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Global Keratin Serum, 1.69 Fluid Ounce

The concentrated dose of juvexin creates a protective shield over each strand leaving a soft smooth finish. Smooths out any flyaways while delivering shine. Frizz-free. Hair taming system.

Key features

  • Smooths out any flyaways while delivering shine
  • Frizz-free
  • Hair taming system

Honest reviews


Does it all

My hair is long,fine, with lots of follicles. My hair is highlighted.(Takes an hour and half to place a full foil) It is also oily. I purchased this product in the salon, and love it. Does not weigh my hair down. In fact, my hair seems to drink it. Like the other commenter, I use it before de-tangling and blow drying, and a bit more if I use another appliance. It seems to repel dirt, but I do use a bit in between washings. Smells nice. The best part: It reduces drying time for me by about 10 minutes. They do not claim this. Just an observation. As for the price: This is not drug store stuff. I am happy to buy drug store products that work (and many do). This product is without the chemicals that strip color and is as much a treatment as a stying product.

Carmella Georgetown, CT

Makes hair smooth and smells good too.

I’ve got gray hair. If you have gray hair, you know how dry it can be. Not only that, my gray hair tends to frizz because of Florida humidity. Last year I learned aboutGlobal Keratin Leave-In Conditioning Cream 4.4ozand have been very happy with it. Now I’ve also discovered this serum. It’s great because a little goes a long way. Sometimes I use a little of this serum along with the leave-in conditioning cream and it makes the hair even smoother than with just the cream. Using either product alone or the two together, I’ve had great results. (And, BTW, the prices here on Amazon are better than my stylist’s prices, even with the 20% discount she says she’s giving me.)

Nona Aspers, PA

Just ok

I think this product was just okay…. I have used Moraccon Oil for the past 3 or so years which I absolutely love. I am always open to try new products in the hopes of even a better result. So, I gave this product a try. It was no where near as good as Moraccon oil. I would not purchase this product again. It gave mediocre results.

Crystal Boyd, TX

Wonderful product

I started to have dry brittle hair when I moved to Chicago. My hairdresser recommended this oil to use especially when I blow dryer or flatten my hair. Now my hair is soft and silky. Normally without this product I have really thick tight curls relaxed African-American hair.

Cynthia Lutts, TN

3 words

Does not workNot very happycouldn’t get refund!I have to write at least 20 words-I have “normal” straight wavy hair that tends to frizz in the Florida heat and humidity. This did absolutely nothing except smell good and moisturize my hands.

Heidi Cockeysville, MD

Makes my hair feel wonderful

Love the smell and my hair has definitely been felt healthier since I have incorporated all GK products into my regimen.

Dana Piseco, NY

effective hair smoother

My hairdresser uses this on my hair in the salon. My hair is fine and color treated and tends to frizz. I use about three squirts of this serum after shampooing before blow drying and it really makes it smooth and shiny. It also has a very nice fragrance. My hair is medium length and it takes about 6 months to use an entire bottle so it is also a good value; a little goes a long way. I do recommend this product.

Tracey Dodge Center, MN

Love this hair serum!

Love this hair serum! A friend gave me some one time and I have been hooked on it ever since! Have purchased it several times through Amazon. I put it in the ends of my hair when it is damp. It leaves your hair tremendously soft. Love the smell too!

Amparo Whiteville, TN