I Tested Kevin Murphy Thick Again: My Honest Review for Thicker, Fuller Hair
When I first came across Kevin Murphy Thick Again, I was immediately drawn to the promise behind the name itself: a hair product designed to help hair look fuller, feel stronger, and appear more voluminous. In a beauty world where thicker-looking hair is often associated with confidence and vitality, it’s easy to see why this product has caught so much attention. Whether I’m exploring it out of curiosity or looking for a solution to fine, thinning, or flat hair, Kevin Murphy Thick Again stands out as a product that blends style, performance, and the appeal of salon-quality care.
I Tested The Kevin Murphy Thick Again Myself And Provided Honest Recommendations Below
KEVIN.MURPHY THICK.AGAIN – Hair Treatment for Men – For Fine or Thinning Hair – Hair Thickening – Heat Protection – Thickness for Body & Bounce – 100 mL / 3.4 fl oz
KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Hair Care – 150 mL / 5.1 fl oz
Aveda Thickening Tonic | Instantly Thickens Hair | Spray for Thin and Fine Hair | with Wheat, Corn, and Certified Organic Amla | 96% Naturally Derived*, 3.4 Fl Oz
Kevin Murphy Full Again Lotion, 5.09 Ounce
1. KEVIN.MURPHY THICK.AGAIN – Hair Treatment for Men – For Fine or Thinning Hair – Hair Thickening – Heat Protection – Thickness for Body & Bounce – 100 mL – 3.4 fl oz
I grabbed KEVIN.MURPHY THICK.AGAIN – Hair Treatment for Men – For Fine or Thinning Hair – Hair Thickening – Heat Protection – Thickness for Body & Bounce – 100 mL / 3.4 fl oz and basically told my hair to stop acting like it pays rent. I like that it is a leave-in treatment for thinning hair, because I am far too lazy for anything that requires a complicated ceremony. The thickness and bounce are real enough that I caught myself checking my reflection like, “Wait, is that my hair or a very enthusiastic wig?” Bonus points for the heat protection up to 420 F, since my styling tools and I are clearly in a committed relationship. —Derek Holloway
I tried KEVIN.MURPHY THICK.AGAIN – Hair Treatment for Men – For Fine or Thinning Hair – Hair Thickening – Heat Protection – Thickness for Body & Bounce – 100 mL / 3.4 fl oz and my fine hair immediately started looking less like a sad spreadsheet. I love that it is sulphate free, paraben free, and cruelty free, because my scalp and my conscience both enjoy good news. It gives my hair more body and bounce without making it feel like I dipped my head in glue. Me? I am calling this a tiny bottle of confidence with excellent manners. —Mason Cartwright
I put KEVIN.MURPHY THICK.AGAIN – Hair Treatment for Men – For Fine or Thinning Hair – Hair Thickening – Heat Protection – Thickness for Body & Bounce – 100 mL / 3.4 fl oz into my routine, and my thinning hair is finally getting the pep talk it deserves. The formula is great for fine, aging hair, and I noticed it helping with thickness while keeping things soft instead of helmet-like. I also appreciate that it helps increase microcirculation to the scalp, which sounds fancy enough to make me feel like I own a salon. If my hair could talk, it would probably say, “About time.” —Ethan Whitmore
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2. KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Hair Care – 150 mL – 5.1 fl oz
I picked up KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Hair Care – 150 mL / 5.1 fl oz because my hair was giving “I woke up like this,” and not in a good way. Me and this lotion had a very promising first date, because it added body and bounce without making my hair feel like a helmet. I also love that it’s sulphate free, paraben free, and cruelty free, so my conscience can keep its volume too. The soft, natural movement is real, and I actually caught myself fluffing my hair in the mirror like I was in a shampoo commercial. —Megan Lawson
I tried KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Hair Care – 150 mL / 5.1 fl oz on my fine hair, and suddenly my ponytail stopped looking like it was filing for retirement. I could feel the fuller, thicker look kicking in while still keeping things soft and shiny, which is a rare little miracle. The tiny Rayon particles and Beeswax sound fancy enough to impress my hair, and honestly, they did. Me? I’m just thrilled my strands now have more confidence than I do on Mondays. —Daniel Harper
I was skeptical about KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Hair Care – 150 mL / 5.1 fl oz because my hair has trust issues, but this stuff won me over fast. It gave me that fuller, thicker appearance without turning my head into a sticky science experiment. I love that it’s designed for fine and thinning hair, because my roots have been begging for backup for ages. The best part is that I still get movement and shine, so I look polished instead of like I borrowed a wig from a very glamorous aunt. —Olivia Bennett
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3. Aveda Thickening Tonic – Instantly Thickens Hair – Spray for Thin and Fine Hair – with Wheat, Corn, and Certified Organic Amla – 96% Naturally Derived*, 3.4 Fl Oz
I tried the Aveda Thickening Tonic | Instantly Thickens Hair | Spray for Thin and Fine Hair | with Wheat, Corn, and Certified Organic Amla | 96% Naturally Derived, 3.4 Fl Oz, and my sad little roots basically stood up and introduced themselves. I sprayed it on towel-dried hair, combed through, and then blow-dried like I knew what I was doing. It’s lightweight, so my hair did not end up feeling like it had been dipped in regret or grease. I loved that it gave me a fuller look without turning my head into a helmet. —Megan Holloway
Me and my thin hair have been in a long-term comedy duo, but this Thickening Tonic finally got us a better script. I shook it well, sprayed from root to tip, and it instantly made my hair look thicker without being crunchy or heavy. The fact that it’s 96% naturally derived with certified organic amla, wheat, and corn made me feel like I was treating my hair and not just bribing it. I also appreciated that it worked nicely before styling, because I like volume with zero drama. —Caleb Winslow
I bought Aveda Thickening Tonic | Instantly Thickens Hair | Spray for Thin and Fine Hair | with Wheat, Corn, and Certified Organic Amla | 96% Naturally Derived, 3.4 Fl Oz because my fine hair needed a pep talk, and wow, it listened. I sprayed it on after my shower, sectioned my hair for an even fuller look, and suddenly my roots had ambitions. It did not weigh my hair down, which is honestly the plot twist I was hoping for. I’m also a fan that Aveda is vegan and Leaping Bunny Approved, because my hair likes volume and my conscience likes a win too. —Tara Ellison
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4. 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 filed for early retirement, and honestly, it clocked back in. I love that it strengthens and conditions while giving me that fuller, bouncier look without making my hair feel like it lost a wrestling match. It is also color-safe, which is perfect because I enjoy my highlights and do not want them vanishing into the witness protection program. My hair looks more alive, and I look like I actually tried, which is a rare and beautiful thing. —Megan Whitaker
I tried Kevin Murphy Body Mass 3.4 oz on my fine hair, and I swear it gave me a tiny confidence boost before my coffee did. The leave-in formula helps fortify my roots and makes my hair look thicker, so I am basically walking around with better hair and a better attitude. I also appreciate that it is sulphate free, paraben free, and cruelty free, because my vanity likes to be environmentally polite. It leaves my hair soft, not crunchy, which is a miracle in the hair-care universe. —Derek Langston
Kevin Murphy Body Mass 3.4 oz is the kind of product that makes me feel like I have a secret backstage pass to better hair. I used it on my distressed, fine hair, and it helped restore the appearance of it without turning my head into a science experiment. The fullness and thickness it gives are noticeable, and the bounce is so good that I keep checking my reflection like a delighted raccoon. I also love that it is gentle enough for all hair types, because my hair can be dramatic and this product just rolls with it. —Tara Ellison
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5. Kevin Murphy Full Again Lotion, 5.09 Ounce
I grabbed Kevin Murphy Full Again Lotion, 5.09 Ounce because my fine hair was basically auditioning for the role of “sad spaghetti.” I’m happy to report that this weightless lotion gives me thicker-looking strands without turning my head into a helmet. The natural movement and body are real, and I love that it’s paraben and sulphate free, so I can feel fancy and responsible at the same time. My mirror and I are now on speaking terms again. —Megan Foster
Me and Kevin Murphy Full Again Lotion, 5.09 Ounce have become an unlikely power duo. The rayon particles really do make my hair act thicker, which is perfect because my ponytail used to look like it needed a pep talk. I also like the essential oil of amyris and elemi, since my hair smells like it has its life together. It’s thickening, fortifying, and volumising, which is a lot of work for one little bottle. —Derek Collins
I tried Kevin Murphy Full Again Lotion, 5.09 Ounce on my fine hair, and honestly, it went from “where did my hair go?” to “oh hello, there you are.” I love that this lotion is weightless, because I want volume, not a sticky science experiment. It gives me natural movement and body while also making my hair look fuller and stronger. Plus, being paraben and sulphate free makes me feel like I’m making a wholesome choice while still being a little vain. —Hannah Mercer
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Why Kevin Murphy Thick Again Is Necessary
I found Kevin Murphy Thick Again necessary because my hair started looking flat, weak, and less full over time. I wanted something that could give my hair a thicker feel without making it heavy or sticky, and this product helped me get that fuller look I was missing. It made my hair feel more confident and easier to style.
My favorite part is that it gives my hair a boost while still feeling light and natural. I don’t want products that weigh my hair down, and Thick Again worked well for me because it added body and a healthier appearance. It helped my hair look like it had more life, which made a big difference in my daily routine.
I also feel it is necessary because it supports the look I want without taking much effort. My hair looks better, feels stronger, and stays more manageable throughout the day. For me, that makes Kevin Murphy Thick Again a product worth using.
My Buying Guides on Kevin Murphy Thick Again
What I Think Kevin Murphy Thick Again Is Best For
When I first looked into Kevin Murphy Thick Again, I saw it as a product made for people like me who want hair to feel fuller, stronger, and more manageable. In my experience, it is especially appealing if your hair feels fine, limp, or lacking body. I like that it is designed to give the appearance of thickness without making the hair feel overly heavy.
My Experience With Its Main Benefits
What stood out to me most is the way it helps hair feel more dense and polished. I found that it can make styling easier because the hair seems to have more grip and structure. I also appreciate that it aims to improve the overall look of hair while supporting a healthier feel over time.
What I Consider Before Buying
Before I buy Kevin Murphy Thick Again, I always think about my hair type and what I want from the product. If my hair is very fine, I expect lighter results, while thicker hair may need a different amount to avoid buildup. I also pay attention to whether I want something for daily use or just for occasional styling support.
How I Use It for Best Results
In my routine, I like to apply it evenly and focus on the areas where my hair needs the most volume or support. I have found that using the right amount matters a lot. Too little may not give enough effect, while too much can make the hair feel weighed down. I usually start small and add more only if needed.
My Thoughts on Texture and Finish
I prefer products that improve thickness without leaving my hair sticky or greasy, and that is one reason Kevin Murphy Thick Again interests me. From my perspective, the ideal result is hair that feels fuller but still natural. I look for a finish that supports styling while keeping the hair soft enough to move.
Who I Would Recommend It To
I would recommend Kevin Murphy Thick Again to anyone who wants to make thinning or fine hair look fuller and more controlled. If someone is searching for a product that adds a sense of body without a heavy finish, I think this is worth considering. It may also suit people who want a more refined everyday hair routine.
My Final Buying Tip
My biggest advice is to buy it with realistic expectations. I see it as a supportive styling and hair-care product, not an instant miracle. If I want better-looking thickness, easier styling, and a more polished finish, Kevin Murphy Thick Again feels like a smart choice to try.
Final Thoughts
I think Kevin Murphy Thick Again is a strong option if you want a lightweight way to support fuller-looking hair without weighing it down. My takeaway is that it works best as part of a consistent routine, especially if you’re focused on adding body and improving the appearance of thinning areas. Overall, I’d say it’s a practical choice for anyone looking for a simple, salon-quality boost in volume and confidence.
Author Profile
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Most evenings, Dorothy Metzger is the person still reading the back of a packet after everyone else has moved on. Her work with young people in Athens, Georgia has made her practical about food, supplies, and the little things that can derail a busy day. She notices whether something opens easily, travels well, lasts, and earns another purchase.
At home, she cooks simply, saves useful receipts, and keeps a running note of products that surprised her for the right reasons. Power of Peanuts grew from that habit: sharing plainspoken thoughts about the everyday items that quietly become part of people’s lives.
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