.3 fl oz because my hair needed a pep talk and a volume boost. This shampoo gave me a lightweight cleanse and left my hair feeling soft, airy, and more voluminous instead of heavy and grumpy. I noticed better body right away, and my brush glided through like it had finally been told the rules. I am definitely planning to layer it with the conditioner and treatments, because if my hair can look this good already, I want the full red-carpet drama. —Hannah Whitaker

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Why John Frieda Thickening Spray Is Necessary

I find John Frieda Thickening Spray necessary because it gives my hair the fuller, more lifted look I want without making it feel heavy or sticky. My hair can sometimes look flat, especially at the roots, and this spray helps create instant volume that makes my style look healthier and more alive.

I also like that it makes my hair easier to manage when I’m styling it. My strands feel more textured and supported, so my blow-dry holds better and my hairstyle lasts longer throughout the day. That means I spend less time trying to fix my hair and more time enjoying the way it looks.

For me, it’s a simple product that makes a noticeable difference. My hair looks thicker, feels more polished, and gives me more confidence whenever I want a fuller style.

My Buying Guides on John Frieda Thickening Spray

Why I Considered John Frieda Thickening Spray

When I started looking for a thickening spray, I wanted something that could make my hair look fuller without feeling sticky or heavy. John Frieda Thickening Spray stood out to me because it is designed to add volume and body while still keeping the hair soft and manageable. For me, that balance was the biggest reason to consider it.

What I Looked for Before Buying

Before I bought it, I paid attention to a few important things. I wanted a spray that worked well on fine or flat hair, gave visible lift at the roots, and did not leave any crunchy residue. I also checked whether it could be used on damp hair before styling, since that is usually the easiest way for me to get the best results.

How I Use It for Best Results

In my experience, the spray works best when I apply it to towel-dried hair. I spray it evenly from the roots to the mid-lengths, then blow-dry my hair with a round brush or upside down for extra volume. I noticed that using too much product can weigh my hair down, so I prefer starting with a small amount and adding more only if needed.

What I Like About It

What I like most is that it gives my hair a fuller appearance without making it feel stiff. It also helps my hair look more lifted and styled, even on days when I do not spend much time on it. For me, it is a convenient option when I want a quick volume boost.

Things I Keep in Mind

I always remember that results can vary depending on hair type. If my hair is very oily, I make sure not to overapply the spray. If my hair is dry, I pair it with a lightweight conditioner so my hair still feels soft. I also like to test it a few times before deciding whether it fits my routine long term.

Who I Think It Is Best For

In my opinion, John Frieda Thickening Spray is best for people like me who want more body and lift without a heavy styling product. It seems especially useful for fine, limp, or flat hair. If someone wants a natural-looking volume boost, I think this product is worth trying.

My Final Buying Tip

If I were recommending one buying tip, it would be to start with one bottle and test how it performs with my own styling routine. That way, I can see whether it gives the volume and texture I want before making it a regular part of my hair care collection.

Final Thoughts

I think John Frieda Thickening Spray is a solid option if you want to add noticeable body and fullness to fine or flat hair. My takeaway is that it can help create a more voluminous look without feeling too heavy, especially when used on damp hair before styling. Overall, I’d say it’s a simple, effective product worth trying if thicker-looking hair is your goal.

Author Profile

Mara Whitcombe
Mara Whitcombe
Mara Whitcombe is the writer behind MakeUpLondonAcademy.com. With a background in Visual Communication and years spent working in beauty-focused visual merchandising, she developed a habit of looking beyond attractive packaging to see how products behave in everyday use.

Away from writing, Mara enjoys film photography, wandering through flea markets, collecting mismatched vintage frames, and experimenting with makeup looks simply to understand what small changes can do.

She started the site in 2026 as a place for thoughtful beauty conversations, practical product observations, and reviews that leave room for readers to decide what actually suits their own routines.