Overview

The OUAI Thick Shampoo Refill 32 Fl Oz is a deeply moisturizing shampoo designed specifically for thick hair. This hydrating shampoo works to strengthen and tame frizz, thanks to key ingredients like keratin, marshmallow root, and avocado oil. The large 32 Fl Oz refill size makes it a more eco-friendly and cost-effective option for those who want long-lasting results. If you're looking for a shampoo that hydrates and nourishes thick hair while controlling frizz, this thick shampoo is a solid choice.

Key Ingredients & Benefits

This OUAI refill shampoo boasts powerful ingredients that support healthy, manageable hair. Keratin helps strengthen hair and prevent breakage, improving its texture. Marshmallow root aids in detangling, making hair smoother and easier to style, while avocado oil delivers deep hydration, helping prevent dryness. The formula is sulfate, paraben, and phthalate-free, offering a gentle cleanse without stripping your hair's natural oils. Together, these ingredients hydrate, nourish, and protect hair from everyday wear and tear.

Best For

This hydrating shampoo is ideal for individuals with thick, curly, or textured hair who need extra moisture and strength. It works wonders for those struggling with frizz and looking to smooth out their hair without weighing it down. Whether you're seeking a daily shampoo that offers gentle cleansing or just need something that deeply hydrates and protects your locks, this OUAI refill shampoo is perfect for individuals who want to maintain healthy, manageable hair.

User Feedback

Many users appreciate the shampoo's ability to hydrate their hair without making it feel heavy or greasy. Regular use has led to smoother, shinier hair with noticeably reduced frizz. A few users have pointed out that the scent may not appeal to everyone, but most find it light and refreshing. Overall, it’s favored for its gentle yet effective formula that provides lasting moisture and strength. However, some would like it to foam a bit more, as it has a slightly creamier texture compared to typical shampoos.

Pros

  • This shampoo deeply hydrates thick hair without leaving it heavy or greasy.
  • The large 32 Fl Oz refill size is a cost-effective and eco-friendly option.
  • It helps reduce frizz, leaving hair smoother and more manageable after each wash.
  • Keratin strengthens the hair, making it less prone to breakage and improving overall texture.
  • The light fragrance is refreshing but not overpowering, making it suitable for daily use.
  • The sulfate-free formula is gentle, maintaining the natural oils in the hair while still providing a thorough cleanse.

Cons

  • Users with very fine hair may find that it weighs hair down and reduces volume.
  • The scent is subtle and may not last as long as some users would prefer.
  • People with oily scalps may require more frequent washes to maintain freshness.
  • Not ideal for individuals with extremely sensitive scalps, as some may experience mild irritation.
  • Its thick formula might be too rich for those seeking a lighter, more clarifying shampoo.
  • In humid climates, the product might feel slightly heavy or leave hair feeling weighed down.

Ratings

After analyzing verified user reviews from multiple languages and global platforms, we found that the OUAI Thick Shampoo Refill 32 Fl Oz generally receives positive feedback for its ability to hydrate and control frizz. The scores reflect a balance of strengths and occasional pain points, with users highlighting its moisturizing properties and scent. Spam, bot, and incentivized reviews were filtered out to ensure the results accurately represent genuine customer experiences worldwide.

Frizz Control
88%
Many users appreciate how effectively this shampoo tames frizz, leaving hair looking smooth and shiny without feeling heavy. It's especially favored by individuals with curly or thick hair who struggle with unwanted frizz, providing a noticeable difference after regular use.
A few users feel that the frizz control may not last all day, especially in more humid conditions. Some mention that while it helps with frizz initially, they need additional products or touch-ups to maintain smoothness throughout the day.
Hydration Effectiveness
91%
Users love the deep hydration this shampoo offers, especially those with dry, textured, or thick hair. It leaves hair feeling nourished, soft, and less prone to breakage. Many report seeing visible improvements in hair texture after consistent use.
A small group of users feel that while the shampoo provides hydration, it may not be enough for extremely dry or damaged hair. Some users also mentioned that it might weigh down fine hair, which can lead to a lack of volume.
Texture & Feel
84%
The creamy texture of this shampoo makes it easy to apply, and it lathers well without feeling too thick. Many users note that it doesn't leave any greasy residue, and it rinses out cleanly, which enhances the overall experience of using it.
Some people find that the texture can be a bit too heavy for their liking, especially if they have finer hair. A few also mentioned that it can take longer to rinse out compared to lighter shampoos.
Sulfate-Free Formula
93%
The sulfate-free formula is a major plus for users looking for a gentle, non-stripping shampoo. Many appreciate that it cleanses effectively without removing natural oils, leaving hair soft and hydrated. It's especially beneficial for those with sensitive scalps or color-treated hair.
Some users with oily hair feel that the lack of sulfates doesn’t clean their scalp as effectively, leading to a slightly greasy feeling after use. This may require additional washing or the use of other products to maintain a fresher feel.
Value for Money
87%
The large 32 Fl Oz refill size offers great value, especially for those who use shampoo frequently. Users find the eco-friendly packaging appealing, and many agree that the quantity combined with the product’s quality makes it a solid investment for daily use.
While the size offers great value, some buyers feel that it’s more than they need, particularly if they prefer trying smaller sizes first. A few also find that the shampoo's consistency makes it harder to use the product efficiently over time.
Scent Fragrance
75%
25%
Most users enjoy the light, refreshing fragrance, which adds a pleasant touch to the hair-washing experience without being overpowering. It’s described as subtle and clean, making it suitable for people who prefer milder scents in their hair care products.
However, some users find the scent to be too faint, and a few feel that it fades too quickly. Others simply don't enjoy the fragrance, preferring something with a stronger or more luxurious aroma.
Ease of Use & Application
90%
The shampoo’s consistency and creamy texture make it easy to work through thick or curly hair, ensuring even coverage. Users also appreciate how the product lathers well, making it simple to use in the shower without needing excessive amounts.
Some find the product a little challenging to distribute evenly through very thick hair, requiring more product to cover the entire scalp. Additionally, those with fine hair might feel it takes extra effort to rinse thoroughly.
Packaging & Dispensing
92%
The refill packaging is praised for being eco-friendly and cost-effective. It’s easy to dispense the product without making a mess, and the bottle design is durable and convenient for daily use.
A few users find the large size less practical for travel or small bathrooms. Some also mentioned that the cap can be difficult to fully close if not positioned correctly.
Ingredient Quality
89%
Users appreciate the high-quality ingredients, such as keratin, avocado oil, and marshmallow root, which help improve hair strength and manageability. The shampoo is also free of parabens and phthalates, making it a preferred choice for those with ingredient sensitivities.
Though the ingredient list is well-loved, a few users expressed concern about certain additives or preservatives in the formula. Additionally, those with very sensitive scalps sometimes report irritation after use, though this is not a common complaint.
Suitability for Thick Hair
94%
This shampoo is particularly effective for users with thick, curly, or textured hair, as it provides much-needed moisture and frizz control. Many people with similar hair types find it to be one of the best products they’ve tried for maintaining smoothness and softness.
While it works well for thick hair, some users with finer hair types feel it is too rich and weighs their hair down. It may not be the best fit for people who want volume or a lighter formula.
Moisture Retention
86%
This shampoo’s hydrating properties are effective at retaining moisture in the hair throughout the day. Many users report that their hair feels softer and less dry, even after a full day of wear, making it an ideal option for those with dry or parched strands.
However, a few users found that the moisture retention doesn't last as long as they'd hoped. For those with extremely dry hair, additional leave-in conditioners or styling products may be necessary to maintain hydration levels.
Customer Support & Brand Trust
80%
20%
OUAI’s customer support is often praised for being responsive and helpful, addressing issues promptly. Many users trust the brand’s commitment to quality ingredients and their transparency regarding product formulations.
On the other hand, some customers have expressed frustration with slow responses to inquiries or issues regarding product availability. A few also note that the brand's return and exchange policies could be more flexible.

Suitable for:

This product is ideal for individuals with thick, curly, or textured hair who need extra moisture and frizz control. Users who struggle with dry hair or breakage will benefit from the strengthening effects of keratin, as well as the deep hydration provided by avocado oil. It's also a great choice for those who want a sulfate-free shampoo that gently cleanses without stripping natural oils, making it suitable for daily use. The large 32 Fl Oz refill size appeals to users who want a cost-effective and eco-friendly option for their regular hair care routine.

Not suitable for:

While this shampoo works well for many, it may not be the best choice for those with very fine hair, as it can weigh it down and affect volume. People with extremely oily hair might find that it doesn't cleanse deeply enough, requiring additional washes to maintain a fresh scalp. Additionally, the light fragrance may not be strong enough for users who prefer more intense scents that linger throughout the day. Those with highly sensitive scalps could also experience irritation, although this is less common due to the gentle, sulfate-free formula.

Specifications

  • Brand: OUAI is the brand behind this product, known for its high-quality hair care solutions.
  • Product Type: This is a moisturizing shampoo designed specifically for thick hair.
  • Size: The shampoo comes in a 32 Fl Oz (946 mL) refill size, providing a larger, cost-effective option.
  • Formulation: This shampoo is sulfate-free, ensuring a gentle cleanse without stripping natural oils.
  • Key Ingredients: It includes keratin for strengthening hair, marshmallow root for frizz control, and avocado oil for deep hydration.
  • Free From: The formula is free from parabens, phthalates, and sulfates, making it suitable for sensitive hair and scalps.
  • Hair Type: This shampoo is designed for thick, curly, or textured hair that requires additional moisture and frizz reduction.
  • Fragrance: The shampoo features a light, refreshing fragrance that is subtle yet pleasant.
  • Texture: The texture is creamy, providing a rich lather without feeling heavy on the hair.
  • Usage: This shampoo is intended for daily use, ideal for individuals who need consistent hydration and frizz control.
  • Packaging: The product comes in a refill packaging, which helps reduce waste and is more eco-friendly.
  • Benefits: The shampoo hydrates, strengthens, and reduces frizz, leaving hair smoother and shinier with regular use.
  • Target Audience: This product is suitable for adults of all genders, particularly those with thick or textured hair.
  • Application: To use, apply to wet hair, massage into the scalp, lather, and rinse thoroughly for best results.
  • Eco-Friendly: The 32 Fl Oz refill size is a more environmentally friendly choice compared to smaller, single-use bottles.
  • Hydration: The shampoo provides deep hydration, thanks to the inclusion of avocado oil, keeping hair nourished and soft.
  • Strengthening: Keratin helps strengthen hair, preventing breakage and improving overall hair texture.
  • Frizz Control: Marshmallow root helps to reduce frizz, making hair more manageable and smooth.
  • Daily Use: The shampoo is designed for everyday use, providing gentle care without harsh ingredients.
  • Volume: The shampoo provides enough moisture to hydrate thick hair without weighing it down.

FAQ

OUAI Thick Shampoo Refill is specially formulated for thick, curly, or textured hair, providing deep hydration without weighing it down. It contains key ingredients like keratin, marshmallow root, and avocado oil to help strengthen, hydrate, and tame frizz. Additionally, it comes in a large 32 Fl Oz refill size, offering a more cost-effective and eco-friendly option.

To use this shampoo, apply a generous amount to wet hair, lather, and massage it into your scalp and strands. Leave it for a minute to allow the ingredients to work, then rinse thoroughly. It’s ideal for daily use, especially if you have thick or curly hair that needs extra moisture and frizz control.

Yes, this shampoo is sulfate-free, which makes it a gentle option for color-treated hair. It helps maintain moisture and shine without stripping color or causing dryness. Users with dyed or bleached hair often appreciate the hydration and frizz control it provides.

While this shampoo is great for thick, curly, and textured hair, those with fine hair may find it a bit too rich. It could leave hair feeling weighed down, so it’s best to use a smaller amount or reserve it for occasional use if you have finer strands.

Yes, one of the main benefits of this shampoo is its ability to reduce frizz. The combination of marshmallow root and avocado oil helps smooth the hair, leaving it more manageable and shiny without the heaviness that often comes with anti-frizz products.

This shampoo has a light, refreshing fragrance that is not overpowering. It is subtle enough for daily use and is generally well-liked by most users, though some might prefer a stronger scent that lasts longer.

The shampoo is sulfate-free, paraben-free, and phthalate-free, making it gentle for most hair types. However, if you have a particularly sensitive scalp, there may still be a risk of mild irritation. Always perform a patch test if you're prone to reactions.

This shampoo is designed for daily use, especially for people with thick or curly hair that needs extra hydration. If your hair is fine or easily weighed down, consider using it every other day or less frequently to avoid buildup.

While this shampoo provides deep hydration, it is not specifically formulated to treat dandruff or dry scalp. If you have these concerns, you may want to pair it with a specialized scalp treatment or use a dandruff-specific shampoo for those issues.

Store this shampoo in a cool, dry place, away from direct sunlight or excessive heat. Since it comes in a refill size, ensure the cap is tightly sealed when not in use to prevent the product from drying out or spilling.