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Highlights
Summary
IGK's high-shine Good Behavior Supreme Seal Anti-Frizz Serum provides frizz control for 4 days. This concentrated formula imparts a mirror-like effect, smooths the hair, contains UV protection and tames flyaways, even in high humidity.
Benefits
- 4-day frizz control
- Humidity blocking barrier
- 75% shinier hair
Key Ingredients
- Super "C" Oil Blend: coconut, chia and cherimoya oils moisturize and add liquid-like shine
- Spirulina Protein: supports healthy looking hair
- Shine Seal Technology: helps seal hair, providing a super high shine finish
Formulated Without
- Sulfates (SLS/ SLES)
- Parabens
- Phthalates
- Gluten
- Mineral Oil
- Petrolatum
- Minoxidil
Item 2639828
Apply to dry, styled hair from mid-lengths to ends. Smooth lightly along hair line and part for flyaways.
Dimethicone, C15-19 Alkane, C13-15 Alkane, Isododecane, C9-12 Alkane, Lauryl Laurate, Phenyl Trimethicone, Spirulina Platensis Extract, Cocos Nucifera (Coconut) Oil, Prunus Avium (Sweet Cherry) Seed Oil, Salvia Hispanica Seed Oil, Oryza Sativa (Rice) Bran Extract, Helianthus Annuus (Sunflower) Extract, Coco-Caprylate/Caprate, Caprylyl Glycol, Tocopherol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Brassica Campestris/Aleurites Fordi Oil Copolymer, Caprylic/Capric Triglyceride, Fragrance (Parfum), Phenoxyethanol, Limonene, Coumarin, Linalool
This brand is excluded from most Ulta Beauty coupons.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Hair Type
Most Helpful Positive Review
Best Hair Product Ever !!
IGK Good Behavior Supreme Seal Anti-Frizz Serum Review This is my absolute favorite hair product — nothing else controls my frizz like this. I have naturally frizzy, unpredictable hair that usually poofs up the second I step outside, but this serum actually works. I wore it to a game in hot, humid ...
Most Helpful Critical Review
It works a bit, but I've used better.
[I received this product in exchange for my honest review] First two photos are before use, second two photos are after use. I have naturally wavy hair, this was after straightening. My flyaways were still visible, and my hair was still frizzy. I don't like how oily it feels (I know it's an oil, but...
178 results
Works well
Works extremely well pump deliveries a good amount for long hair. The packaging is a good size and will last you a long time. It has a nice scent that's not too strong as well. Just be careful how much you use a little goes a long way and not much is needed.

Nice frizz protection
[I received this product in exchange for my honest review] Cute bottle. Product is not too thick. It is a little messy to apply but you can rub it into your hands after applying to your hair for a nice treat. The product has a nice fresh scent. It is a little hard to get the product in the right area and if you get too much in an area, hair can get greasy.



All around greatness
[I received this product in exchange for my honest review] After two months on consistent use, this product has undoubtedly kept my hair sleek after straightening. My hair only needs to be dampened with three dime-sized pumps, and I'm ready to go. The serum has a gel like texture. Furthermore, once heat is applied to the product-saturated hair, it doesn't emit an odd odor. After several uses per week, the bottle is still fairly full, making it a better value than other brands I've bought in the past. Because of its slim design, the bottle was ideal for packing in my carry-on bag while I traveled.

Pretty good, not mind-blowing
[I received this product in exchange for my honest review] I've been using IGK Good Behavior for a bit, and honestly—it's decent. My hair felt smoother after blow drying and it definitely helped a little with frizz. The heat protection is a nice bonus too. That said, it didn't totally wow me. The frizz came creeping back by the end of the day, and it felt a bit heavy if I used too much. The smell is strong (not bad, just... noticeable), and I had to be careful not to overdo it or I'd get some buildup. Overall, it's not a bad product at all—it just didn't live up to the hype for me. I'dI use it again, but it won't be a must-have in my routine.

Silky, Sleek, and Weather-Proof!
[I received this product in exchange for my honest review] I've tried countless serums, but IGK's GOOD BEHAVIOR Supreme Seal is next-level. My hair is naturally wavy, frizz-prone, and reacts to humidity like it's trying to escape my scalp—but this serum tames everything without weighing it down. It gives me that smooth, glassy finish and lasts all day, even in sticky weather. The scent is salon-fresh but not overpowering, and I love that it protects against heat too. A little goes a long way, and my hair feels soft, shiny, and manageable every time I use it. Definitely a staple in my routine now!
Questions
Q&A
Showing 5 out of 5 Questions
- Q
Is this product good for color treated hair?
- Asked by Jan
- Official Answer By IGK - Brand EngageHi! All IGK products are safe to use on color treated hair.Was this answer helpful to you
- Q
Is this good for fine hair
- Asked by Deb
- Official Answer By IGK - Brand EngageHello! Yes, this can be used on all hair types to smooth, provide UV protection and tame flyaways even in high humidity.Was this answer helpful to you
- Q
Should I use this before or after I use your dry texturizing spray?? Ty !
- Asked by Amanda
- Official Answer By IGK - Brand EngageHi! Use this before our Beach Club Texture Spray to help smooth and take frizz and flyaways.Was this answer helpful to you
- Q
Is this suitable for medium pixie cut?
- Asked by Birdie
- Official Answer By IGK - Brand EngageHello! Yes, the Supreme Seal Serum helps to smooth hair, tame flyaways and finish any style or length of hair.Was this answer helpful to you
- Q
Does this product work on wet hair? Since menopause I've been getting really dry and frizzy ends. I don't use a blow dryer or straightener
- Asked by Lolita
- Official Answer By IGK - Brand EngageHello! This product is meant to be used on dry hair as the last step in your hair routine. If you're looking for something that can be applied on wet hair, try our Good Behavior Smoothing Mask for an in-shower treatment, or our Good Behavior 4-in-1 Prep Spray or our Good Behavior Smoothing Spray for post-shower frizz control.Was this answer helpful to you