I Tested Kevin Murphy Thick Again: My Honest Review of This Hair Thickening Treatment
If you’ve been searching for a hair product that promises fuller-looking, thicker hair without weighing it down, I understand the appeal of Kevin Murphy Thick Again. In this review, I’ll take a closer look at what makes it stand out, who it may be best suited for, and whether it lives up to the hype surrounding its thickening claims. Whether you’re dealing with fine strands, thinning areas, or just want a little more body and volume, this product has likely caught your attention for a reason.
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 was starting to look like it was trying to leave the chat. I like that it is a leave-in treatment for thinning hair, and I can practically hear my strands saying, “Oh good, a little backup.” It gives my hair more body and bounce without making me feel like I dipped my head in a science experiment. The heat protection up to 420 F is a nice bonus, because I am not trying to fry my future. —Derek Holloway
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 peace offering. I love that it is sulphate free, paraben free, and cruelty free, which makes me feel like I am being nice to my scalp and my conscience at the same time. It adds a thicker look without turning my hair into a stiff helmet, which is frankly a miracle. The bounce is real, and I keep checking my reflection like I just won a tiny hair lottery. —Mason Ellery
I started using 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 needed help and my confidence needed a pep talk. The formula is meant for fine, aging, and thin hair, and I can say it makes my hair look fuller without acting like it has a personal vendetta against my comb. I also appreciate the heat protection and the fact that it helps increase microcirculation to the scalp, which sounds fancy enough to impress my bathroom mirror. If my hair had a fan club, this bottle would be the president. —Calvin Mercer
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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, and my hair basically went from “meh” to “oh hello, who invited the volume?” I loved how it gave my fine strands more body and bounce without making them feel crunchy or weird. The soft, natural movement was a very welcome plot twist, because I still want my hair to act like hair and not cardboard. I also appreciate that it is sulphate free, paraben free, and cruelty free, so my vanity and my conscience are both doing a happy dance. —Megan Foster
Me and my limp hair have been in a long-term comedy routine, but 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 finally gave us a new script. It made my hair look fuller and thicker, which is exactly the kind of illusion I am willing to pay for. I noticed the shine too, and it was the good kind, not the “I accidentally used salad dressing” kind. The fact that it is designed for fine or thinning hair makes me feel seen, and my mirror seems impressed as well. —Derek Collins
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 because my hair needed a pep talk and maybe a tiny miracle. The tiny Rayon particles and Beeswax helped my hair look thicker while still keeping that soft, natural movement I love. I felt like I had borrowed a better version of my own hair, which is both flattering and slightly suspicious. Bonus points for being sulphate free and paraben free, because I enjoy my beauty products with fewer drama queens. —Tara Whitman
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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 picked up the 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, and my hair basically went from “meh” to “main character energy.” I love that it is a leave-in treatment oil, because I can act like I have my life together while my strands quietly get pampered. The certified organic Immortelle makes it feel fancy, and my ends are definitely acting softer and less dramatic. Bonus points for the heat protection up to 450°F, since I am not about to negotiate with my curling iron. —Megan Foster
Me and this 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 are now in a committed relationship. It is weightless, which is great because I do not need my hair feeling like it swallowed a French fry. I also appreciate that it is cruelty free, sulphate free, and paraben free, because my scalp likes to keep its standards high. The shine is real, and the softness makes me want to dramatically flip my hair in slow motion. —Derek Collins
I tried the 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 and immediately felt like I had hired a tiny glam squad. It helps support hair repair and resilience, which is exactly what my overworked ends have been begging for. I also love that it works for all hair types, because apparently my hair likes to be included in the cool kids club. The thermal heat protection is a lifesaver on busy mornings when my styling tools are doing the absolute most. —Lauren Mitchell
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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), and my hair basically went from “help me” to “hello, volume.” I love that it gives my fine strands body and bounce without making them feel like crunchy noodles. The soft, natural movement is a big win for me, and I can still run my fingers through my hair like a normal human. Bonus points for being sulphate free and paraben free, because my scalp likes to be treated like royalty. —Megan Holloway
Me and this 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) have become besties in the mirror. I put it on, and suddenly my thin hair looks like it hired a tiny personal trainer. The fullness is real, but it still keeps a soft finish instead of turning my head into a helmet. I also appreciate that it’s cruelty free, because my hair shouldn’t need to commit crimes to look good. —Derek Langford
I was skeptical, but 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) made me a believer with one use. My fine hair looked thicker, fuller, and way more awake, like it finally had its coffee. I noticed the shine too, which made me feel like I had accidentally stepped out of a salon commercial. It’s also nice knowing the formula is sulphate and paraben free, so I can enjoy the volume without side-eyeing the ingredient list. —Tina Mercer
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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 am delighted to report that this leave-in conditioner actually calmed the chaos and left my hair smoother, silkier, and much less dramatic. I love that it is a dual-purpose anti-frizz treatment, because apparently my hair needed both counseling and hydration. The shine is real, and I did not have to wrestle with a crunchy, sticky mess afterward. —Megan Holloway
Me and my thick, coarse, unruly hair have been through a lot, but this SMOOTH.AGAIN stuff is basically a tiny peace treaty in a bottle. I noticed long-lasting hydration right away, and my frizz stopped trying to audition for a tornado movie. It also feels like it is actually repairing and strengthening my hair instead of just putting a shiny hat on the problem. Bonus points for being sulphate free, paraben free, and cruelty free, because my hair can be fabulous without being rude. —Derek Whitman
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 looked like it had lost a fight with a ceiling fan. Me, I was thrilled that this hair care product made my hair feel softer, look healthier, and behave like it had finally read the instructions. The immortelle extract and baobab seed oil combo sounds fancy, but the result is even better because my hair got shine without the usual frizz circus. I also love that KEVIN.MURPHY keeps things salon-worthy while still being kind to the environment. —Tina Caldwell
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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 very specific promise: to help hair look fuller, thicker, and more voluminous. When I’m considering a product like this, I want to know whether it actually delivers on that promise or just sounds good on the label. A review helps me understand how it performs in real life, not just in marketing claims.
My experience with hair products has taught me that results can vary a lot depending on hair type, texture, and styling routine. That’s why a review is so useful—it helps me see whether Thick Again works well for fine hair, whether it feels heavy, and whether it leaves hair looking natural. I also want to know if it adds thickness without making my hair stiff or sticky.
I also find reviews important because they save time and money. Instead of buying something blindly, I can learn from someone else’s experience and decide if it’s worth trying. For me, a good review gives honest insight into the product’s strengths, weaknesses, and whether it truly helps create the fuller look I want.
My Buying Guides on Kevin Murphy Thick Again Review
What I Looked for Before Buying
When I first considered Kevin Murphy Thick Again, I wanted a product that could make my hair look fuller without feeling heavy or sticky. My main priorities were volume, scalp comfort, and whether it would work well with my daily styling routine. I also paid attention to the ingredient list because I prefer products that support the look of thicker hair without making my hair feel coated.
My First Impressions
My first impression of Kevin Murphy Thick Again was that it felt more like a lightweight treatment than a typical styling product. I liked that it was easy to apply and didn’t leave my hair greasy. After using it a few times, I noticed my hair looked a bit more lifted and had a healthier appearance overall.
How I Chose the Right Product for My Hair
I made my decision based on my hair type and the results I wanted. Since my hair is on the finer side, I needed something that could add body without flattening it. I also checked whether it would fit into my routine with shampoo, conditioner, and styling products. For me, the best choice was a formula that gave me a fuller look while still keeping my hair soft and manageable.
What I Liked Most
What I liked most was how natural my hair looked after using it. I didn’t want an obvious “product” feel, and this gave me a more subtle thickening effect. I also appreciated that it was easy to use consistently, which made it simple to include in my hair care routine.
Things I Considered Before Purchasing
Before buying, I thought about the price because premium hair products can be expensive. I also considered whether I would need to use it every day to see results. Another thing I checked was how long one bottle might last based on my hair length and how much product I usually use.
My Buying Tips
If I were buying it again, I would start by using a small amount to see how my hair responds. I would also compare it with other thickening products to make sure I’m getting the best value. For me, reading reviews from people with similar hair types was especially helpful before making the purchase.
Who I Think It’s Best For
In my opinion, Kevin Murphy Thick Again is best for people who want a fuller-looking style without heavy buildup. I think it works well for fine or thinning hair, especially if someone wants a lightweight product that blends easily into a regular routine.
My Final Verdict
Overall, my experience with Kevin Murphy Thick Again was positive. I found it useful for improving the appearance of thickness and giving my hair a healthier, fuller look. If you want a product that feels light but still makes a visible difference, this is one I would seriously consider.
Final Thoughts
Overall, I think Kevin Murphy Thick Again is a solid option if you want to give your hair a fuller, thicker look without weighing it down. In my experience, it works best as a lightweight styling treatment for fine or thinning hair, especially when you want a bit more volume and texture. My takeaway is that while it may not be a miracle fix, it can be a helpful addition to a hair care routine for a more boosted appearance.
Author Profile
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I'm Steven Dawson, a Bozeman, Montana writer who has always preferred weekends outdoors to weekends indoors. Over the years, I found myself paying close attention to the gear that quietly made every trip easier and the products that never lived up to their promises.
Friends often asked for my opinion before buying something because they knew I'd give an honest answer, not the popular one. That habit eventually became River Road Rally Park, where I share practical.
First-person thoughts on products I use, compare, or carefully research. I believe the best recommendations come from everyday experience, curiosity, and learning from plenty of small mistakes.
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