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    Knowledge Barbershop

    4.9 (75 reviews)
    Open 10:00 am - 7:00 pm
    Updated 1 month ago

    Services - Knowledge Barbershop

    Haircut

    Haircut and shave

    Shave only

    Knowledge Barbershop Photos

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    Recommended Reviews - Knowledge Barbershop

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    2 months ago

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    9 months ago

    Get your cut with Patrick! He helped me lock in a 2nd date with my crush :) They also always play really good music.

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    1 year ago

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    1 year ago

    Patrick is the man. I keep coming back to him because he knows how I like my hair done. So if you need a haircut he's the man.

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    1 year ago

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    1 year ago

    Patrick sucks, over charges and doesn't even style the hair basically just cuts hair off.

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    1 year ago

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    2 years ago

    Talented barbers (especially David), great vibe, friendly people. 10/10 would def recommend!

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    Page 1 of 2

    Ask the Community - Knowledge Barbershop

    Review Highlights - Knowledge Barbershop

    I've been going to Jake for over 15 years now and he always gets my haircut exactly how I want it.

    Mentioned in 16 reviews

    Read more highlights

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    Concept Barbershop - After full service with Kann C.

    Concept Barbershop

    4.7(380 reviews)
    2.0 miDowntown
    $$$

    Took a chance on an open appointment with someone who isn't my regular barber. I booked with JAC,…read moreand even from the consultation I felt like this guy had an attention to detail that was refreshing for me. I'm a very flow with the go kind of guy and just told him he can do whatever he wants LOL. It's usually how I got by most of my haircuts. But then this guy started asking me questions and I had to really think about what I wanted. This cut was after I had gotten a perm and I knew it wasn't going to be easy to work with. Honestly was ready to just shave all of it off haha. But JAC explained what he was going to do and why, and all the way through asked if it was something I was down to do. And honestly I loved the haircut after. It suited my face really well, but I was worried I wouldn't be able to style it the same. JAC, without me asking, explained what product he used and what he did to get the look. He also let me know which products to stay away from because they would damage my hair. Overall, had a great experience here!

    I've tried almost every barbershop in Downtown San Jose, and IMO Concept Barbershop is the best…read morespot here. I get a haircut there around every 4-6 weeks, and recommend it to anybody that asks me where to get a haircut in Downtown. Environment Professional, spacious, clean, comfortable. There are two leather couches, a coat hanger, and even a coffee machine there (not instant coffee - real, fresh ground coffee). Service JB is my guy at Concept, and he is not only skilled but he actively maintains me as a client. He documents each cut, familiarized himself with my hair type, and can consistently replicate previous cuts or make adjustments depending on what I'm going for. Usually I just go in with a vague request like "Just a clean up, maybe some shaping on the beard" and he always delivers with something that looks good. I'm satisfied with his work after every appointment.

    Photos
    Concept Barbershop - Haircut and beard trim next to Paper Planes Bar.

    Haircut and beard trim next to Paper Planes Bar.

    Concept Barbershop - Book an appointment online at www.conceptbarbershop.com

    Book an appointment online at www.conceptbarbershop.com

    Concept Barbershop - Book an appointment at www.CONCEPTBARBERSHOP.com

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    Book an appointment at www.CONCEPTBARBERSHOP.com

    Paradox - Honestly this [AFTER] deserves its own post!  Full Perm (Loose Wave) + Haircut  Stylist: Rich Hoang

    Paradox

    4.8(180 reviews)
    1.4 miRose Garden, Downtown
    $$

    Baby's first perm! It's me. I'm baby…read more Booked the night before with Rich Hoang -- stalked his IG and saw he specialized in the type of loose wave perm I wanted. Came in with some inspo pics (Hudson Williams, 90s Keanu, Jackie Chan shag vibes). Rich was very patient and knowledgeable, he indulged my questions about everything. We made a game plan on how to trim and layer my hair and what I was going for. I LOVE THE RESULTS. It's literally the kind of style I want to effortlessly have but can rarely achieve bc mi hair soy super Asian (kapow!). I'm so glad I did it (finally) and looking forward to enjoying it. Highly recommend!

    This review is long overdue. Almost 8 years in fact. JJ has been taking care of me for as long as I…read morecan remember. It all started with a cold call to the shop / getting an appointment with JJ back in 2018, in which turned into entrusting him with cutting my hair since. This is THE guy, let me tell you. JJ is the most laid-back, coolest, most sincere barber I have ever had the pleasure of dealing with. I truly look forward to every appointment I have to get freshened up / vent / chat with him. My dude has been with me through thick and thin, life and hair literally. From weekly buzz-cuts to now bi-weekly scissor-cuts, he has always gone above and beyond to make my experience the best it can be. If you are looking for a barber in San Jose, please, look no further and book an appointment with JJ ASAP! You will not be disappointed with the exceptional service you receive. Thank you for everything brother!!!

    Photos
    Paradox - Before Picture

    Before Picture

    Paradox
    Paradox - BEFORE / AFTER  Stylist: Rich Hoang

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    BEFORE / AFTER Stylist: Rich Hoang

    Paradox - Fade in process

    Paradox

    4.5(66 reviews)
    2.9 miDowntown
    $$

    Raygo Blendz is amazing. I came in for my first haircut in 4+ months (growing it long from a short…read morefade). It was my first haircut at Paradox and it won't be my last. Even better, he is patient and takes the time to explain different methods and all of the fun insights behind different hair looks you can achieve. Also he makes recommendations to point you in the right direction, including other stylists at the salon that specialize in certain things. Highly recommend!

    I had an appointment here the other day for a perm with one of barbers (Kevin/K-Luk) here who had a…read morerespectful portfolio on his social media. I showed him my reference pictures (loose flowy perm for middle part) and style (wolfcut) that I was hoping to achieve. He said we could achieve something similar to the pictures that I showed. I mentioned that I had processed hair on the back of my head and questioned how to proceed from that. He told me initially the perm wouldn't look right if he didn't my entire head so I agreed to proceed given the possibility that the perm may fry the back of my head. He also mentioned to me that I needed a haircut to which I asked him if I could add it on as I assumed I would be able like most of the other salons/barbers that I have been to before. He told me he couldn't as he was booked. He begins to perm my hair and talks to another colleague and mentions he going to avoid my processed hair. We finish the perm and he washes the solution out of my hair and shows me my hair. It's significantly curlier and different than what I expected. But didn't look too bad because it was still wet. I didn't want to say anything because I hoped once my hair dried, the perm would look less curly as it has in the past and I didn't want to say anything since I waited over a month to book this appointment. I had paid previously and tipped 20% during the booking of it. As I drive home, I noticed my hair looking more and more poofy on the sides--almost like those kids who grow out their hair/surfer hair. Once I get home, my hair is a lot more dry now and I noticed that the sides were all sticking out horizontally like a fish hook. I showed my girlfriend who told me that this was the worst thing she's ever seen. The sides were totally messed up and the back looked horrible. I ended up going to another salon that evening because I was in shock of how bad the perm turned out. I asked the stylist there if there was any way to layer and fix it, to which they informed they couldn't as the perm rods were not placed appropriately for a middle part and said the only way to fix it was it cut off. Given how bad the perm turned out, I opted to cut it off. I mentioned all of this to my barber the next day on his social and he didn't even seem to care. He told me I should've had my hair layered before the perm and that my hair looked weird because he didn't perm the processed hair. As a customer who showed him the reference picture, if he didn't believe he could achieve the results without layering my hair/didn't believe he could achieve it then why go through with at all. I would've skipped the perm or only done a haircut if that's what he believed was achievable from the reference picture. Even from the picture of the back I sent him, he could tell that the perm looked bad but let me walk out of the shop without even trying to fix it. I already paid/tipped beforehand so there's no incentive to fix a bad service because you're just an invoice at this point. The customer service at this places isn't good. If you gave someone a really bad perm/service and don't care about your mistake or don't care to offer ways to assist your client, it just shows you that you're just a dollar sign to them.

    Photos
    Paradox - Haircut

    Haircut

    Paradox - Don setting the foundation with this precision on a scissor cut

    Don setting the foundation with this precision on a scissor cut

    Paradox - Zachary Ignacio in his fading process

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    Zachary Ignacio in his fading process

    Knowledge Barbershop - barbers - Updated May 2026

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