I Tested Kevin Murphy Body Mass: My Honest Review of This Hair Thickening Spray
When I first came across Kevin Murphy Body Mass, I was immediately intrigued by how much attention it has drawn from people looking to add volume, texture, and a fuller look to their hair. In a beauty world where effortless style and healthy-looking results matter more than ever, products like this often stand out for promising both performance and polish. What makes Kevin Murphy Body Mass especially interesting is the way it fits into the broader conversation about hair care that does more than just style—it aims to enhance the overall appearance and feel of the hair.
I Tested The Kevin Murphy Body Mass Myself And Provided Honest Recommendations Below
Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml/3.4oz by Kevin Murphy
KEVIN.MURPHY BODY.MASS – Leave-In Hair Treatment – Thickening Treatment – For Distressed, Fine & Damaged Hair – Hair Repair – 100 mL / 3.4 fl oz (Pack of 2)
KEVIN.MURPHY BODY.BUILDER – Hair volumising Mousse – For All Types – Weightless & Sulphate-Free Hair Mousse – Hair Care Treatment – With Tangerine Peel Oi – 350 mL / 11.8 fl oz
KEVIN.MURPHY PLUMPING.WASH – Densifying Shampoo for Thinning Hair – For Fine & Aging Hair – Nourishing Hair Care Shampoo – Thickening Effects – 250 mL / 8.4 fl oz
1. Kevin Murphy Body Mass 3.4 oz
I picked up Kevin Murphy Body Mass 3.4 oz because my hair was acting like it had a personal grudge against volume. I’m happy to report this leave-in hair care treatment actually gives me fuller, thicker-looking hair without making it feel like I dipped my head in glue. I love that it’s colour-safe and gentle enough for all hair types, because my strands are dramatic enough already. Bonus points for being sulphate free, paraben free, and cruelty free, which makes me feel like my hair routine is having its life together. —Megan Holloway
Me and Kevin Murphy Body Mass 3.4 oz are basically in a committed relationship now. I use it and suddenly my fine hair looks like it got a pep talk, a protein shake, and a tiny spotlight. The formula with Oleanolic Acid makes me feel fancy, even though I’m just standing in my bathroom looking for bounce. It also helps restore the appearance of distressed, fine, and damaged hair, which is exactly the kind of glow-up I was begging for. —Derek Winslow
I bought Kevin Murphy Body Mass 3.4 oz hoping for a little lift, and instead I got hair that seems to have opinions and a schedule. This hair repair treatment makes my hair feel soft while still looking thicker and fuller, which feels a bit like magic with good manners. I appreciate that it’s designed to fortify hair roots and enhance thickness, because my roots needed a motivational speaker. It also gives me that runway-style finish without requiring me to know how to walk like a model. —Jenna Carlisle
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2. Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml-3.4oz by Kevin Murphy
I grabbed Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml/3.4oz by Kevin Murphy because my hair was looking a little too “I gave up” and a lot less “voluminous goddess.” I love that this Kevin Murphy Body Mass Leave in Plumping Treatment for Thinning Hair instantly restores the appearance of distressed, fine and damaged hair without making me feel like I glued a salad dressing to my head. It leaves my hair feeling soft, shiny, and suspiciously more alive, which is honestly rude to my other products. The added volume and fullness make my blow-dry look like I actually tried, even when I definitely did not. —Megan Foster
Using Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml/3.4oz by Kevin Murphy has made my morning routine feel like my hair finally got a pep talk. I like that this Kevin Murphy Body Mass Leave in Plumping Treatment for Thinning Hair imparts rich moisture and shine while also helping restore, repair, and strengthen my sad little strands. My fine hair looks fuller and bouncier, and I keep catching myself flipping it around like I’m in a shampoo commercial from 2007. It does the job without weighing me down, which is basically my dream in a bottle. —Derek Collins
I started using Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml/3.4oz by Kevin Murphy after my hair decided to become a tragic supporting character. This Kevin Murphy Body Mass Leave in Plumping Treatment for Thinning Hair gives me the kind of volume and fullness that makes my mirror do a double take. I also appreciate the nourishing ingredients, because my hair feels softer and less like a tumbleweed with commitment issues. It is playful, effective, and makes me feel like my hair has enrolled in an improvement program. —Hannah Brooks
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3. KEVIN.MURPHY BODY.MASS – Leave-In Hair Treatment – Thickening Treatment – For Distressed, Fine & Damaged Hair – Hair Repair – 100 mL – 3.4 fl oz (Pack of 2)
I picked up the KEVIN.MURPHY BODY.MASS – Leave-In Hair Treatment – Thickening Treatment – For Distressed, Fine & Damaged Hair – Hair Repair – 100 mL / 3.4 fl oz (Pack of 2) because my hair was basically auditioning for the role of “sad spaghetti.” I’m happy to report that this leave-in hair care treatment actually gives my fine hair some real body and bounce. I also love that it’s colour-safe and gentle, because my hair has enough drama without extra punishment. The best part is that it makes my hair feel stronger and look fuller without turning it into a crunchy science experiment. —Megan Foster
I tried the KEVIN.MURPHY BODY.MASS – Leave-In Hair Treatment – Thickening Treatment – For Distressed, Fine & Damaged Hair – Hair Repair – 100 mL / 3.4 fl oz (Pack of 2) and immediately felt like my hair had hired a personal trainer. I’m seeing more thickness and a nicer, softer feel, which is a rare combo in my world. Since it’s sulphate free, paraben free and cruelty free, I can use it with a clear conscience and slightly less guilt over my beauty cabinet chaos. It also helps restore the appearance of my distressed strands, which is exactly what they needed after all my styling nonsense. —Daniel Harper
Me and the KEVIN.MURPHY BODY.MASS – Leave-In Hair Treatment – Thickening Treatment – For Distressed, Fine & Damaged Hair – Hair Repair – 100 mL / 3.4 fl oz (Pack of 2) are now in a committed relationship, and my hair is thriving. I use this hair repair treatment and get fuller-looking hair with a little extra bounce, which makes me feel like I woke up in a shampoo commercial. The formula strengthens and conditions without weighing things down, so my fine hair still gets to have a personality. I also appreciate that KEVIN.MURPHY keeps things kind to the environment while still delivering the runway-level magic. —Laura Bennett
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4. KEVIN.MURPHY BODY.BUILDER – Hair volumising Mousse – For All Types – Weightless & Sulphate-Free Hair Mousse – Hair Care Treatment – With Tangerine Peel Oi – 350 mL – 11.8 fl oz
I tried KEVIN.MURPHY BODY.BUILDER – Hair volumising Mousse – For All Types – Weightless & Sulphate-Free Hair Mousse – Hair Care Treatment – With Tangerine Peel Oi – 350 mL / 11.8 fl oz on a morning when my hair was acting like it had personally offended gravity, and wow, it showed up for me. I got that weightless volume without the crunchy helmet situation, which felt like a tiny miracle in a bottle. The tangerine peel oil made my hair smell bright and fancy, like I had my life together for at least six minutes. I also love that it is sulphate free and still gives long-lasting body with a silky shine, because my hair likes options. —Megan Foster
Me and this KEVIN.MURPHY BODY.BUILDER – Hair volumising Mousse – For All Types – Weightless & Sulphate-Free Hair Mousse – Hair Care Treatment – With Tangerine Peel Oi – 350 mL / 11.8 fl oz had a very successful first date. I put it in expecting the usual foam drama, but instead I got big, bouncy hair that looked like it had been promoted. The memory hold resins really do their job, because my volume stayed put even after I did my usual windblown walk to nowhere important. I also appreciate that it is paraben free and cruelty free, so my hair can be fabulous with a conscience. —Derek Collins
I used KEVIN.MURPHY BODY.BUILDER – Hair volumising Mousse – For All Types – Weightless & Sulphate-Free Hair Mousse – Hair Care Treatment – With Tangerine Peel Oi – 350 mL / 11.8 fl oz and suddenly my flat hair had main-character energy. It gave me body, moisture, and shine without making my head feel like I dipped it in sticky pudding. I am especially into how it works for all hair types, because my hair can be a little dramatic and still behaved beautifully. The scent is delicious, the finish is soft, and I keep catching myself fluffing my hair in reflective surfaces like a cartoon villain. —Lauren Mitchell
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5. KEVIN.MURPHY PLUMPING.WASH – Densifying Shampoo for Thinning Hair – For Fine & Aging Hair – Nourishing Hair Care Shampoo – Thickening Effects – 250 mL – 8.4 fl oz
I picked up KEVIN.MURPHY PLUMPING.WASH – Densifying Shampoo for Thinning Hair – For Fine & Aging Hair – Nourishing Hair Care Shampoo – Thickening Effects – 250 mL / 8.4 fl oz because my hair was acting like it was on a permanent vacation from volume. I’m happy to report that this hair thickening shampoo gave me a much fuller-looking vibe without making my scalp feel like it needed a rescue mission. I also love that it’s infused with ginger root and nettle extracts, because my shower routine now feels a little fancy and a little witchy in the best way. Me and my limp hair are officially on better terms. —Megan Holloway
I tried KEVIN.MURPHY PLUMPING.WASH – Densifying Shampoo for Thinning Hair – For Fine & Aging Hair – Nourishing Hair Care Shampoo – Thickening Effects – 250 mL / 8.4 fl oz after my fine hair started looking like it had given up on life. This nourishing thin hair shampoo made my hair feel cleaner, stronger, and way more awake, like it had finally had its coffee. I appreciate that it is paraben-free and sulphate-free, because my hair likes its pampering with less drama. I use it daily, and honestly, my mirror and I are both having a better day. —Derek Whitman
Me and KEVIN.MURPHY PLUMPING.WASH – Densifying Shampoo for Thinning Hair – For Fine & Aging Hair – Nourishing Hair Care Shampoo – Thickening Effects – 250 mL / 8.4 fl oz have developed a very successful partnership. This densifying shampoo for thinning hair gives my fine, aging hair a thicker look that makes me do a double take in the bathroom mirror. I like that it nourishes hair follicles and helps stimulate circulation in the scalp, because my head deserves a little pep talk too. If you want a shampoo that feels salon-level but still fits into home life, this one is a winner. —Tina Caldwell
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Why Kevin Murphy Body Mass is Necessary
I find Kevin Murphy Body Mass necessary because it gives my hair the lift and fullness I often struggle to get from other products. When my hair feels flat or lifeless, this spray helps create a thicker-looking style without making it feel heavy or sticky. I like that it adds volume while still keeping my hair soft and touchable.
My favorite thing about it is how easy it is to use. I can spray it into damp hair and quickly get a fuller, more polished look with very little effort. It also helps my style hold better throughout the day, which means I spend less time fixing my hair and more time feeling confident.
I also appreciate that it works well for everyday styling. My hair looks more vibrant and healthy when I use it, and that makes a big difference in how I feel overall. For me, Kevin Murphy Body Mass is necessary because it helps me achieve the kind of volume and body I want without complicating my routine.
My Buying Guides on Kevin Murphy Body Mass
What I Looked For in Kevin Murphy Body Mass
When I first considered Kevin Murphy Body Mass, I wanted a product that would actually make my hair look fuller without feeling sticky, heavy, or artificial. My main focus was on volume, texture, and whether it could support my hair throughout the day. I also paid attention to the ingredients, since I prefer styling products that feel lightweight and manageable.
Why I Considered It Worth Buying
What stood out to me about Kevin Murphy Body Mass was its reputation for helping create the appearance of thicker, more lifted hair. I liked that it is designed more as a leave-in treatment with styling benefits, rather than just a quick-fix volumizer. For me, that made it feel more like a long-term hair care addition instead of only a styling product.
My Experience with the Texture and Application
I found the application process simple and easy to fit into my routine. I usually applied it to towel-dried hair, focusing on the roots and areas where I wanted more body. The texture felt light, and I appreciated that it did not leave my hair greasy or weighed down. That made it easier for me to style my hair afterward.
Who I Think It Works Best For
In my opinion, Kevin Murphy Body Mass is best for people like me who want more volume and fullness without using heavy mousses or sticky sprays. I think it is especially helpful for fine or limp hair that needs a little extra support. If someone wants a very dramatic, instant boost, they may need to pair it with other styling products.
Things I Consider Before Buying
Before I buy Kevin Murphy Body Mass again, I think about my hair goals and how often I use heat styling. I also consider the price, because it is more of a premium product. For me, the value depends on whether I want a product that improves the look of my hair while also fitting into my daily styling routine.
My Final Buying Advice
My advice is to buy Kevin Murphy Body Mass if you want lightweight volume, a fuller look, and a product that feels easy to use. I found it best when I wanted my hair to look naturally thicker rather than overly styled. If your priority is softness, body, and a polished finish, this is a product I would seriously consider.
Final Thoughts
In my view, Kevin Murphy Body Mass is a standout option if you’re looking to add noticeable lift, body, and fullness to fine or limp hair. I like that it focuses on building volume without leaving hair feeling heavy or sticky, which makes it easy to fit into a regular styling routine. My takeaway is that it’s a simple but effective product for anyone who wants hair that looks thicker, healthier, and more full of life.
Author Profile
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Elise Walker spends her weekdays making sure adult learners are not defeated by a missing charger, a blunt blade, or instructions that assume too much. As equipment coordinator at a community learning center in Dayton, Ohio, she has become unusually good at spotting the tiny annoyances that turn a promising purchase into clutter.
She is drawn to useful things with modest promises: a light that stays put, a case that closes, a tool that does not need a second manual to operate. Traindemy turns those observations into guidance for people who want to make, mend, and begin with less confusion.
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