Images of Nexxus vs Kirkland Shampoo

Nexxus vs Kirkland Shampoo: Which is the Best One?

We all have different types of hair, and with that comes different hair problems. Some are battling frizz, while others are chasing volume or yearning for that perfect shine. So it becomes difficult to tackle the vast world of hair care. Also, there are a vast number of different shampoo brands available on the market, so the choice is difficult.

From this vast collection of shampoo brands, Nexxus and Kirkland are two of the best ones. Hence, here we will give a comprehensive review of Nexxus vs Kirkland Shampoo so that you can make your choice wisely.

Disclaimer: Before making the final choice, keep in mind that we all have different hair types and environments around us that will affect the functionality of the shampoo. So make your choice wisely after considering all the factors.

Nexxus Review:

pictures of Nexxus vs Kirkland Shampoo

Nexxus is a US-based hair care brand offering a range of products, from shampoo to hair masks. The company began in 1979. Jheri Reddig, a scientist, cosmetologist, and inventor of modern-day conditioners, was the one who discovered the science that they use in their products. Their whole concept is based on the idea that hair becomes healthier and stronger when treated with protein.

They have a team of scientists who use their knowledge and understand which proteins are needed for different hair types to make them look and feel good. Nexxus is also a recipient of over 100 haircare awards. Whether your hair is color-treated, curly, straight, wavy, damaged, or somewhere in between, these shampoos claim to bring it back to life.


  • Brand: Nexxus
  • Product Name: Professional Shampoo
  • Type: wet shampoo
  • Formula: lightweight, transparent
  • Size: 13.5 oz., 3 oz., or 38.5 oz. (may vary in different variants).
  • Scent: Available in a variety of scents
  • Cruelty-free- No
  • Vegan- No
  • Sulfate-Free: Yes
  • Paraben-free: Yes
  • Silicon-free: Yes
  • Dye-free- Yes 

Price: $15.99-$17.99 (may vary in different variants)

Available variants with ratings:


Product Rating: 4.7 out of 5


Product Rating: 4.6 out of 5


Product Rating: 3.9 out of 5


Product Rating: 4.1 out of 5


Product Rating: 4.5 out of 5


Product Rating: 4.5 out of 5


Product Rating: 4.4 out of 5


Product Rating: 4.5 out of 5


Product Rating: 4.4 out of 5


Water (EAU), Cocamidopropyl Betaine, Sodium Methyl Cocoyl Taurate, Sodium Chloride, Glycerin, Sodium Gluconate, Keratin, Hydrolyzed Keratin, Biotin, Collagen and amino acids, Arginine HCL, Prunus Armeniaca (Apricot) Kernel Oil, Spirulina platensis extract, Fucus Vesiculosus Extract, Citrullus lanatus (watermelon) seed oil, Citric Acid, Coconut Acid, Fragrance (Parfum), Sodium Benzoate, Glycol Distearate, PPG-9, Polyquaternium-10, Stearamidopropyl Dimethylamine, Citronellol, Eugenol, Geraniol, Limonene and Linalool

These are common ingredients found in all the variants, although they might vary in the different types available.


  • There is a wide range of shampoos targeting specific hair concerns or hair types.
  1. Damaged Hair
  2. Blonde Hair
  3. Curly Hair
  4. Oily Hair
  5. Colored Hair
  6. Fine and thin hair
  7. Dry and frizzy hair
  • This shampoo has high-quality ingredients.
  • The plant extracts and oils present in this provide deep conditioning and nourishment for the hair.
  • The shampoo has long-lasting and pleasant scents.
  • Compared to other professional salon brands, these are quite affordable.
  • The price does not compromise the quality of the ingredients.
  • You can buy this shampoo at nearby drugstores, supermarkets, and online retailers too.
  • They have a strong scientific background for creating such products.
  • Its formula is protein-based.
  • They identify which protein is required to strengthen and nourish your hair.
  • The brand has won over 100 awards for hair care.
  • There are no sulfates, parabens, silicons, or even dyes in the shampoo.
  • It is available in different sizes and scents.
  • Cocamidopropyl betaine is a gentle cleanser derived from coconut oil.
  • Sodium Methyl Cocoyl Taurate is another gentle coconut-based cleanser.
  • Glycerin is there to hydrate and condition hair.
  • Keratin and Hydrolyzed Keratin strengthen and repair hair.
  • Biotin is crucial to promoting hair growth and health.
  • Collagen and amino acids add volume and elasticity to your hair.
  • Arginine HCL is great for conditioning and hydrating hair.
  • Prunus Armeniaca (Apricot) Kernel Oil is present to moisturize and nourish hair.
  • Spirulina platensis extract protects hair from damage.
  • Fucus vesiculosus extract (seaweed) is there to add minerals and nutrients.
  • Citrullus lanatus (watermelon) seed oil moisturizes and conditions hair.
  • Citric acid and coconut acid are great for adjusting the pH balance.
  • Sodium benzoate is a preservative.  Therefore, it has a longer shelf life.
  • Stearamidopropyl dimethylamine is great for the manageability of hair.


  • The scent can be irritating or overpowering for some people.
  • Marketing claims like “miracle repair” or “instant hydration” might be exaggerated and not deliver the promised results.
  • There’s no all-purpose shampoo.
  • There are different variants for different hairstyles or types.
  • This brand is not vegan or cruelty-free.
  • These may not be available widely.
  • The impact on the environment is not clear.
  • Parfum, i.e., used for fragrance, can cause allergic reactions in some individuals.
  • There are some essential oils in this that might irritate the skin.
  • The correct quantity of salt is not provided, so excessive use can dry some hair types.
  • Polyquaternium-10 is an antistatic agent that may build up on hair with overuse.
  • Glycol distearate is used as a thickening and conditioning agent. This may weigh down fine hair.

Kirkland Review:

images of Nexxus vs Kirkland Shampoo

Kirkland is a luxurious, professional salon-formulated shampoo. This is designed to gently cleanse hair while reviving and maintaining the required moisture. It has a blend of great essential oils. These oils help improve the overall performance, manageability, and vibrancy of your hair. Its formula is sulfate-free and is also safe for color-treated hair. Its country of origin is the US, and the manufacturer is Kirkland Signature.


  • Brand: Kirkland Signature
  • Product Name: Kirkland Signature Professional Salon Formula Moisture Shampoo
  • Type: wet shampoo
  • Formula: lightweight, transparent
  • Size- 33.8
  • Scent: Unscented
  • Cruelty-free- Yes
  • Vegan- Yes
  • Sulfate-Free: Yes
  • Paraben-free: Yes
  • Gluten-free: Yes
  • Dye-free: Yes.

Price: 23.84


water/aqua/eau, sodium cocoyl isethionate, cocamidopropyl hydroxysultaine, sodium lauroyl methyl isethionate, decyl glucoside, disodium cocoyl glutamate, disodium laureth sulfosuccinate, sodium lauryl sulfoacetate, amodimethicone, glycerin, glycol distearate, panthenol, sodium cocoyl glutamate, peg-120 methyl glucose dioleate, quaternium-91, fragrance (parfum), divinyldimethicone/dimethicone copolymer, c11-15 pareth-7, polyquaternium-10, ppg-3 benzyl ether myristate, methyl gluceth-20, guar hydroxypropyltrimonium chloride, trisodium ethylenediamine disuccinate, chlorphenesin, laureth-9, trideceth-12, phospholipids, helianthus annuus (sunflower) seed oil, hydrolyzed vegetable protein pg-propyl silanetriol, benzoic acid, c12-13 pareth-3, c12-13 pareth-23, phenoxyethanol, polyaminopropyl biguanide, pentasodium triphosphate, magnesium nitrate, superoxide dismutase, citric acid, potassium sorbate, disodium edta, methylchloroisothiazolinone, tocopheryl acetate, sodium ascorbyl phosphate, magnesium chloride, methylisothiazolinone, tocopherol, punica granatum extract, persea gratissima (avocado) fruit extract, lycium barbarum fruit extract, cucumis sativus (cucumber) fruit extract, camellia sinensis leaf extract, aloe barbadensis leaf extract, melanin, pentylene glycol, vitis vinifera (grape) seed extract, ethylhexylglycerin


  • The price is much less than other salon professional products.
  • The price does not compromise the quality of the ingredients.
  • Large quantity of shampoo.
  • Usually, large bottles last for a long time.
  • These are sulfate, gluten, and paraben-free.
  • Reported to improve the hydration, texture, and manageability of hair.
  • Kirkland doesn’t test on animals; hence, it is cruelty-free.
  • The formula was specially created to provide professional-grade results.
  • This is a gentle cleanser and maintains hair moisture too.
  • This is 100% vegan.
  • No dyes are used in this.
  • It is best suited for colored hair.
  • These are unscented, so there is no overpowering or irritation.
  • It has gentle cleansers derived from coconut oil.
  • It has other mild cleansing agents.
  • Glycerin is present to hydrate and condition hair.
  • Panthenol (Vitamin B5) moisturizes and conditions hair, hence promoting healing.
  • Helianthus annuus (sunflower) seed oil is there to nourish and condition hair.
  • Hydrolyzed vegetable protein is present to strengthen and repair hair.
  • Citric acid is there to adjust the pH balance.
  • Antioxidants are also present to protect hair from damage.
  • Aloe Barbadensis Leaf Extract is present in soaps and moisturizes the scalp.
  • Melanin provides natural color and protects hair from UV damage.
  • Vitis vinifera (grape) seed extract is an antioxidant that protects hair from damage.
  • Polyaminopropyl biguanide is an antibacterial agent.


  • The thicker consistency of some formulas might not be suitable for all hair types, especially fine or oily hair.
  • As it is unscented, some users may prefer scented options for a more pleasant experience.
  • It is available only in a single size (33.8 oz).
  • May only be accessible through specific retailers or membership clubs.
  • The results may vary depending on individual hair types and conditions.
  • The packaging design is not as visually appealing or convenient for some users.
  • Since this is a sulfate-free shampoo, a lot of surfactants are required to help it foam up.
  • Amodimethicone, Divinyldimethicone, and Dimethicone Copolymers are silicones.
  • Silicones can build up on hair and weigh it down.
  • Silicone may irritate sensitive scalps.
  • Fragrance (perfume) can cause allergic reactions in some individuals.
  • Quaternium-91 is a formaldehyde releaser. This is an irritant for sensitive scalps.
  • Phenoxyethanol is an irritant for sensitive skin.
  • Methylisothiazolinone and methylchloroisothiazolinone are allergens and irritants.
  • Natural extracts can cause allergic reactions in some individuals.
  • Glycol distearate may weigh down fine hair.
  • Thickeners may affect hair texture for some.
  • Surfactants can be slightly drying for some hair types.
  • Cleansers may be slightly drying for some hair types.

Nexxus vs Kirkland Shampoo: Comparison table 

FeatureNexus Shampoo Kirkland Shampoo 
Brand OriginUSUS
Variants AvailableYes, with various ratingsNo variants mentioned
Size Options13.5 oz, 3 oz, 38.5 oz (may vary)33.8 oz
ScentAvailable in various scentsUnscented
ProsWide range targeting specific hair concerns/types high-quality ingredients scientifically backed formulation Variety of scents and sizes availableLower price compared to other salon brandsCruelty-free and veganSulfate, gluten, and paraben-free Reported improvements in hair texture and manageability
ConsNot cruelty-free or vegan Limited availabilityPotential environmental impact unclearSome scents may be overpowering/irritatingLimited availabilityThicker consistency may not suit all hair typesUnscented may not appeal to all users

Final Verdict: Nexxus vs Kirkland shampoo

Now we know all about the Nexxus and Kirkland Shampoo. We’ve also seen a comparative account of both as well. Hence, now it’s time to state the final verdict. This will make your choice much simpler. Here we have divided the final version on the basis of the following parameters:

  1. Brand and Range:
  • Nexxus offers a wide range of shampoos. This targets specific hair concerns or types. Hence, more options for users.
  • Kirkland, on the other hand, has a very limited range mentioned.
  1. Packaging and Presentation:
  • Nexxus has different packaging based on the variant, which is generally appealing.
  • Kirkland has simpler packaging, which may not be visually appealing to some users.
  1. Ingredients and Transparency:
  • Both brands provide detailed ingredient lists. So,  ensuring transparency for consumers.
  1. Legal and Regulatory Compliance:
  • Both brands follow relevant regulations, ensuring product safety.
  1. Affordability:
  • Kirkland offers a lower price compared to other salon brands. This makes it more affordable for consumers.
  1. User Compliance:
  • Both brands are generally well-received by users. Therefore, having satisfactory performance.
  1. Customer Support:
  • The customer support experience may vary depending on the retailer. 
  • Both brands generally have positive reputations for quality.
  1. Allergen:
  • Nexxus has no such mentioned allergens. 
  • Kirkland has allergens like Silicone, Fragrance (perfume), Quaternium-9, Phenoxyethanol, Methylisothiazolinone, methylchloroisothiazolinone, and Natural extracts
  1. Scientific Evidence:
  • Nexxus is backed by scientific research. 
  • But there’s no specific mention of scientific evidence for Kirkland.
  1. Value for Money:
  • Nexxus provides quality ingredients and Kirkland offers excellent value for its lower price.
  1. Long-Term Benefits:
  • Nexxus improves hair health and appearance. 
  • Kirkland is said to enhance hair texture and manageability.
  1. Time to See Results:
  • The time to see results varies based on individual hair types and conditions for both brands.
  1. Precautions and Contraindications:
  • Both shampoos may have the potential for irritation. It is due to certain ingredients, so users should be cautious, especially those with sensitivities.

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