The 13 Best Hair Straightening Products of 2021 – The Ultimate Guide

Do you want to have the silkiest and smoothest hair possible all day? Well, this guide has you covered in terms of the best hair straightening products for all hair types.

Imagine what it would be like to have a good experience every time you straighten your hair. There are no more bad hair days because you wind up with the shiniest and softest strands possible.

A quest for the best hair starts by gathering the right hair straightening products. Once you have them at hand, you can set about nourishing and caring for your hair the right way.

But, which are the best products to use? The answer depends on your hair type and environment. These two factors will guide you as you pick out the right products from the thousands available in the market.

This guide contains 13 of the best hair straightening products out there to help you narrow down the search. Keep reading to discover the right product for you.

 

1. CHI Keratin K-Trix 5 Smoothing Treatment

CHI Keratin K-Trix 5 Smoothing Treatment, 3.92 Fl Oz
  • Thermally activated smoothing treatment combines with the heat of a styling iron to smooth the hair cuticle, lock in moisture...
  • Long-lasting results, even after washing
  • Infused with Keratix, a unique compound that utilizes sustained- release technology to gradually releases proteins, providing...

Product Features

  • Scent- Peppermint and Tea Tree
  • Brand- CHI
  • Function- Hair Treatment
  • Product Volume- 3.92 ounces
  • Frequency of use- every wash
  • Hair Type- Thick, curly, thin, straight

Pros

  • This hair treatment from CHI protects hair against heat. It’s among the best hair straightening products you can get to ensure your hair gets all the love and care it needs.
  • It comes in handy if you frequently use a curling iron or blow dryer to straighten your hair. Use it before any of these tools to hydrate and seal in moisture, preventing dryness. Dry hair easily breaks off while styling due to acute brittleness. This product helps combat that.
  • It’s also the best hair straightening product to use in humid places as it locks out humidity, giving you long-lasting results. Its keratin-infused formulation feeds crucial protein to your hair in small doses resulting in soft and smooth strands.
  • Use the hair treatment every wash day and massage thoroughly to cover all the strands. You’ll no longer have to cope with straw-feeling strands, and it leaves no build-up.

Cons

  • The smell is quite strong and might not be ideal for all people.
  • It can cause frizz for some hair types, especially if you have curly hair.

 

2. HSI Professional Argan Oil Heat Protector Spray

Sale
HSI PROFESSIONAL Argan Oil Heat Protector | Protect up to 450º F from Flat...
  • EXTREME HAIR PROTECTANT: Protect hair from heat exposure up to 450º F.HSI PROFESSIONAL's argan oil hair heat protectant is...
  • LEAVE-IN CONDITIONER: This light thermal protection spray can be also used as a leave in conditioning serum. Get smooth,...
  • PROUDLY MADE IN THE USA: Ensuring you get a premium quality high grade hair oil Infused with highly concentrated...

Product Features

  • Scent- Argan Oil
  • Brand- HSI Professional
  • Function- Hair Protector
  • Product Volume- 8 oz.
  • Frequency of use- every styling
  • Hair Type- All

Pros

  • Another great choice for hair straightening products is this heat protector spray from HIS professional that checks all the right boxes.
  • The trick for ultra-smooth and healthy hair is using the right products with your styling tools. So grab this protector spray every time you want to flat iron or blow-dry your hair. It protects every strand from high heat of up to 450 degrees F.
  • Spray it all over your hair, ensuring total coverage for maximum protection, and massage it in. The good news is it’s not heavy and won’t leave any residue on your hair.
  • Besides heat protection, it also functions as a treatment to ward off frizz and split ends from your hair. It nourishes your strands by locking in crucial moisture, which is why you end up with healthy hair.
  • Also, it contains Argan oil, known for its antioxidant properties coupled with vitamins that leave your hair shiny all day. It’s safe to use even on colored-hair as it’s free of sulfate, paraben, and phosphate.

Cons

  • The product doesn’t work on all types of hair despite the advertisement. It leaves hair exposed to heat damage.
  • The smell isn’t pleasant and can be overwhelming for some.

 

3. Biosilk Silk Therapy Treatment

BIOSILK Silk Therapy Original Cure, 12 Oz
  • Ideal for all hair types
  • Leave in replenishing & reconstructing treatment. Paraben free, gluten free, sulfate free
  • Fills any voids in cuticle layer

Product Features

  • Brand- Biosilk
  • Function- Hair Treatment
  • Product Volume- 355ml
  • Frequency of use- every styling
  • Hair Type- All

Pros

  • Opt for this hair treatment, especially if you suffer from constant dry hair in need of frequent moisture infusion. It also nourishes your scalp relieving itchiness as a result of dryness.
  • It’s one of the few hair straightening products that pack up your cuticles, leaving your hair soft and smooth. It’s also an excellent reconstructing product that helps repair damaged strands while preventing further frizz and split ends.
  • Place a generous amount of therapy treatment on your hand and thoroughly massage your hair. Always ensure to cover all the strands for an even shine. You can apply it after washing your hair or when dry for the best results.
  • It guards against frizz and split ends which make hair extremely unmanageable. This product is an affordable solution that saves you from frequent salon visits.
  • The product meets all your hair protecting and straightening needs, coupled with a lovely smell that stays on your hair all day. It’s a great option when seeking a detangler that also works as a hair treatment.

Cons

  • Though the product rates high, there are many imitations in the market. Watch out for counterfeit products that are too runny to be the original thicker hair treatment.

 

4. Hair Food Coconut & Argan Oil Heat Protectant Spray

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Hair Food Coconut & Argan Oil Heat Protectant Spray Blend, Paraben & Dye Free,...
  • HEAT PROTECTANT: Have no fear of blow-dryers or styling irons! Hair Food Coconut & Argan Oil Heat Protectant Spray Blend...
  • ONLY WHAT YOU NEED: We believe what you put on your hair is as important as what you eat. Hair Food products are sulfate...
  • LEAVES HAIR SHINY: Protects all hair types to give hair a healthy-looking shine and lets you style to your heart's content

Product Features

  • Brand- Hair Food
  • Function- Hair Protectant Spray
  • Product Volume- 6.4 oz.
  • Frequency of use- every heat styling
  • Hair Type- Fine, Curly, Wavy, or Thick hair

Pros

  • Turn to this heat protector spray from hair food for the best protection when using styling tools. It’s a well-known fact that thick, wavy, and curly hair is in a league of its own and needs superior hair straightening products.
  • The formulation for this hair-protecting spray includes argan oil and coconut that protect your hair by sealing it off. Heat simply passes each strand without frying it. Use your flat iron confidently or blow-dry every day without worrying about heat damage.
  • You can use this product no matter what type or texture of hair you have. It leaves hair soft, smooth, and silky all day long. Once you style in the morning, you’re good to go for the rest of the day.
  • It’s the best guard against frizz, split ends, and humidity that messes with straightened hair. It’s free of harmful ingredients like paraben, sulfates, and dyes. Shake the bottle well and spray the liquid all over your hair. You can apply it on dry or wet hair then style as desired.

Cons

  • Though its purpose is heat protection, it doesn’t function for some types of hair. It leaves strands exposed to heat resulting in a straw-like feeling and damage to hair follicles.
  • The ingredients contain chemicals that can lead to skin irritation and redness on the scalp.

 

5. Sojourn Thermal Protection Straightener Spray

Sojourn Thermal Protection Straightener 8.5 oz
  • YOU WILL RECEIVE: (1) 8.5 fl oz Bottle. For best results treat your hair with the full line of Sojourn professional shampoo,...
  • HEAT PROTECTANT FOR HAIR: Prevent hair from becoming damaged and dry using while using hair dryer, flat iron, blow dry brush,...
  • HEAT SHIELD FOR HEALTHY SHINE: Hair heat protector spray is fortified with buriti extract that closes the cuticle, nourishes...

Product Features

  • Brand- Sojourn
  • Function- Hair Protector
  • Product Volume- 8.45ml
  • Frequency of use- every heat styling
  • Hair Type- Normal, Dry, or Oily

Pros

  • This is one of the best hair straightening products you can get on the market today. It’s the best version of a hair protector spray you can get for maximum guard against damage when using heat in your hair.
  • It functions by sealing moisture on every strand of hair on your head such that heat won’t cause damage. Also, you are guaranteed maximum protection against harmful UV rays, especially if you have colored hair.
  • One of the key ingredients in the formulation is buriti extract. It’s well known as a cuticle sealant that protects and nourishes your hair. The spray is also lightweight and won’t leave any build-up as you use it on dry or wet hair.

Cons

  • The spray has a strong fragrance that can be quite overwhelming.
  • Some deliveries are of opened products.

6. Neuma Neustyling Smoothing Cream

Product Features

  • Brand- Neuma
  • Function- Hair Smoothening
  • Product Volume- 250ml
  • Frequency of use- every wash
  • Hair Type- All Types

Pros

  • This is one of the best hair straightening products you can get on the market today. It’s the best version of a hair protector spray you can get for maximum guard against damage when using heat in your hair.
  • It functions by sealing moisture on every strand of hair on your head such that heat won’t cause damage. Also, you are guaranteed maximum protection against harmful UV rays, especially if you have colored hair.
  • One of the key ingredients in the formulation is buriti extract. It’s well known as a cuticle sealant that protects and nourishes your hair. The spray is also lightweight and won’t leave any build-up as you use it on dry or wet hair.

Cons

  • The thick consistency tends to leave the hair feeling sticky and gunky with everyday use. It’s not ideal for oily hair.

 

7. John Frieda Frizz Ease Spray

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John Frieda Frizz Ease 3-day Flat Iron Spray, Keratin Infused Straightening...
  • SMOOTH YOUR FRIZZY HAIR - Use our Flat Iron Spray as a straight hair styling product for smooth results that last up to 3...
  • HEAT-ACTIVATED FOR A LONGER STAY - Keep your straight hairstyle with our uniquely formulated Flat Iron Spray for sleek looks...
  • STRAIGHT WITHOUT THE WEIGHT - Using a proprietary blend of polymers with keratin protein, our weightless spray removes frizz...

Product Features

  • Brand- John Frieda
  • Function- Straightening spray
  • Product Volume- 3.5 ounces
  • Frequency of use- every heat styling
  • Hair Type- Frizzy hair

Pros

  • This lightweight hair spray won’t leave your hair with build-up after some time. Also, its light consistency makes it easy to work into the hair.
  • It’s among the top hair straightening products that remove frizz from every inch of your hair. It is a formulation that includes keratin protein and polymers renowned for their frizz fighting capabilities. Use it on your hair, no matter the type or texture.
  • Lastly, it helps your style last longer, which means you don’t need a retouch later on in the day. You’ll enjoy the results, which are soft, smooth, and silky hair.

Cons

  • It causes knots and stickiness in curly and wavy hair. Such tangles make it hard to style the hair and even run fingers through.

 

8. BIOLAGE Styling Thermal Active Spray

Product Features

  • Brand- BIOLAGE
  • Function- Thermal protection
  • Product Volume- 8.5 oz.
  • Frequency of use- every heat styling
  • Hair Type- Thin, Fine, Straight, or Dry hair

Pros

  • Though you have thin or fine hair, you don’t have to dread heat styling, thanks to this wonderful product from BIOLAGE. It functions as the ultimate thermal protection spray for every strand of hair while using heat styling tools.
  • It’s recommended as a product for thin fine hair and works for thick and curly texture. The formulation seals in moisture in each strand resulting in maximum thermal protection. Without this preventive measure, your hair can end up dry and brittle.
  • It helps styles last longer without needing constant retouch later in the day. Also, the smell is lovely and stays with you all through, and the spray helps fine and thin hair have a fuller appearance.
  • This product is an excellent detangler when you have thick and coarse hair. Using it softens the strands and makes it easy to comb the hair out.

Cons

  • It can cause stickiness and stiffness on some types of hair.
  • It lacks a recommendation on the right amount to use for different textures.

 

9. Kenra Professional Thermal Spray

Kenra Thermal Styling Spray 19 | Heat Protection Spray | All Hair Types | 10 fl....
  • Provides excellent support for any style
  • Imparts fullness and shine
  • Alcohol free, non-drying, non-flaking

Product Features

  • Brand- Kenra Professional
  • Function- Thermal protection spray
  • Product Volume- 10.1 oz.
  • Frequency of use- every heat styling
  • Hair Type- All types

Pros

  • This is among the great hair straightening products that can hold a style all day. After you cover your hair with this thermal spray, you can bring out the curling iron, hot rollers, or blow dryer for styling.
  • It nourishes all strands by sealing in moisture without leaving a residue which can lead to stickiness. You must massage in a generous amount on dry or wet hair to allow maximum penetration and protection.
  • You can use it for UV protection on colored and highlighted hair. Color remains intact when out in the sun for long hours.
  • It’s the answer when you need a product to tame frizz and split ends. It leaves your hair soft and smooth while adding shine.

Cons

  • It leaves some hair textures dry and brittle after heat styling.

 

10. Garnier Fructis Straightening Mist

Garnier Fructis Style Flat Iron Perfector Straightening Mist, Sleek , 6 Fl Oz
  • Protects hair from flat iron heat
  • Seals in smoothness and shine
  • With Moroccan argon oil

Product Features

  • Brand- Garnier
  • Function- Thermal protection
  • Product Volume- 6 oz.
  • Frequency of use- every heat styling
  • Hair Type- Thin, Fine, curly, wavy, or straight

Pros

  • From Garnier, you get a product that guards your hair against heat damage. It’s lightweight and quickly penetrates hair strands offering ample protection no matter what heat styling tool you use.
  • It’s an excellent frizz taming formulation that leaves your hair soft and smooth all day. You can enjoy your day even in humid places without thinking much about frizz.
  • It joins the list of top hair straightening products with a lovely smell. Spray it on every inch of your dry or wet hair, then style as you see fit.

Cons

  • It doesn’t work for thick and coarse hair. The results are stiffness, coupled with a straw-like feel.

 

11. Silk Elements Megasilk Protection Spray

Silk Elements Megasilk Olive Heat Protection Spray - 8oz
  • Reduces frizz while smoothing hair
  • Alcohol-free formula
  • With Olive and Silk

Product Features

  • Brand- Silk Elements
  • Function- Thermal protection
  • Product Volume- 8 oz.
  • Frequency of use- every heat styling
  • Hair Type- frizzy hair

Pros

  • It’s a top-quality hair spray that offers the best thermal protection for all types of hair. Upon opening the bottle, you’re met with an amazing smell that’s quite pleasant.
  • Its lightweight consistency is easy to work into your hair without leaving build-up. After that, you can style with any heat styling tool for the best results.
  • It ensures every strand gets ample moisture infusion which prevents dryness and helps hold your style all day.

Cons

  • For some hair texture, it leaves hair feeling and looking oily.

 

12. Tresemme Leave-in Heat Protector Spray

TRESemmé Thermal Creations Heat Protectant Spray for Hair 8 oz
  • TRESemmé Thermal Creations Heat Tamer Spray stands up to flat irons and curling irons by guarding against heat and friction,...
  • This thermal hair protector is a heat protectant spray that enhances hair's flexibility to re-form
  • Thermal Creations heat protection spray for hair is heat-activated to help guard against harsh styling damage and hold your...

Product Features

  • Brand- Tresemme
  • Function- Heat protection
  • Product Volume- 8 oz.
  • Frequency of use- every heat styling
  • Hair Type- dry, straight, or frizzy hair

Pros

  • You can leave this product in your hair all day for protection, even from the sun’s harmful rays. It’s a leave-in spray that ensures your strands remain intact even after styling with heat and offers UV protection.
  • The formulation contains marula oil and keratin proteins that leave your hair nourished, smooth, and shiny. It’s also a great way to detangle your hair, making it more manageable and workable while styling.
  • It has a pleasant smell that lasts. Spray it on dry or wet hair, then use any heat styling tool you prefer.

Cons

  • The bottle nozzle for this spray stops working after some time.

 

13. OGX Ever Straightening Therapy Spray

OGX Ever Straightening + Brazillian Keratin Therapy Flat Iron Spray, 6 Ounce
  • MOISTURIZE, SMOOTH, & SHINE: OGX Flat Iron Spray Ever Straight Brazilian Keratin Therapy is an exclusive blend with coconut...
  • SMOOTHER SOFTER LOOKING HAIR: We know what you love about your hair, so we made blended with exotic, ingredients to help you...
  • THIS OGX FORMULA is packed with so much good-for-your-hair goodness so it helps smooth your hair cuticle for radiant,...

Product Features

  • Brand- OGX
  • Function- Thermal protection
  • Product Volume- 6 oz.
  • Frequency of use- every heat styling
  • Hair Type- straight

Pros

  • The answer for maximum moisture infusion is here with this formulation from OGX. You can expect a mix of avocado oil, keratin proteins, coconut, and cocoa butter in this bottle. You end up with healthy, manageable, and soft hair.
  • It’s a cream that ensures your hair has enough nourishment from quality ingredients and heat damage protection. It also protects your scalp from dryness and itchiness.

Cons

  • It’s not ideal for oily hair because it causes build-up.

 

Conclusion

From this guide, you can find the best hair straightening products to use. These ensure your hair has ample thermal protection coupled with moisture infusion. Also, you benefit from UV protection for colored and highlighted hair, plus no more frizz or split ends requiring frequent salon trips.