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

IGK 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

🌿Vegan & formaldehyde-free

💧4-day frizz control

🔥450°F heat protection

¥13516

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Details

Hair type
All
Liquid volume
186
Material type free
BPA Free

Description

✨ Elevate your blowout game with glassy, frizz-free perfection!

CLEAN CONSCIOUS - Vegan, cruelty-free, and formaldehyde-free formula
SALON QUALITY SHINE - Keratin-like smoothing for that glassy finish
TIME SAVING STYLING - Cuts blow-drying time with easy application
ULTIMATE HEAT DEFENSE - Protects hair up to 450°F during styling
LONG LASTING FRIZZ CONTROL - Keeps hair sleek and manageable for 4 days

IGK GOOD BEHAVIOR Spirulina Protein Smoothing Spray is a vegan, cruelty-free heat-activated styling spray that delivers keratin-like smoothness and shine while protecting hair up to 450°F. It controls frizz for up to 4 days and reduces blow-drying time, all without harsh chemicals.

Specifications

Asin	B0895K6LG7
Best Sellers Rank	#56 in Hair Thermal Protection Sprays
Date First Available	10 May 2022
Item Model Number	2122158
Manufacturer	IGK
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

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

Best product

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

15.06.2025

User

It's amazing

I love it. It's amazing no more flyaways no more frizzy hair nice and smooth and shiny.

14.08.2026

User

It works

I love this product, smooths the hair, it works

16.03.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

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¥13516

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews