Best deep conditioner for hair extensions: Tested & reviews

If you are a hair extension enthusiast, then you know that there is nothing quite like the feeling of having long, flowing locks that perfectly complement your style. However, maintaining healthy hair extensions can be a challenge, especially when it comes to deep conditioning. With so many options available, it’s easy to feel overwhelmed and unsure of what products to use. But fear not, because we’ve got the inside scoop on the best deep conditioner for hair extensions

In this article, Jen Hair will show you how to take your extensions from dull and lifeless to healthy and luscious in no time. Get ready to enhance your hair look with our best deep conditioner for extensions!


The 5 best deep conditioners for hair extensions

   1. Moroccanoil Intense Hydrating Mask

best deep conditioner for hair extensions
Moroccanoil is a high-end brand specializing in deep conditioners. Photo: Review Beauty Time

If you are seeking the best deep conditioner for hair extensions, the Moroccanoil Intense Hydrating Mask is a fantastic option. This cruelty-free hair mask is formulated to richly hydrate and condition your hair, leaving it feeling soft, silky, and smooth. Moreover, it can be used without heat, which is great for those who prefer to avoid heat styling. Not only does it hydrate and condition, but it also helps to reduce static, enhancing the feeling of healthy and vibrant for your hair.


  • Deeply nourishes your hair with its blend of argan oil, shea butter, and other ingredients.
  • Reduce tangles and improve manageability.
  • Cruelty-free, so you can feel good about using it.


  • High price
  • The mask’s thick consistency makes it hard to distribute evenly throughout the hair.

  2. The Beachwaver Co. Good Vibes Moisturizing Conditioner

Beachwaver Co. Good Vibes Moisturizing Deep Conditioner
Beachwaver Co. Good Vibes Moisturizing Conditioner is an absolute gem for extensions. Photo: Ultra Beauty

The Beachwaver Co. Good Vibes Moisturizing Conditioner is hands down the best deep conditioner for extensions! It is packed with fantastic ingredients like coconut oil, Abyssinian oil, and shea butter, which work wonders in providing strength and moisture to your hair extensions. These ingredients, along with the innovative HIx Bond Multipliers™, create a powerhouse formula that leaves your extensions feeling revitalized and nourished. Not only does it deeply condition, but it also helps maintain the integrity of your extensions, preventing any damage or breakage. The result? Silky, luscious locks that are soft to the touch and incredibly manageable.  


  • Infused with coconut oil, Abyssinian oil, and shea butter for deep nourishment and moisture.
  • Contains HIx Bond Multipliers™ that strengthen and protect both natural hair and extensions.
  • Leaves hair feeling silky, rejuvenated, and tangle-free.
  • Helps maintain the vibrancy and longevity of extensions.
  • Suitable for all hair types.


  • The tropical scent may not be appealing to everyone’s personal preference.

   3. Olaplex No. 5 Bond Maintenance Conditioner

best deep conditioner for hair extensions
Olaplex No. 5 Bond Maintenance Conditioner can be used as your hair saver. Photo: Siêu thị làm đẹp

The Olaplex No. 5 Bond Maintenance Conditioner is renowned as the best deep conditioner for hair extensions, which repairs and protects hair from damage. The conditioner contains a patented technology that aims to restore the broken bonds in hair caused by chemical treatments and heat styling. Users of this conditioner have reported significant improvements in the health and strength of their hair, including reduced breakage and improved manageability. Additionally, the conditioner is free of sulfates, parabens, and phthalates, making it a safer and healthier option for those looking to avoid harsh chemicals in their hair care routine.


  • Repairs and strengthens damaged hair by rebuilding broken bonds
  • Nourishes and hydrates hair, leaving it feeling soft and smooth
  • Helps to prevent breakage and split ends
  • Safe for use on color-treated hair
  • Vegan and cruelty-free formula


  • Expensive compared to other conditioners on the market

   4. VIRTUE Recovery Conditioner

VIRTUE Recovery Conditioner is a must-have in the hair care routine! Photo: Walmart

The VIRTUE Recovery Conditioner is an absolute lifesaver for damaged hair! This rich and luxurious conditioner works like magic, breathing new life into my once-frayed cuticles and brittle ends. The results are simply stunning – the hair feels soft, looks shiny, and is a breeze to manage. The formula’s reconstructive powers are truly impressive, and it leaves my locks feeling nourished and revitalized after each use. With VIRTUE’s Recovery Conditioner, you will no longer worry about the aftermath of heat styling or environmental stressors. 


  • Rich and luxurious formula.
  • Helps bring damaged hair back to life.
  • Reconstructs frayed cuticles and brittle ends.
  • Infuses hair with softness, shine, and manageability.


  • None

  5. Big Kizzy Keratin Hair Mask Deep Conditioner

best deep conditioner for hair extensions
The Big Kizzy brand provides a premium deep conditioner that effectively moisturizes hair extensions. Photo: BIG KIZZY Hair

The Big Kizzy Keratin Hair Mask Deep Conditioner is a game-changer when it comes to nourishing and repairing damaged hair extensions. This powerful formula is enriched with keratin, which is the building block of hair, to help strengthen and fortify the hair shaft. 

It can also penetrate deeply into the hair cuticle, delivering intense hydration and moisture where it’s needed most. This is especially important for hair extensions, which can become dry and brittle over time. In addition, many people have praised its ability to smooth and tame frizz, leaving your hair extensions looking sleek and shiny. 


  • Contains keratin, a protein that can help strengthen hair and improve its texture
  • Infused with argan oil, which can help moisturize and nourish hair
  • Free from sulfates, parabens, and other harmful chemicals
  • Suitable for all hair types, including color-treated hair
  • Pleasant, subtle scent that doesn’t overpower


  • None

   6. CURLSMITH Vegan Moisturising Deep Conditioner

best deep conditioner for hair extensions
CURLSMITH Vegan Moisturising Deep Conditioner is a good choice for your extensions. Photo: Sephora

The CURLSMITH Vegan Moisturising Deep Conditioner is listed as the best deep conditioner for hair extensions. It is specifically designed to deeply hydrate and nourish curly, oily, and wavy hair types. The formula contains a blend of natural ingredients such as avocado, mango butter, and coconut oil, which work together to provide intense moisture and help repair damage. Many users said that it is softer, more manageable, and healthier-looking hair after use. 


  • Contains natural ingredients such as shea butter, coconut oil, and aloe vera which provide deep conditioning and hydration to the hair.
  • Can be used on all hair types, including curly and oily hair.
  • Helps to soften and detangle hair, leaving it feeling smooth and manageable.
  • Can be used as a weekly or monthly treatment for deep conditioning and repair.


  • None

   7. Vitamins Keratin Hair Mask Deep Conditioner 

best deep conditioner for hair extensions
Vitamins Keratin Hair Mask Deep Conditioner is worth your investment. Photo: Discount Salon Supplies

The Vitamins Keratin Hair Mask Deep Conditioner is often depicted as the best deep conditioner for hair extensions. This nourishing therapy solution is packed with keratin, collagen, Moroccan argan oil, and coconut oil to help restore and hydrate color-treated, dry hair to health. 

Additionally, its biotin and castor oil adds ultra-moisturizing pro-hydrating nourishment to boost a healthy mane, repairing and strengthening bleached and colored hair, and revitalizing the scalp and roots. The safe, weightless formula is sulfate and cruelty-free, without any strong chemicals that may weigh down thin, fine hair. 


  • Helps to repair damaged hair by providing intensive deep conditioning therapy.
  • Contains a biotin and castor oil complex that nourishes and strengthens hair.
  • Provides advanced frizz control and long-lasting moisture.
  • Safe weightless formula won’t weigh down thin, fine hair.


  • May have a strong or overpowering scent.
  • May not work as well on extremely damaged or heavily processed hair.

How to choose a good deep conditioner for extensions?

Many people don’t know exactly whether a deep conditioner is suitable for their extensions or not, especially newbies. The reasons may include too many product types, or lack of knowledge about the ingredients, or some products are just overrated.

best deep conditioner for hair extensions
You should take note of some tips to choose a good deep conditioner. Photo: Byrdie

There are a few things to remember that ensure you will find your best deep conditioner for hair extensions.

  • Consider the type of extensions you have. For example, if you have human hair extensions, opt for a conditioner that is designed for use on human hair.
  • Look for a product that is moisturizing and nourishing. Those made from shea butter, avocado oil, and coconut oil are among the best deep conditioner for extensions, which help to hydrate and soften both your extensions and your natural hair. 
  • Search for the best deep conditioner for extensions that is lightweight or provides extra hydration based on your current hair. 
  • Follow the instructions for use carefully to get the best results. Some deep conditioners are designed to be left in for several minutes or even overnight, while others should be rinsed out immediately. 


   1. Can I deep condition my hair extensions?

Absolutely! Deep conditioning your hair extensions is a crucial step in maintaining their health and appearance. By following our suggestions for choosing the best deep conditioner for hair extensions, you can effectively nourish and hydrate both your natural hair and your extensions, preventing breakage and damage and extending their lifespan. 

Additionally, regular use of the best deep conditioner for extensions will ensure that they maintain their integrity over time. With proper care and maintenance, your extensions will continue to look beautiful and natural for as long as possible.

   2. How do you deep condition hair extensions at home?

With some simple steps, you can deep condition your hair extensions at home just in minutes. All the materials needed are a mild shampoo, a deep conditioner, a wide-tooth comb, a plastic shower cap, and a towel.

best deep conditioner for hair extensions
Apply and leave on conditioner for 30-45 minutes before rinsing thoroughly with cool water. Photo: Stylecraze

Here are the steps to deep-condition hair extensions at home:

Step 1: Start by shampooing your extensions as usual.

Step 2: Squeeze out the excess water from your extensions gently with a towel.

Step 3: Apply a generous amount of deep conditioner to your extensions, making sure to distribute it evenly throughout your hair. You can use a wide-tooth comb to help distribute the conditioner evenly.

Step 4: Cover your hair with a plastic shower cap, and leave the conditioner on for the recommended amount of time. This can vary depending on the product you are using, so make sure to follow the instructions carefully.

Step 5: Rinse out the conditioner thoroughly with lukewarm water.

Step 6: Gently pat your extensions dry with a towel, being careful not to rub or tug on them.

Step 7: Apply a deep conditioner to seal in moisture and keep your extensions looking and feeling healthy.

   3. How often should I deep-condition hair extensions?

To keep your hair extensions in good condition, experts recommend deep conditioning them once a week, or as needed, depending on your hair type and the condition of your extensions. 

However, it’s important to pay attention to your hair’s needs and adjust your deep conditioning routine accordingly. If your extensions feel dry or brittle, it may be a sign that you need to deep condition more frequently. Conversely, if your extensions feel heavy or weighed down, you may be over-conditioning them. 

Final thoughts   

In conclusion, taking care of your hair extensions is essential if you want them to look healthy and vibrant. Using the right deep conditioner can make all the difference, and our best deep conditioner for hair extensions can leave them smooth and healthy. By incorporating them into your hair care routine, you can keep your extensions looking their best for longer periods.

Finally, don’t forget to like and share this article if you find it helpful!

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