Does this have sulfate and can you use on kertian hair?

As a brand representative for IGK, I will be happy to answer your question! All IGK products are formulated without sulfates SLS and SLES, making them safe to use on hair that is Keratin treated. I hope this is helpful!

After using product and drying hair, does it help keep hair smooth in damp, foggy weather?

I have very thick, curly, frizzy hair if I just dry with no product. This does help. Put on wet, then dry hair, then spray more on each section you flat iron. I still get curl in damp weather but not so much frizz. Maybe if I put more on but doing my hair is such a project. Try it. It does smell GREAT. If you don't like it just send it back. Best product I've found so far that at least does something. Otherwise, get a Brazilian Blowout. THAT DOES WORK BUT $$$ at the salon.

Should I use this spray before or after I add gel, other curling products etc(I always apply to wet hair)?

As a brand representative for IGK, I will be happy to answer your question! If using in damp hair, it is recommended to be applied before gel. I hope this is helpful!

Is it oily on fine thin hair?

As a brand representative for IGK, I will be happy to answer your question! Good Behavior Smoothing Spray is suitable for all hair types and is heat activated to aid in smoothing when applied to damp hair before blow-drying and in dry hair before styling with hot tools. You can use it either, or both ways! As long as it is used properly with heat, it should not contribute to an oily feeling in the hair. I hope this helps!

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GOOD BEHAVIOR Spirulina Protein Smoothing Spray | Keratin Like Treatment + Frizz Control + Heat Protectant | Vegan + Cruelty Free | 5.6 Oz

Product ID: 437083514

Details

Hair type
All
Liquid volume
186
Material type free
BPA Free
Product benefits
Heat Humidity
Scent
Unscented

🌿Plant-based protein power

💨Faster blow-dry, frizz-free finish

🔥Heat protection up to blowout level

€ 88.22

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

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Details

Hair type
All
Liquid volume
186
Material type free
BPA Free

Description

✨ Elevate your hair game with plant-powered, frizz-free perfection!

SALON WORTHY RESULTS AT HOME - 95% of users agree their hair looks like a keratin treatment—no appointment needed.
CUT YOUR BLOW DRY TIME IN HALF - Speeds up styling while shielding hair from heat damage and humidity.
VEGAN CRUELTY FREE CONFIDENCE - Ethically crafted for the conscious professional who demands results.
NOURISH PROTECT WITH EVERY SPRAY - Amino acid-rich spirulina protein strengthens hair from root to tip.
KERATIN LIKE SMOOTHNESS WITHOUT THE CHEMICALS - Formaldehyde-free polymers deliver salon-grade shine and frizz control.

IGK GOOD BEHAVIOR Spirulina Protein Smoothing Spray is a vegan, cruelty-free heat protectant that mimics keratin treatments using plant-based proteins and formaldehyde-free polymers. It nourishes hair with amino acids and biotin, reduces blow-dry time, controls frizz, and protects against humidity for a salon-smooth finish.

Specifications

Asin	B0895K6LG7
Best Sellers Rank	#19 in Hair Thermal Protection Sprays
Date First Available	10 May 2022
Item Model Number	2122158
Manufacturer	AmazonUs/IGKLL
Product Dimensions	5.33 x 5.33 x 18.29 cm; 158.76 g

Reviews

User

same as described

received at time, Recommended

28.10.2024

User

It works

I love this product, smooths the hair, it works

16.03.2025

User

El aroma

Me encanta el aroma, la textura es muy ligera, el spray arroja el producto de manera uniforme en el cabello y el contenedor tiene bastante producto. Sin duda lo volveria comprar

9.02.2025

User

Fantástico

Me encanta su olor y como deja el pelo brillante, tengo pelo muy rizado y logra ayudarme mucho con el laciado..... También hace que el peinado me dure mas! Muchas Gracias!

18.03.2026

User

Good product, would buy again.

It works for wavey or straitened hair. Used it with a hot curling iron and it held the curls for at least 4-hours. I actually like the smell, though the smell does not last long. Received product in good condition and in a timely manner.

5.06.2026

User

Best product

The best product ive ever tried! It leaves my hairs smooth!

15.06.2025

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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1 week ago

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€ 88.22

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

1 week ago

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