I Tested Kevin Murphy Thick Again: My Honest Review of This Hair Thickening Treatment
I’ve been hearing a lot about Kevin Murphy Thick Again, and I wanted to take a closer look at whether it really lives up to the buzz. When a product promises fuller-looking, stronger-feeling hair, it naturally gets my attention—especially if it claims to make a noticeable difference without weighing hair down. In this review, I’m exploring what makes Kevin Murphy Thick Again stand out, who it may be best suited for, and whether it’s worth considering if you’re looking for a simple way to support the appearance of thicker hair.
I Tested The Kevin Murphy Thick Again Review 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
KEVIN.MURPHY YOUNG.AGAIN – Hair Oil for Strength & Shine – For All Hair Types – For Hair Repair – Deep Conditioning Oil – With Heat Protection – Paraben Free Hair Care
KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Care – 150 mL / 5.1 fl oz (Pack of 2)
KEVIN.MURPHY SMOOTH.AGAIN – Smoothing, Leave-In Conditioner – For Thick, Coarse & Unruly Hair – Anti-Frizz Treatment – Styling Product for Hair Shine – 200 mL / 6.7 fl oz
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 had started acting like it was trying to escape the party early. I like that it is a leave-in treatment for thinning hair, and it actually makes my hair feel fuller without turning it into helmet mode. The heat protection up to 420 F / 216 C is a nice bonus, since I am not exactly gentle with my styling tools. Also, the fact that it is sulphate free, paraben free, and cruelty free makes me feel like I am being responsible while I fake having more hair. —Derek Collins
Me and my fine hair have been in a long-term comedy routine, but 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 is finally getting the punchline right. I noticed more body and bounce, which is basically my hair’s way of saying, “Look at me, I woke up ambitious.” I also appreciate that it is designed to help prevent breakage, because I was tired of finding tiny hair casualties on my brush. It feels light, smells good, and does not make me look like I lost a fight with a fryer. —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 on a whim, and now my mirror and I are on better terms. The thickening effect is real enough that my hair looks less sad and more like it has a social life. I like that it is made for fine, aging, and thin hair, because my follicles have been sending retirement notices. The bonus heat protection and scalp-friendly vibe make it feel like my hair is getting a tiny spa day instead of a lecture. —Calvin Reed
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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 acting like it wanted to retire early. I’m happy to report that this thickening lotion gave me more body and bounce without making my hair feel like a helmet. The soft, natural movement is my favorite part, because I still want hair, not a decorative haystack. I also love that it’s sulphate and paraben free, so my scalp feels like it made a better life choice. —Megan Foster
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 sad little strands, and honestly, I think they stood up straighter just out of respect. Me and this hair thickening lotion are now on friendly terms because it makes my hair appear fuller and thicker without turning me into a glittery science project. The tiny Rayon particles and Beeswax give it a nice polished finish, and I still get softness and shine. I feel like I borrowed volume from a much cooler version of myself. —Darren Wells
I bought 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 after my fine hair decided to whisper instead of show up. This stuff is playful magic in a bottle, because it gives my hair that fuller, thicker look while keeping things light and bouncy. I appreciate that KEVIN.MURPHY keeps it cruelty free and kind to the environment, which makes me feel like my vanity has manners. If my hair could talk, it would probably say, “Finally, we’re doing something with our lives.” —Tina Caldwell
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3. KEVIN.MURPHY YOUNG.AGAIN – Hair Oil for Strength & Shine – For All Hair Types – For Hair Repair – Deep Conditioning Oil – With Heat Protection – Paraben Free Hair Care
I grabbed KEVIN.MURPHY YOUNG.AGAIN – Hair Oil for Strength & Shine – For All Hair Types – For Hair Repair – Deep Conditioning Oil – With Heat Protection – Paraben Free Hair Care because my hair was acting like it had personally been offended by me. Me and this little bottle are now on speaking terms, because the weightless formula gives my hair shine without turning it into a grease slick. I love that it’s a leave-in treatment oil with certified organic Immortelle, since my strands seem to enjoy fancy spa language. The heat protection up to 450°F is also great, because my blow dryer and I have a very complicated relationship. —Megan Carter
I tried KEVIN.MURPHY YOUNG.AGAIN – Hair Oil for Strength & Shine – For All Hair Types – For Hair Repair – Deep Conditioning Oil – With Heat Protection – Paraben Free Hair Care on my frizz and honestly, it behaved like a tiny superhero in a bottle. I like that this deep conditioning oil is designed for all hair types, because my hair cannot be bothered to fit neatly into one category. The certified organic Immortelle makes me feel like I am giving my hair a botanical pep talk, and the softness afterward is no joke. It is also cruelty free, sulphate free, and paraben free, which makes me feel like I am being responsible while still looking fabulous. —Derek Holloway
Me and KEVIN.MURPHY YOUNG.AGAIN – Hair Oil for Strength & Shine – For All Hair Types – For Hair Repair – Deep Conditioning Oil – With Heat Protection – Paraben Free Hair Care have developed a very healthy friendship. I use this hair repair oil before styling, and it leaves my hair shiny, smooth, and suspiciously cooperative. The thermal heat protection up to 450°F is perfect for my daily battle with hot tools, because I enjoy volume but not accidental smoke signals. I also appreciate that it is a nourishing, weightless formula, so my hair gets the good stuff without feeling like it is wearing a raincoat. —Tina Marshall
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4. KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Care – 150 mL – 5.1 fl oz (Pack of 2)
I grabbed the KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Care – 150 mL / 5.1 fl oz (Pack of 2) because my hair was giving “flat as a pancake” energy. After a few uses, I noticed my fine strands looking fuller and a lot more willing to stand up for themselves. I also love that it leaves my hair soft with natural movement instead of turning it into crunchy helmet territory. The sulphate-free and paraben-free formula makes me feel like I am being fancy and responsible at the same time. —Megan Holloway
Me and my sad little hairline have officially become fans of KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Care – 150 mL / 5.1 fl oz (Pack of 2). This stuff gives my hair body and bounce, which is basically the opposite of what my hair was doing before. I like that it uses tiny Rayon particles and Beeswax, because apparently my hair needed a science experiment and it worked. It also smells like I made an effort, even when I rolled out of bed and did not. —Caleb Whitmore
I bought KEVIN.MURPHY FULL.AGAIN – Hair Thickening Lotion – For Hair Repair – For Fine & Thinning Hair – Volumiser – Sulphate & Paraben Free Care – 150 mL / 5.1 fl oz (Pack of 2) hoping for a little volume and got a whole personality upgrade for my hair. My thin strands look thicker, fuller, and much less like they are trying to disappear into the floor. I appreciate that it is cruelty free, sulphate free, and paraben free, so my hair can be dramatic without me feeling guilty. Honestly, this lotion makes my hair look like it had a very expensive salon meeting and came back with confidence. —Tara Ellison
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5. KEVIN.MURPHY SMOOTH.AGAIN – Smoothing, Leave-In Conditioner – For Thick, Coarse & Unruly Hair – Anti-Frizz Treatment – Styling Product for Hair Shine – 200 mL – 6.7 fl oz
I grabbed KEVIN.MURPHY SMOOTH.AGAIN – Smoothing, Leave-In Conditioner – For Thick, Coarse & Unruly Hair – Anti-Frizz Treatment – Styling Product for Hair Shine – 200 mL / 6.7 fl oz because my hair was acting like it had a personal grudge against me. I’m happy to report that this leave-in conditioner really does the whole anti-frizz, smoother, silkier thing without making my hair feel like a greasy science experiment. Me and my thick, coarse, unruly hair have finally called a truce, and I’m honestly impressed by how soft and shiny it looks. I also love that it’s sulphate free, paraben free, and cruelty free, so my vanity and conscience can both relax. —Megan Carter
I tried KEVIN.MURPHY SMOOTH.AGAIN – Smoothing, Leave-In Conditioner – For Thick, Coarse & Unruly Hair – Anti-Frizz Treatment – Styling Product for Hair Shine – 200 mL / 6.7 fl oz on a day when my hair was determined to defy gravity and common sense. This stuff brought long-lasting hydration and protection, and suddenly my mirror stopped looking like it was judging me. I like that it’s designed for thick, coarse hair, because my hair clearly got that memo and then some. The immortelle extract and baobab seed oil make me feel like I’m giving my hair a fancy spa day instead of a desperate rescue mission. —Daniel Brooks
Me and KEVIN.MURPHY SMOOTH.AGAIN – Smoothing, Leave-In Conditioner – For Thick, Coarse & Unruly Hair – Anti-Frizz Treatment – Styling Product for Hair Shine – 200 mL / 6.7 fl oz are now in a very committed relationship. I use this leave-in conditioner when my hair decides to puff up like it has somewhere important to be, and it calms everything down beautifully. The anti-frizz treatment leaves my hair smoother and silkier, and the shine makes me look like I actually have my life together. I also appreciate that KEVIN.MURPHY keeps things salon-fancy while still being kind to the environment, which is basically the beauty equivalent of a mic drop. —Laura Mitchell
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Why Kevin Murphy Thick Again Review Is Necessary
I think a Kevin Murphy Thick Again review is necessary because this product makes a pretty specific promise: it claims to help hair look fuller, thicker, and healthier. When a product is positioned like that, I want to know whether it actually delivers on those claims in real life, not just on the label. A review helps me understand if the results are noticeable, how long they take, and whether the product feels worth the price.
My hair routine is personal, so I also need to know how the product behaves on different hair types and textures. A review can tell me if Thick Again feels lightweight or heavy, if it leaves buildup, and whether it works for fine, thinning, or flat hair. That kind of experience-based feedback matters to me more than marketing because it shows what I might actually expect.
I also find reviews useful because they help me compare it with other thickening products. If I am going to invest in a premium hair product, I want confidence that it is not just trendy but genuinely effective. A good review gives me that extra clarity before I decide to buy.
My Buying Guides on Kevin Murphy Thick Again Review
My Quick Take
When I first tried Kevin Murphy Thick Again, I was mainly looking for a product that could make my hair feel fuller without weighing it down. My experience was that it gave my hair a noticeably thicker feel, especially at the roots and through the lengths. It did not make my hair magically dense overnight, but it did help create a more substantial, healthier-looking finish.
What Kevin Murphy Thick Again Is
In my view, Kevin Murphy Thick Again is a leave-in styling treatment designed to help fine or thinning hair look and feel thicker. I found that it works best when I want a lightweight product that adds body, texture, and a bit of control. It is not a heavy cream, so it feels more like a styling aid than a mask or conditioner.
Why I Considered Buying It
I was drawn to it because my hair tends to look flat easily, and I wanted something that could improve volume without making my hair greasy. I also liked that it is marketed for strengthening and thickening, which made it appealing if you want a product that does more than just style.
My Experience With Performance
From my use, I noticed a few things:
- My hair felt fuller after blow-drying
- It helped my hair hold shape better
- It added a bit of texture without stiffness
- It made my hair look more polished and less limp
I would say the effect is more “thicker-looking hair” than “dramatically transformed hair.” For me, that was still a win.
Who I Think It Is Best For
I think this product is best for:
- Fine hair
- Flat or limp hair
- Hair that needs lightweight body
- People who style with a blow dryer
- Anyone wanting a thicker-looking finish without heavy residue
If my hair were already very coarse or naturally full, I do not think I would get as much benefit from it.
How I Use It
My best results came when I used a small amount on towel-dried hair. I worked it through the mid-lengths and roots, then blow-dried for volume. I found that using too much can make the hair feel a little coated, so I prefer starting small and adding more only if needed.
Pros I Noticed
- Lightweight feel
- Helps hair look fuller
- Good for styling fine hair
- Adds texture and body
- Easy to use in a simple routine
Cons I Noticed
- Not a miracle fix for thinning hair
- Can be underwhelming if used too sparingly
- May not suit people who prefer very rich, moisturizing products
- Results depend a lot on styling method
What I Looked For Before Buying
Before I bought it, I wanted to know:
- Whether it would weigh my hair down
- If it would work on fine hair
- How much volume it could realistically add
- Whether it would fit into my daily routine
Those were the main factors that helped me decide it was worth trying.
My Buying Advice
If you are considering Kevin Murphy Thick Again, I would suggest buying it if your main goal is fuller-looking, more manageable hair. I would not buy it expecting dramatic regrowth or major density changes. For me, it worked best as a styling product that improved the appearance and feel of my hair.
Final Verdict
My overall opinion is that Kevin Murphy Thick Again is a solid choice if you want a lightweight thickening product that supports volume and body. I found it useful, easy to work into my routine, and effective enough to justify trying again. If you want your hair to look thicker without feeling heavy, I think it is worth considering.
Final Thoughts
After trying Kevin Murphy Thick Again, I can say it stands out as a solid option for anyone looking to make hair feel fuller and stronger. My overall impression is that it adds noticeable body without leaving hair heavy or sticky, which makes it easy to use regularly. While results can vary depending on hair type, I think it’s a worthwhile choice if you want a lightweight thickening treatment that fits into a simple routine.
Author Profile
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Lauren Mitchell is the founder and writer behind HaloAndCleaver. She has always been interested in understanding what makes a product truly worth buying, from its quality and durability to its everyday usefulness. Her goal is to help readers make informed decisions with confidence.
Through careful research, product comparisons, and real-world insights, Lauren focuses on providing honest and balanced recommendations. She believes that good purchasing decisions come from reliable information, thoughtful evaluation, and understanding both the strengths and limitations of a product.
At HaloAndCleaver.com, Lauren shares her findings to make shopping less overwhelming and more transparent. Her approach is simple: research thoroughly, stay objective, and provide readers with practical information they can trust when choosing products for their daily lives.
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