Searching for that perfect hair straightening shampoo that will maintain your straight hair for a longer duration? I’ve got you covered.
We all love that perfect straight hair. And that is why we go the hair smoothening or hair straightening route. But to maintain your perfect sleek straight hair, you need to use the right hair products specifically the ideal hair straightening shampoo that will maintain your perfectly straight hair for as long as possible.
If you too are looking for that perfect shampoo for straightened hair, then I have compiled this list of the best hair straightening shampoos that are just about perfect at what they do. Let us check the best shampoos for straightening hair along with their detailed pros and cons So you know what you are choosing for your precious hair.
Best Hair Straightening Shampoos That Are Ideal After Hair Smoothening Or Straightening Treatment
There are a lot of hair straightening shampoos on the market but these are the ones that we think are best of the rest:
MATRIX Total Results Mega Sleek Shampoo | Controls Frizz & Smooths Hair
If you are in a rush, then this is the hair straightening shampoo that we recommend the most.
This shampoo gives ultra-soft nourishment and lustrous volume to your newly-straightened hair. It is made from shea butter that fights frizz against humidity to control rebellious and unruly hair. This product is safe for colored hair as well.
Pros
- 5 times moisturizing shampoo
- Gives hair a beautiful shine
- Volumizing shampoo
- Helps to maintain straight hair for a longer duration
Cons
- May leave product build-up as it contains shea butter
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
It's A 10 Haircare Miracle Shampoo w/Keratin
This product is safe for colored hair and prevents breakage by detangling dry and brittle hair keeping your hair completely straight and smooth. It is mild and made from natural ingredients like Chinese leaf extract, sunflower seed extract, linseed oil, and linalool which helps protect your hair from heat damage and UV rays while keeping your hair straight while conditioning your hair intensely.
Pros
- Safe for colored hair and chemically treated hair
- Restoring
- Intense Moisturizing
- Keeps hair straight
- Free of SLS
Cons
- Not recommended for people with oily hair
- May cause hair build-up with constant use
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
OGX Ever Straightening + Brazilian Keratin Therapy Hair Smoothing Shampoo
This hair straightening shampoo is formulated with keratin protein, avocado oil, coconut oil, brazil nut, and cocoa butter which not only hydrates your hair after the harsh hair straightening or hair smoothening treatment but also uses Brazilian keratin therapy which keeps your hair perfectly sleek straight for the longest time. Free of harsh chemicals like SLS, and parabens this shampoo Strengthens and softens the hair while adding instant shine to your manes.
Pros
- Formulated with natural hydrating ingredients
- Strengthens your hair while keeping the straight texture intact
- Gentle and mild on your hair and scalp
Cons
- May not thoroughly clean the hair and scalp due to its natural ingredients
- Added fragrance may irritate sensitive scalp
Last update on 2025-03-15 / Affiliate links / Images from Amazon Product Advertising API
Pureology Smooth Perfection Shampoo
This is one of the best shampoos for straightening hair on the market. It transforms dry and brittle hair into manageable and smooth hair. This vegan shampoo is also best for color-treated hair and those who are always exposed to chemicals by styling.
Pros
- Safe for chemically processed and color-treated hair
- Volumizing
- Intense Moisturizing
- SLS-free
- Vegan formula
- Helps maintain the straight texture of hair
Cons
- You will still need a good conditioner to hydrate your hair especially if you belong to a dry-hair family
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
Moroccanoil Smoothing Shampoo
This hair straightening shampoo by Moroccanoil smoothens and strengthens hair through its amino acid contents that renew dead and damaged hair from exposure to chemicals. It also eliminates frizz and improves manageability. The shampoo is formulated with argan oil, argan butter and fermented yerba santa plant extracts, and safflower oil which makes sure your hair appears healthy, straight, and voluminous at the same time. Plus, it is free of SLS, phosphate, and parabens.
Pros
- Hydrating shampoo that straightens hair
- Minimizes frizz and improves manageability
- Free of harsh chemicals like SLS and parabens
- Contains the goodness of argan oil, argan butter, fermented yerba santa plant, and safflower oil extracts
- safe for color-treated hair and chemically processed hair
Cons
- May trouble those with sensitive scalps due to added fragrance
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
John Frieda Frizz Ease Flawlessly Straight Shampoo
This hair straightening shampoo is specifically made for straightened hair. Formulated with keratin oil that manages tangled and frizzy hair to improve its manageability and smoothness. This shampoo instantly adds a new life and shine to your dull and unruly manes.
Pros
- A good hair straightening shampoo that instantly helps hair appear straight
- It deeply hydrates and conditions hair
- Infused with keratin oil for long-lasting straightness
- Safe for color-treated hair
Cons
- Not CGM friendly
- Not travel friendly as some consumers complained that it leaks
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
Sunsilk Perfect Straight Shampoo
This Sunsilk shampoo is a good drugstore shampoo for hair straightening. It Gives volume to your hair with the ultimate shine and softness. It also thoroughly cleans your hair well making it less frizzy and more bouncy. It does contain added fragrance and SLS which might dry and irritate your scalp. You can read an in-depth review of Sunsilk perfect straight shampoo here.
Pros
- Beautiful packaging
- Travel-friendly
- Affordable
- Smells divine
- Does add shine and life to your dull hair
- Minimizes frizz
- Makes hair manageable
Cons
- Contains SLS and silicones
- Not cruelty-free
- Doesn’t work that great without its conditioner buddy
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
TRESemme Keratin Smooth Shampoo
The hair straightening shampoo comes with 5 in 1 hair restoration formula that leaves the hair frizz-free without giving it a dull look. Made from organic ingredients like marula oil and keratin, this shampoo does a fab job at keeping your hair sleek and straight.
Pros
- Smoothens and gives instant shine and a straight look to your precious manes
- Formulated with marula oil and keratin
- Travel-friendly
- Affordable
- Safe for color-treated and chemically processed hair
Cons
- Not hydrating enough
- You will still need a good conditioner after using this hair-straightening shampoo
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
BC BONACURE Keratin Smooth Perfect Micellar Shampoo
This hair straightening shampoo by Schwarzkopf contains keratin that is ideal for newly-straightened hair. It has a frizz-control formula that keeps the newly straightened hair volumized, manageable, and untangled.
Pros
- Helps prevent static
- Formulated with keratin
- Frizz-free formula
- Suitable for all hair types
Cons
- Not ideal for people with sensitive scalp
- May leave product build-up when used for a longer duration
Last update on 2025-03-14 / Affiliate links / Images from Amazon Product Advertising API
Buying Guide To Pick The Best Hair Straightening Shampoo
To pick the best hair straightening shampoo for your hair, you need to keep a few things in mind:
- Always take into account your hair type and hair needs while picking up your ideal shampoo.
- Take a close look at the ingredients list and mask surely it contains nourishing oils like argan oil, grapeseed oil, marula oil, or others which will help your newly processed hair stay hydrated.
- Keratin does help keep hair straight for a longer duration so do take that into account while going through the labels on the shampoo.
- If you have dry hair or curly hair make sure the shampoo is SLS free
- For people with sensitive scalps make sure that the shampoo does not have added fragrance as it might irritate your sensitive scalp.
- Don’t forget to check online reviews before picking your shampoo.
How To Keep Your Hair Straight After Straightening?
Now that you have recently straightened your hair, it is pretty obvious you want to keep them like this for as long as possible. After all the hard-earned money and time that you invest now comes the time to alter your hair care routine specifically for your straightened hair. Thus keep these things in mind to keep your hair straight for longer durations:
- Start by picking up the right hair straightening shampoo and conditioner. You mustn’t skip your conditioner.
- Incorporate deep-conditioning hair masks and leave-in conditioners in your routine. And if you are wondering whether you can use your regular conditioner as a leave-in then read this.
- Stay away from bleaching, bleach baths for hair, hair coloring treatments, and heat styling for at least a month.
- It’s better to opt for shampoo that is SLS-free so that it doesn’t disrupt your hair straightening effect.
- Replace your regular hair serum with col processed argan oil,
- Incorporate hair spa for hair fall in your regime as you will notice an increase in hair fall. So you can check out how to stop hair fall after hair smoothening or straightening treatment.
- Switch to wooden combs as it will minimize the static effect that plastic combs create.
- Use silk pillowcases and silk scarves to protect your hair while sleeping.
- And if you notice your hair curls at the ends, you can take these steps to prevent it.
Over To You
I hope you found the list of the best hair straightening shampoos useful. In case you feel that I missed out on any good ones then feel free to share via comments. Also, do check out this study and this study on why you need a specific shampoo for straightened hair.
Before you leave don’t forget to check out:
- How To Do Hair Smoothening At Home: A Step By Step Guide
- 7 Best Flat Irons For Silk Press On Natural Hair
- 5 Best Products To Keep Your Hair Straight After Straightening It
- 6 Best Flat Iron With Teeth For That Perfect Straight Hair
Have a lovely day.