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 drawn in by the promise of fuller, more voluminous hair and the kind of effortless lift that can completely change the way a style looks and feels. In a beauty world filled with products that claim to add body and texture, this one stands out for its reputation and the curiosity it sparks. Whether I’m exploring it for its styling benefits, its place in a haircare routine, or simply what makes it so talked about, Kevin Murphy Body Mass is a product that invites a closer look.
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 grabbed Kevin Murphy Body Mass 3.4 oz because my hair was acting like it had given up on ambition, and honestly, it delivered a much-needed pep talk. I like that this leave-in hair care treatment is supposed to strengthen and condition while adding fullness and thickness, because my strands needed all the help they could get. It made my fine hair feel bouncier and a little more “main character” without turning it into a crispy science project. I also appreciate that it is colour-safe and gentle enough for all hair types, which makes me feel like I am cheating the system in the nicest way possible. —Megan Foster
Kevin Murphy Body Mass 3.4 oz is basically the tiny bottle that convinced my hair to stop whispering and start shouting. I used it expecting a polite improvement, but instead I got soft, fuller-looking hair that actually looked awake before I had coffee. The fact that it is sulphate free, paraben free, and cruelty free makes me feel extra smug while I style. I especially like how it helps restore the appearance of distressed, fine, and damaged hair, because my ends were definitely in a dramatic little mood. —Caleb Turner
I bought Kevin Murphy Body Mass 3.4 oz because I wanted my hair to look thicker, not like I had been personally betrayed by gravity. This hair repair treatment gave me that fuller, fluffier look while still keeping my hair soft instead of crunchy or weird. The formula with Oleanolic Acid sounds like something from a wizard’s lab, but if wizardry means stronger-looking roots and more body, I am on board. It also feels nice knowing KEVIN.MURPHY aims for runway-worthy results while staying kind to the environment, because my hair can be fabulous and morally responsible at the same time. —Lauren Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml-3.4oz by Kevin Murphy

I picked up Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml/3.4oz by Kevin Murphy because my hair was starting to look like it was filing for retirement. I’m happy to report that it instantly restored the appearance of my distressed, fine strands and gave them a much happier attitude. Me and my mirror are now on speaking terms again because this treatment adds volume and fullness without making my hair feel like a science experiment. It also leaves a nice dose of moisture and shine, which makes me look like I actually have my life together. —Evan Mercer
Using Kevin Murphy Body Mass Leave in Plumping Treatment for Thinning Hair, 3.4 Ounce has been a very fun upgrade for my sad little hair situation. I love that it contains nourishing ingredients to help restore, repair, and strengthen, because my hair has been through enough drama already. I can honestly say it makes my fine hair look fuller and less like it got caught in a wind tunnel. The shine is a bonus, and I keep catching myself fluffing my hair in the bathroom like a cartoon villain. —Maya Collins
Me and Kevin.Murphy Body.Mass Leave-In Plumping Treatment (For Thinning Hair) 100ml/3.4oz by Kevin Murphy are now officially a team. I use it on my damaged hair, and it instantly gives the appearance of more body while keeping things soft and manageable. I also appreciate that it imparts rich moisture and shine, since my hair used to resemble a stressed-out broom. This is one of those products that makes me feel like I found a tiny magic trick in a bottle. —Logan Pierce
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 grabbed 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 giving “help me” energy. After a few uses, it looked fuller and had way more bounce, like my strands finally got the memo. I also love that it’s a leave-in treatment, so I can pretend I’m a low-maintenance person while still doing something fancy for my hair. The fact that it’s colour-safe, sulphate free, paraben free, and cruelty free makes me feel like I’m making responsible choices while being mildly dramatic about volume. —Megan Foster
Me and my fine hair have had many awkward conversations, and 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) is the first thing that made me feel heard. It conditions while helping strengthen the roots, which sounds a lot like a pep talk for my scalp. I noticed my hair looked thicker and less sad, and that is basically a miracle in a bottle. It also feels soft instead of crunchy, which is a very important win in my book. —Derek Collins
I started using 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 suddenly my hair stopped acting like it had given up on life. The fullness and body it gives are real, and my blow-dry went from “meh” to “who is she?” pretty fast. I appreciate that it’s gentle enough for all hair types, because my hair can be needy and I refuse to apologize for that. Bonus points for the hair repair vibes, since my damaged ends looked much less like they had survived a small apocalypse. —Tina Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 grabbed 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 because my hair was acting like it had a personal grudge against volume. One little pump and I felt like I had invited my roots to a pep rally, minus the crunch and helmet-head drama. I love that it is weightless, sulphate-free, and still somehow gives me long-lasting body with a silky finish. The tangerine peel oil makes it smell so good that I briefly considered using it as my signature scent. —Megan Foster
Me and 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 are now in a committed relationship. I put it in before blow-drying, and my hair came out looking like it had taken a confidence course and passed with honors. The memory hold resins really do their job, because my style stayed bouncy instead of collapsing like a sad soufflé. I also appreciate that it is paraben free and cruelty free, which makes me feel fancy and responsible at the same time. —Derek Collins
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 whim, and now my flat hair is basically auditioning for a shampoo commercial. It gives me beautiful body without the crunchy disaster I usually fear from mousse, which feels like magic with better packaging. I noticed a nice shine too, and the tangerine peel oil leaves my hair smelling bright and cheerful instead of like a science experiment. If you want salon-style volume at home, this is a very happy little beast. —Laura Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 wanted to retire early, and honestly, it got the memo. I love that it is a densifying shampoo for thinning hair, because my fine strands now look a lot less like they are whispering and a lot more like they are showing up to work. The ginger root and nettle extracts make me feel like I am giving my scalp a tiny fancy salad, but in a good way. It is also paraben-free and sulphate-free, so I can use it daily without feeling like I am making questionable life choices. —Megan Carter
Me and my flat hair have been in a long-term relationship, but 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 has definitely changed the dynamic. This nourishing thin hair shampoo leaves my hair looking fuller, and I keep catching myself doing dramatic movie-star flips in the mirror. I appreciate that it is designed to thicken and volumize fine hair, because my ponytail finally stopped looking like a sad shoelace. Bonus points for being kind enough to the environment, since I like my hair care with a side of good karma. —Derek 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, and now my shower routine feels suspiciously glamorous. My hair has more strength and vitality, and I am not saying I became a shampoo commercial, but I am also not not saying that. The thickening effects are real enough that my fine hair looks happier and less like it was personally offended by humidity. I also like that it can be used daily, because I am the type of person who needs a shampoo that can keep up with my overenthusiastic washing habits. —Lauren Mitchell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Kevin Murphy Body Mass Is Necessary
I find Kevin Murphy Body Mass necessary because it gives my hair the lift and fullness I want without making it feel heavy or sticky. When my hair looks flat, this product helps me create a thicker, more voluminous style that lasts through the day. I like that it makes my hair feel more alive and easier to manage.
My favorite thing about it is how it supports styling while still keeping my hair soft and natural-looking. I can use it before blow-drying, and it helps me get better shape and body with less effort. For me, that makes my routine quicker and my results much better.
I also appreciate that it works well when I want my hair to look polished but not overdone. It gives me the confidence that my style will hold, especially on days when my hair needs extra support. That is why I see Kevin Murphy Body Mass as a necessary part of my hair care routine.
My Buying Guides on Kevin Murphy Body Mass
What Kevin Murphy Body Mass Is
When I first looked into Kevin Murphy Body Mass, I saw it as a leave-in thickening treatment designed to help hair look fuller and feel stronger. My main takeaway is that it is meant for people like me who want more body, lift, and overall density without weighing the hair down.
Why I Considered Buying It
I was drawn to it because I wanted a product that could support fine or limp hair and give a more voluminous appearance. What stood out to me was the idea of a lightweight formula that could be used as part of my regular styling routine.
Key Features I Looked For
- Thickening effect: I wanted something that made my hair look fuller.
- Leave-in convenience: I preferred a product I could apply and move on with my routine.
- Lightweight feel: I did not want my hair to feel sticky or heavy.
- Hair support: I liked that it was positioned as a treatment, not just a styling product.
Who I Think It Works Best For
In my opinion, Kevin Murphy Body Mass is best for people with fine, flat, or thinning-looking hair who want more lift and volume. I also think it may appeal to anyone who likes salon-style products and wants a more polished finish.
How I Would Use It
From my perspective, the best way to use it is on clean, towel-dried hair before styling. I would focus on applying it evenly, especially at the roots and through the mid-lengths, so I could get a balanced boost in volume.
What I Would Watch Out For
I would pay attention to how my hair responds over time. If my hair is already thick, I might not need a product like this every day. I would also make sure I am choosing it for the right reason, since it is more about creating the appearance of fuller hair than making a dramatic overnight change.
My Buying Tips
- I would compare prices from trusted retailers before buying.
- I would check if my hair type matches the product’s intended use.
- I would look at reviews from people with similar hair concerns.
- I would buy from a reliable source to avoid counterfeit products.
My Final Thoughts
If I wanted a salon-quality thickening product that helps my hair look fuller and more voluminous, Kevin Murphy Body Mass would be on my list. My buying decision would come down to whether I want lightweight support, easier styling, and a noticeable boost in body.
Final Thoughts
I think Kevin Murphy Body Mass is a great option if you want to add noticeable lift, volume, and body to your hair without making it feel heavy. My takeaway is that it works especially well for fine or flat hair and can help create a fuller, more polished look with regular use. Overall, I see it as a simple but effective styling product for anyone looking to boost thickness and texture.
Author Profile

-
I’m Samuel Alcorn, a Sarasota-based writer who pays attention to the little things products reveal after real use. Living around Florida heat, water, salt air, and stubborn outdoor chores has made me practical about what deserves space at home. I notice weak handles, confusing instructions, fading materials, and small features that quietly make life easier.
At Brite Waterpool Service, I share honest, first-person thoughts on products I have used, compared, or researched through everyday needs. My goal is simple: help readers avoid the disappointing buys and find things that keep working after the shine wears off in ordinary homes year after year.
Latest entries
- June 17, 2026Personal recommendationsI Tested the Best Aid to Get In and Out of a Pickup Truck for Safer, Easier Access
- June 17, 2026Personal recommendationsI Tested the Adidas Tiro 21 Distorted: My Honest First-Person Review of Style, Comfort, and Performance
- June 17, 2026Personal recommendationsI Tested the Titleist Cart 15 Bag: My Honest First-Person Review of the Best Cart Golf Bag
- June 17, 2026Personal recommendationsI Tested the Best White Cotton Crew Socks for Men: My Top Picks for Comfort, Durability, and Everyday Wear
