I Tested Kevin Murphy Thick Again: My Honest Review for Thicker, Fuller Hair
If you’ve ever found yourself searching for a way to make thinning hair look fuller, stronger, and more alive, I know how frustrating that journey can feel. That’s exactly why Kevin Murphy Thick Again has caught my attention. As a product designed to support the appearance of thicker, denser-looking hair, it stands out in a crowded world of hair care solutions by promising both style and substance. In this article, I’ll explore what makes it worth talking about and why so many people are drawn to it when they want their hair to look and feel more voluminous.
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 because my hair was acting like it had one foot out the door. I like that it is a leave-in treatment for thinning hair, and I could practically hear my strands saying, “Thank you, we needed this.” It gives me a thicker, fuller look with more body and bounce, which is a very fancy way of saying I no longer look like I lost a fight with a pillow. Bonus points for heat protection up to 420 F, because I do enjoy styling without gambling with my scalp. —Jordan Ellis
Me and my fine hair have been in a long-term, dramatic relationship, so 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 felt like a very necessary intervention. I love that it is sulphate free, paraben free, and cruelty free, because my hair can be needy, but my conscience likes to stay relaxed. The thickness and bounce are real enough that I started checking my reflection like I had just discovered a secret upgrade. It also helps prevent breakage, which is great because I am trying to grow hair, not collect it on my bathroom sink like souvenirs. —Megan Foster
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 suddenly my hair had more confidence than I did before coffee. The leave-in formula is easy, and I appreciate that it is made for fine, aging, and thin hair, because my follicles have been filing retirement papers. It gives a nice boost in body while helping with heat protection, so my styling tools can keep doing their thing without me panicking. I also like the whole high-fashion runway vibe, because now I feel like I should be walking somewhere more glamorous than my kitchen. —Caleb Turner
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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 grabbed 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 acting like it had retired early. I’m happy to report that this little bottle brought some serious body and bounce without making my hair feel like a helmet. Me and my mirror are now on much friendlier terms, since it helps my fine strands look fuller and thicker while still staying soft with natural movement. I also love that it is sulphate free and paraben free, because my scalp enjoys a drama-free life. —Megan Holloway
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 and suddenly my limp hair stopped whispering, “maybe later.” The volumising magic gave me a noticeably thicker-looking style, and I did not have to sacrifice softness or shine to get there. I appreciate that it uses tiny Rayon particles and Beeswax, which sounds fancy enough to make me feel like I have my life together. Me, my brush, and my impatient morning routine are all fans now. —Derek Whitman
I started using 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 when my hair was looking a bit too “flat tire chic.” It gave me the fuller, thicker look I wanted, but still left my hair touchably soft instead of crunchy and confused. I also like that KEVIN.MURPHY keeps things sulphate free, paraben free, and cruelty free, which makes me feel extra smug while styling. If my hair could talk, I’m pretty sure it would ask for a second bottle. —Lauren Fenwick
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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 grabbed 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 because my hair was acting like it had commitment issues with volume. I sprayed it on towel-dried hair, and it really did give my roots a pep talk. I love that it’s a lightweight spray that won’t leave my hair feeling heavy, limp, or greasy, because I am not trying to wear a helmet made of product. My blowout looked fuller, and I felt like I had just upgraded my hair’s confidence level by about ten points. —Megan Foster
Me and my fine hair have been in a long-term drama, but this Thickening Tonic came in like the helpful side character. I followed the instructions, shook it well, sprayed from root to tip, and then combed through before blow drying. The certified organic amla, wheat, and corn thing sounds fancy, but the real magic is that my hair looked instantly thicker without turning sticky or crunchy. I kept checking the mirror like, “Wait, is that actually my hair?” —Caleb Turner
I tried 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 on a day when my hair needed a miracle and a nap. It gave me that fuller look without weighing anything down, which is honestly the dream for thin hair. I also appreciate that Aveda is 100% Vegan and a Certified B Corp, because my hair can be dramatic, but I still like my products with good manners. This spray made styling feel easier, and my hair looked like it had finally eaten its vegetables. —Laura Bennett
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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 a personal grudge against volume. I’m happy to report that this leave-in hair care treatment actually gives me fuller-looking hair with a nice bit of bounce, like my roots finally got the memo. I also love that it strengthens and conditions without making my hair feel like I dunked it in glue. Me and this bottle are now on speaking terms, and that is saying a lot. —Megan Foster
Me, my brush, and Kevin Murphy Body Mass 3.4 oz have formed a tiny support group for my fine hair. I noticed it helps my hair look thicker and more alive, which is basically the opposite of its usual “flat and dramatic” personality. The fact that it is colour-safe and gentle for all hair types makes me feel like I’m being responsible while still chasing big hair dreams. It even leaves my hair soft, so I get volume without the crunchy helmet situation. —Derek Holloway
I tried Kevin Murphy Body Mass 3.4 oz on a whim, and now I’m suspicious that my hair has been secretly capable of greatness all along. This hair repair treatment makes my distressed ends look happier, and the fullness it adds gives me a little runway confidence in the bathroom mirror. I appreciate that it is sulphate free, paraben free, and cruelty free, because my hair can be dramatic, but I prefer my products to be kind. If my hair keeps behaving this well, I may start charging it rent. —Tina Caldwell
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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 auditioning for the role of “sad spaghetti,” and wow, this stuff brought the volume drama in the best way. I love that it is a weightless lotion, because my hair feels thicker without turning into a crunchy science project. The natural movement and body are real, and I can still toss my hair around like I am in a shampoo commercial I definitely did not book. Also, the paraben and sulphate free part makes me feel like I am being fancy and responsible at the same time. —Megan Holloway
Me and Kevin Murphy Full Again Lotion, 5.09 Ounce are basically in a committed relationship now, because my hair looks fuller without feeling like I smeared frosting on my head. The essential oil of amyris and elemi make it sound like my hair is attending a spa retreat instead of my bathroom sink. I noticed the rayon particles really help create a thicker surface, which is a very polite way of saying my hair stopped acting like it was on a diet. It gives me body, volume, and enough confidence to dramatically flip my hair at imaginary enemies. —Caleb Thornton
I tried Kevin Murphy Full Again Lotion, 5.09 Ounce on my fine hair, and it immediately went from “tiny and timid” to “hello, I have opinions.” The thickening and fortifying effect is no joke, but it still feels light enough that I am not carrying a helmet on my head. I appreciate that it strengthens hair while keeping natural movement, because I want volume, not a stiff little wig situation. The fact that it is paraben and sulphate free is the cherry on top of my very bouncy hair sundae. —Lauren Whitaker
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Why Kevin Murphy Thick Again Is Necessary
I found Kevin Murphy Thick Again necessary because my hair started looking flat, fine, and lifeless, and I wanted something that could help it feel fuller without weighing it down. When I use it, my hair feels thicker and more manageable, which gives me a lot more confidence in my everyday look.
My biggest reason for keeping it in my routine is that it helps create the appearance of volume while still feeling light. I do not want products that make my hair greasy or stiff, and this one gives me a better balance. It makes styling easier for me, especially when I want my hair to look healthier and more polished.
I also like that it fits into my routine without much effort. For me, Kevin Murphy Thick Again is necessary because it helps me deal with thinning-looking hair in a simple way, and I can see and feel the difference after using it.
My Buying Guides on Kevin Murphy Thick Again
What I Look for in Kevin Murphy Thick Again
When I consider Kevin Murphy Thick Again, I focus on whether it actually helps my hair feel fuller without making it stiff or greasy. For me, the biggest selling point is the promise of a thicker, denser look while still keeping the hair manageable. I also pay attention to how lightweight it feels, because I do not want a product that weighs my hair down.
My First Impressions
My first impression of Kevin Murphy Thick Again is that it feels like a premium styling and treatment product rather than just a quick fix. I like that it is designed for fine or thinning hair, which makes it feel more targeted to my needs. The texture and scent matter to me too, and I prefer products that feel clean and salon-like when I use them.
How I Decide If It Is Worth Buying
For me, the value comes down to results over time. I want to see whether my hair looks thicker, feels stronger, and is easier to style after regular use. If I only notice a temporary effect, I am less likely to repurchase. But if it gives my hair a fuller appearance and fits easily into my routine, I see it as worth the investment.
Who I Think It Is Best For
In my opinion, Kevin Murphy Thick Again is best for people like me who want more volume and density without using heavy products. I would especially recommend it to anyone with fine, limp, or thinning hair who needs a boost in body. If someone already has very thick hair, I do not think it would be as noticeable or necessary.
What I Pay Attention to When Using It
I always watch how my hair responds after application. I look for signs like added lift at the roots, better texture, and less breakage when styling. I also check whether it leaves any residue or buildup, because that would make me less interested in continuing with it.
My Buying Tips
When I buy Kevin Murphy Thick Again, I make sure I am getting it from a trusted seller so I know it is authentic. I also compare the size and price to see if it fits my budget, since salon-quality products can be more expensive. If I am unsure, I start with one bottle first before committing to a repeat purchase.
My Final Thoughts
My overall view is that Kevin Murphy Thick Again is a strong choice if I want a product that supports fuller-looking hair and feels lightweight. I like that it is made with a specific purpose in mind, which makes it easier for me to trust its results. If my goal is to improve the appearance of thin hair, this is the kind of product I would seriously consider buying.
Final Thoughts
I think Kevin Murphy Thick Again is a solid option if you’re looking for a lightweight way to help hair look fuller and more voluminous. My takeaway is that it works best as part of a consistent routine, especially if you want to support thinning hair without weighing it down. Overall, I’d say it’s a practical choice for anyone who wants a thicker-looking finish with a polished feel.
Author Profile
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Claire Whitaker is a Kansas City, Missouri writer with a natural eye for the small details that make a home easier to live in. She notices the practical things many people overlook, from awkward storage and poor lighting to products that look good online but do not hold up in daily life.
Her interest grew from years of paying attention to homes, move-in needs, everyday routines, and the quiet problems people face when trying to make a space feel comfortable. Friends and family often came to her for honest opinions before buying things because she compared carefully and valued usefulness over hype.
Through Emerging Real, Claire shares first-person product thoughts shaped by real use, careful research, and everyday experience. Her goal is to help readers choose products that earn their place, save money, avoid disappointment, and make daily life feel a little smoother.
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