Thermal Serum - Heat Protectant Treatment for Frizz Control - Smoothing with Added Shine, Moisture & Cuticle Sealing - Lightweight Anti-Humidity Hair Serum (4 oz)

Ok so here goes. I have thin,curly, damaged hair. Basically the worst. It’s hard for me to want to use heat protectant when it makes my hair look dirty or oily. I’ve been shopping around trying different things, and as of 2-3 weeks I’ve been using this product. So it looks thick and like omg your hair is gonna be greasy but surprisingly it’s not !! I put very little (dime size amount) in my palms and spread it through my wet clean hair a couple times. Might be easy to put too much so start off w little then repeat process as needed. Smell is nice, somewhat familiar. It helps my hair look less damaged, helps keep my hair straight, gives my hair some weight, and my hair is growing!! Like I def see some growth prob from being so well protected! Def worth a try. UPDATE. 6months later and I’m still using this. My hair has def grown and is being protected from heat !! Def will be buying another bottle soon. UPDATE 2/25/22 Been using this since 10/10/20. Works well with other products without feeling greasy ! So you go girl and take care of that hair ! Literally putting this and like 4 other products in my hair including oils/ serums. Hair is shiny and longer than ever. Who knew putting time and effort in your hair would make it healthier and just better lol. Some of us gotta work for some things right! Worth it. UPDATE 03/30/23 Still using this after every shower. I try new products regularly but this one is always my last step !!

I’m Korean and have long, thick, coarse hair, and it’s damaged from past dye-jobs. I also had a baby last year so a lot of hair got broken off midway or completely fell out... yay for postpartum hair-loss. I only use barely half a pea size of this oil to rub into my palms then apply to wet towel-dried hair (only on the bottom half of my hair, nowhere near the scalp or else I’ll just be a greaseball all day). Then I blow dry my hair as usual and I swear it really cuts down the drying time! And when you have long hair past halfway down your back you know how long it takes to dry all that. The scent is so minimal and after you’re done drying you don’t notice any scent anyway. When I didn’t use this before, even if I blow-dried my hair the same way it would take foreverrr and look so messy and clingy when done. But after drying with this oil in, my hair looks neat and smooth! Again, only use a TINY BIT. One time I accidentally used like two pea-sized globs and it INSTANTLY weighed down my whole hair and I looked so greasy!

This is the best serum I’ve found for my fine curly and sometimes frizz prone hair. This is great alone for a blowout, or used before gel for a scrunch and style curly look. I’ve tried many brands over 25 years and I keep coming back to this one. This and Str8 by the same brand are both fantastic products.

It has a strange, funky odor. Thankfully, after hair is dried the smell goes away. Rusk is a brand I have known for years. This product gives lift and body. Also it will last a long time, as you only use a drop or two. Gives hair a smooth and silky feel.

If you have thick curly hard to straighten hair, this is the best! I apply after a towel dry, before I blow it dry, then flat iron Makes my hair super shiny, and silky straight. Use about a quarter size in my palm I have been using this for 15+ years. !

This hair serum is everything you need. It offers heat protection to eliminating dryness. A must have.

The product itself was great the packaging was terrible. I opened it up and there was serum all over the box! I would give it 5 stars otherwise.

I love and will not go without this. I was having troubles with my hair getting split ends and just being fried. Since using this my hair is growing now thanks to not always having to be cut so short to get all the dead off. My hair dresser is impressed even. This doesn't weight my hair down and smells good. Just wash my hair, rub a little in my hands and rub the hair. So simple and easy. Great with blow drying and straighteners.

A really great product to use with hair straightener. Have never suffered from split ends using this product. Frizzy hair is soft and silky. Have been using it for a few years now, was unable to find it at my local hairdressing suppliers lately, never thought amazon would sell it, thank god they do. Having to pay twice the price is worth it.

Love this for my coarse dry hair.

Me gusto mucho, me quita el frizz y me da mucho brillo al cabello aparte que lo protege del calor

J'utilise ce produit depuis des années c'est très efficace avant de se servir d'un séchoir ou d'un fer à lisser les cheveux sont super doux et brillant on peut mettre ce sérum le matin sur cheveux secs et procéder à son brushing et ça c'est vraiment très pratique je le recommande à 100%

I've used the thermal serum for several years, because it gives the best protection against using heat on your hair. Other products leave my hair feeling dry or don't actually protect it from the heat. Only the smell of the thermal serum good be a little more attractive (though it isn't a bad smell, just neutral). Rusk is a little more expensive, but definitely worth the money!