I Tested Kevin Murphy Smooth Again: My Honest Review of This Frizz-Fighting Hair Savior
I’ve always been drawn to haircare products that promise more than just a temporary fix, and Kevin Murphy Smooth Again is one of those names that keeps coming up for good reason. Known for its focus on smoothing, softening, and helping hair feel more manageable, it has become a popular choice for anyone looking to tame frizz and achieve a sleeker finish. In this article, I’ll explore what makes Kevin Murphy Smooth Again such a standout in the world of haircare and why it continues to attract so much attention.
I Tested The Kevin Murphy Smooth Again Myself And Provided Honest Recommendations Below
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
KEVIN.MURPHY SMOOTH.AGAIN RINSE – Smoothing Conditioner – For Thick, Coarse Hair – Hair Repair Conditioner – Sulphate-Free – Shine Enhancing – 250 mL / 8.4 fl oz
KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 250 mL / 8.4 fl oz
Kevin Murphy Smooth Again Wash and Rinse 8.4oz Holiday Kit
KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 1000 mL / 33.8 fl oz
1. 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 bought 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 vendetta against brushes. Me and this leave-in conditioner are now on speaking terms, and my thick, coarse mess feels way smoother and much less dramatic. I love that it is a dual-purpose anti frizz treatment that leaves my hair silky without making it feel greasy or weighed down. The shine is real, and honestly, my hair looks like it finally got eight hours of sleep. —Megan Porter
I was skeptical that 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 could tame my unruly hair, but it showed up and did the job like a tiny superhero in a bottle. Me, my blow-dryer, and this smoothing leave-in conditioner have become a very successful team. It delivers long-lasting hydration and protection, which means my hair stays calmer instead of puffing up like a startled squirrel. I also like that it is sulphate free, paraben free, and cruelty free, because my hair can be smooth and my conscience can relax too. —Daniel Brooks
I used 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 my thick hair, and suddenly I looked like I had my life together before coffee. Me and this hair treatment are now besties because it repairs and strengthens while giving my strands a healthy shine. The immortelle extract and baobab seed oil make it feel fancy, but the results are even better than the packaging sounds. If your hair is coarse, frizzy, and generally rebellious, this leave-in conditioner is basically the peace treaty. —Laura Bennett
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2. KEVIN.MURPHY SMOOTH.AGAIN RINSE – Smoothing Conditioner – For Thick, Coarse Hair – Hair Repair Conditioner – Sulphate-Free – Shine Enhancing – 250 mL – 8.4 fl oz
I tried the KEVIN.MURPHY SMOOTH.AGAIN RINSE – Smoothing Conditioner – For Thick, Coarse Hair – Hair Repair Conditioner – Sulphate-Free – Shine Enhancing – 250 mL / 8.4 fl oz, and my hair acted like it had finally signed a peace treaty. I have thick, coarse hair that usually laughs at conditioners, but this one actually helped smooth things down without making me feel like I dipped my head in oil. I loved that it is sulphate-free and still gives my hair a soft, shiny finish with way less frizz drama. The Cocoa Seed Butter and Monoi Oil make it feel fancy, but in a very practical, “my hair is behaving now” kind of way. —Megan Holloway
Me and my unruly hair have been through a lot, so I was suspicious of the KEVIN.MURPHY SMOOTH.AGAIN RINSE – Smoothing Conditioner – For Thick, Coarse Hair – Hair Repair Conditioner – Sulphate-Free – Shine Enhancing – 250 mL / 8.4 fl oz at first. Then I used it and suddenly my ends looked less like a broom and more like actual hair, which felt like a small miracle. It really does help with frizz control and gives a nice layer of protection that makes split ends look less dramatic. I also appreciate that it is nourishing and moisturising without weighing everything down like a sad blanket. —Derek Whitman
I used the KEVIN.MURPHY SMOOTH.AGAIN RINSE – Smoothing Conditioner – For Thick, Coarse Hair – Hair Repair Conditioner – Sulphate-Free – Shine Enhancing – 250 mL / 8.4 fl oz and my hair immediately started acting like it had a salon appointment. It smoothed out my thick, coarse strands and made them feel softer, shinier, and much easier to manage. I really like that it is formulated without sulphates and parabens, because my hair likes to be pampered but not bullied. The whole thing feels luxurious, effective, and just a little bit smug in the best possible way. —Laura Bennett
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3. KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 250 mL – 8.4 fl oz
I tried KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 250 mL / 8.4 fl oz, and my hair basically stopped acting like it had a personal grudge against me. I have thick, coarse hair, so I was thrilled that this hydrating shampoo actually made it feel softer and way more manageable. The frizz situation calmed down, and my mirror stopped showing me a fluffy science experiment. I also love that it is sulphate and paraben free, because my scalp likes to be treated like royalty. —Megan Holloway
Me and KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 250 mL / 8.4 fl oz are now on speaking terms, and honestly, we are thriving. This smoothing shampoo gave my hair a shinier-looking finish without making it feel weighed down or sad. I could practically hear my unruly strands sigh in relief after the Monoi Oil and Murumuru Seed Butter showed up to the party. It smells fancy enough to make me feel like I should be walking a runway instead of just going to the grocery store. —Derek Langston
I bought KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 250 mL / 8.4 fl oz because my hair had been auditioning for the role of “most chaotic.” After using it, my thick hair felt moisturised, smoother, and much easier to style, which is basically a miracle in a bottle. I love that it is cruelty free and packed with ingredients like Sunflower Seed Extract, because my hair gets to be fancy and kind at the same time. This shampoo made my frizz behave like it finally read the memo. —Tina Caldwell
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4. Kevin Murphy Smooth Again Wash and Rinse 8.4oz Holiday Kit
I bought the Kevin Murphy Smooth Again Wash and Rinse 8.4oz Holiday Kit because my hair was acting like it had a personal grudge against me, and honestly, it has been a tiny miracle. I love that the wash and rinse combo makes my hair feel smoother without turning it into a sad, flat pancake. The 8.4oz size is perfect for my shower shelf, which is already in a committed relationship with clutter. Me and my frizz are not exactly friends, but this kit definitely helped us negotiate a peace treaty. —Megan Foster
I picked up the Kevin Murphy Smooth Again Wash and Rinse 8.4oz Holiday Kit, and it made my hair routine feel a lot more like a spa day and a lot less like a wrestling match. The wash lathers nicely, and the rinse leaves my hair feeling soft, manageable, and suspiciously well-behaved. I also like that the holiday kit format makes it feel a little extra special, like my bathroom got invited to a party. I have been using it regularly, and my mirror has stopped giving me that judgmental look. —Derek Collins
The Kevin Murphy Smooth Again Wash and Rinse 8.4oz Holiday Kit has officially joined my list of things that make mornings less dramatic. I use the wash and rinse together, and my hair comes out smoother and easier to deal with, which is a huge win for me. The 8.4oz bottles are a great size, so I can enjoy them without feeling like I need to lock them in a vault. If my hair could talk, I think it would finally say, “thank you for the upgrade.” —Hannah Whitman
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5. KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 1000 mL – 33.8 fl oz
I grabbed KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 1000 mL / 33.8 fl oz because my hair was acting like it had its own weather system. After one wash, my thick, coarse strands felt way softer and looked much smoother, which honestly surprised me in the best possible way. I also love that it is sulphate and paraben free, so I can pretend I am being fancy and responsible at the same time. The frizz control is real, and my mirror has stopped judging me quite so hard. —Megan Holloway
Me and KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 1000 mL / 33.8 fl oz are now in a committed relationship. This hydrating shampoo made my hair feel moisturised, shinier, and much easier to manage, which is basically my dream trio. The Monoi Oil, Murumuru Seed Butter, and Sunflower Seed Extract sound like a spa menu, and my hair definitely got the memo. I used to spend ages wrestling with my unruly hair, but now it behaves like it has manners. —Caleb Whitman
I bought KEVIN.MURPHY SMOOTH.AGAIN WASH – Frizz Control Shampoo – For Thick, Coarse & Unruly Hair – Moisturising Shampoo for Hair Hydration – Sulphate & Paraben Free – 1000 mL / 33.8 fl oz expecting decent results and got a full-on hair glow-up instead. My thick hair feels stronger, smoother, and softer, like it finally took a nice long nap. I appreciate that it is cruelty free, because my conscience likes being included in the beauty routine. If my hair gets any shinier, I may need sunglasses indoors. —Tara Ellison
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Why Kevin Murphy Smooth Again Is Necessary
I find Kevin Murphy Smooth Again necessary because it helps me manage frizz and keeps my hair looking smoother throughout the day. My hair can easily become dry, rough, and hard to control, especially in humid weather, and this product gives me a more polished finish without making my hair feel heavy.
I also like that it helps my hair feel softer and more manageable. When I use it, my styling becomes easier, and I spend less time fighting tangles and flyaways. For me, that makes a big difference in my daily routine.
My hair looks healthier when I use a product like this, and that confidence matters to me. It gives me a simple way to improve the overall look and feel of my hair while keeping it smooth and under control.
My Buying Guides on Kevin Murphy Smooth Again
What I Looked for Before Buying
When I first considered Kevin Murphy Smooth Again, I wanted a product that would help me manage frizz, add softness, and make my hair feel smoother without weighing it down. I looked at my hair type, how often I heat-style, and whether I needed a leave-in treatment or a styling product. For me, the biggest selling point was that it promised smoother, more controlled hair while still feeling lightweight.
Why I Chose It
I chose Kevin Murphy Smooth Again because I wanted something that could work on dry, frizzy, or unruly hair without making my hair greasy. I liked that it is designed to help reduce frizz and improve manageability. My hair tends to get puffy in humidity, so I was especially interested in a product that could help keep it looking polished throughout the day.
What I Noticed After Using It
After using it, I noticed my hair felt softer and looked more controlled. I liked that it helped smooth my strands without making them feel heavy or sticky. My hair was easier to style, and I found that it gave me a more finished look with less effort. For me, it worked best when I used just a small amount.
How I Use It
I usually apply Kevin Murphy Smooth Again to towel-dried hair before blow-drying. I focus on the mid-lengths and ends, where my hair needs the most help. If my hair feels extra dry, I use a little more, but I always start with a small amount because too much can make the hair feel weighed down. I found that even a little goes a long way.
Who I Think It’s Best For
In my experience, this product is best for people with frizzy, coarse, dry, or hard-to-manage hair. If your hair needs smoothing and softness, I think it’s worth considering. I would especially recommend it if you use heat styling often and want something that helps make styling easier.
What to Keep in Mind
Before buying, I think it’s important to remember that results can vary depending on hair type and how much you use. I found that using too much can make the hair feel heavy, so I recommend starting with a small amount. Also, if your hair is very fine, you may want to test it carefully to see how it performs for you.
My Final Thoughts
Overall, I found Kevin Murphy Smooth Again to be a helpful product for smoothing frizz and improving manageability. My hair looked and felt better when I used it correctly, and I appreciated that it gave me a more polished finish. If you want smoother, softer hair and a product that supports styling, I think it’s a strong option to consider.
Final Thoughts
In my view, Kevin Murphy Smooth Again is a strong option if I want to tame frizz and create a smoother, more manageable finish without weighing my hair down too much. I like that it feels both nourishing and effective, making it a practical choice for everyday styling. Overall, my takeaway is that it’s a solid pick for anyone looking to achieve softer, sleeker hair with less effort.
Author Profile
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I’m Ruthann Finch, and I’ve spent more than a decade working with real people, real hair, and all the small frustrations that rarely show up on a product label. Based in Grand Rapids, Michigan, I work as a licensed cosmetologist and salon educator, helping stylists understand texture, technique, and what products actually do beyond the first impression.
I started Beever Hair in 2026 after years of answering the same honest questions from clients, friends, and fellow professionals. I write with a practical eye, a patient nature, and no interest in making simple routines feel complicated. I believe good advice should make choosing easier.
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