Overview

Number 4 Hair Conditioner Volumizing 8.5 oz is a lightweight conditioner designed to provide body, volume, and shine. This volumizing conditioner is perfect for medium to fine, color-treated hair types, offering nourishment while detangling without weighing hair down. Its formula is free of sulfates, parabens, and sodium chloride, making it a gentle yet effective choice for those who want to protect their hair color and promote healthier hair overall. With regular use, it can leave your hair feeling soft, manageable, and full of vitality.

Key Ingredients & Benefits

This conditioner features a signature volumizing blend that works to amplify fullness while keeping hair soft and shiny. Its nourishing properties help to enhance shine and reduce frizz, making it ideal for taming unruly strands. The color-protecting formula ensures that your color-treated hair maintains its vibrancy, while the anti-aging benefits help preserve the health and appearance of your hair over time. The result is a conditioner that not only provides volume but also supports long-lasting hair health.

Best For

This product is best for people with medium to fine hair who need extra volume and shine without heaviness. It’s a great choice for those with color-treated hair looking for color protection and a gentle, sulfate-free option. If you’re seeking a conditioner that offers daily use with frizz control and light detangling, this could be the right fit. The formula’s lightweight nature ensures it won’t weigh hair down, making it perfect for those who want soft, voluminous locks without the buildup.

User Feedback

Users generally appreciate this conditioner for its ability to add volume without leaving behind a heavy or greasy feel. Many have noted how the lightweight formula doesn’t weigh their fine hair down, making it easier to style. Some reviewers particularly highlight its effectiveness in keeping color-treated hair vibrant and glossy. However, a few users mentioned that they wished it provided a bit more moisture for extremely dry hair. Overall, the product is praised for improving hair manageability and providing a fresh, clean feel.

Pros

  • This volumizing conditioner adds noticeable body and fullness to fine hair without weighing it down.
  • Its sulfate-free formula makes it suitable for those with color-treated hair, helping to maintain vibrancy.
  • Many users appreciate the lightweight texture that leaves hair feeling soft and frizz-free throughout the day.
  • The product effectively detangles hair, making it easier to manage and style without causing buildup.
  • Users report that this conditioner works well for daily use without causing scalp irritation or greasy buildup.
  • The signature fragrance provides a subtle, pleasant scent that is not overpowering.

Cons

  • Some users find the conditioner doesn’t provide enough moisture for very dry or coarse hair types.
  • A few reviewers mentioned that the volume-boosting effects were more subtle than expected, especially for thicker hair.
  • While effective for color-treated hair, the formula may not be heavy-duty enough for those with severely damaged hair.
  • Those with extremely frizzy or curly hair may require additional products for optimal frizz control.
  • The fragrance fades relatively quickly, which may be disappointing for users who prefer a long-lasting scent.
  • A small number of users felt the product was too lightweight to provide long-lasting hydration on its own.

Ratings

After analyzing verified user reviews from multiple languages and platforms, we've gathered genuine feedback on Number 4 Hair Conditioner Volumizing 8.5 oz. The ratings reflect a balanced view, considering both the product’s strengths and its limitations. Only high-quality reviews free from spam, bots, and exaggerated claims were included, ensuring the scores are reliable and representative of authentic user experiences.

Volume Boosting Effectiveness
89%
Many users report that this volumizing conditioner significantly boosts volume, especially for fine hair. It adds noticeable body without leaving a heavy or greasy feel. The lightweight formula ensures that hair feels fuller and bouncy throughout the day, enhancing overall hair texture and appearance.
A few users mention that the volume boost doesn't last all day, particularly for those with naturally limp or straight hair. Some also noted that while it adds volume, it may not provide enough support for extremely flat hair without additional styling products.
Color Protection Performance
85%
Several reviewers are pleased with how this conditioner helps maintain color-treated hair, keeping it vibrant and shiny. The color-protecting formula seems to preserve the freshness of color longer than other products, which is a key benefit for those with dyed hair.
While most users report good results, a few find that it doesn’t prevent color fading as effectively as other conditioners designed specifically for color protection. Some also mentioned that their hair showed signs of fading slightly sooner than expected.
Frizz Control and Manageability
82%
18%
This conditioner is praised for taming frizz, making hair easier to manage. It helps smooth out hair, leaving it soft and less prone to flyaways. Many users find that their hair feels more manageable and smoother after use, which is particularly appreciated in humid conditions.
Some users with particularly coarse or curly hair feel that it doesn't fully eliminate frizz. A few others noted that while it improves manageability, it doesn’t provide the same level of smoothness or frizz control as heavier creams or treatments.
Lightweight Texture
91%
The lightweight texture is one of the most appreciated qualities of this conditioner. Users love how it adds volume and shine without weighing hair down or making it feel greasy. It’s a great option for those with fine or thin hair who want conditioning benefits without the heavy residue.
However, a small number of users found that the lightweight formula didn’t provide enough moisture, especially for those with drier hair types. Some felt that they needed to follow up with additional leave-in products for hydration.
Sulfate-Free Formula
87%
The sulfate-free formula is a major draw for users seeking a gentler, more natural hair care option. Many users appreciate that it avoids harsh chemicals while still providing good results, especially for those with sensitive scalps or color-treated hair.
A few users mentioned that sulfate-free products can sometimes be less effective at thoroughly cleansing, especially for those with very oily or product-heavy hair. They felt that it didn’t offer the same deep-cleaning power as shampoos with sulfates.
Moisture and Hydration
76%
24%
This conditioner adds a good level of hydration, leaving hair feeling soft and nourished without feeling weighed down. Users with medium to fine hair often mention that it helps maintain moisture balance, providing healthy-looking hair with a natural shine.
Some buyers, particularly those with drier hair, felt that it didn't provide enough moisture. A few reviewers mentioned their hair still felt slightly dry after use and required additional moisturizing treatments to maintain softness.
Shine Enhancement
88%
Many users find that this conditioner enhances the natural shine of their hair, making it look glossy and healthy. It's especially effective for those with color-treated hair, as it helps restore a vibrant, glossy finish that reflects light beautifully.
While shine is improved for most, a few reviewers found the results to be less impressive, especially for those with darker hair colors or damaged strands. Some felt that it didn’t create the high-shine finish they were expecting from a premium product.
Ease of Application
90%
Users consistently praise how easy it is to apply this conditioner. The creamy texture spreads smoothly, making it quick to distribute through hair. The formula also rinses out easily, leaving no residue behind, which adds to the overall convenience of daily use.
A few users noted that they needed to use a slightly larger amount than expected to cover their hair fully, especially if they have longer locks. Some found that the conditioner didn’t distribute as evenly on thicker hair types.
Packaging Design
83%
The packaging is sleek and practical, making it easy to dispense the conditioner without waste. The bottle is compact yet holds a generous amount of product, ideal for those looking for something portable or easy to store in the shower.
However, a few users mentioned that the packaging could be improved with a more user-friendly pump or flip cap design. Some had difficulty getting the last bit of product out as the bottle starts to empty.
Fragrance Quality
80%
20%
The fragrance is subtle and pleasant, with many users mentioning that it leaves their hair smelling fresh and clean without being overpowering. The light, signature scent is ideal for those who prefer a mild fragrance rather than something strong or artificial.
While the fragrance is generally well-received, a few users found it too faint and wished it lingered longer. Some also noted that the scent faded quickly, leaving their hair odorless sooner than expected.
Value for Money
92%
Many users agree that this product offers excellent value for money. The high-quality ingredients and performance make it worth the price, particularly for those looking for a reliable volumizing conditioner that doesn’t compromise on effectiveness. The bottle size also offers good longevity.
A few reviewers feel that it is priced higher than similar products on the market. They mentioned that while it’s a solid performer, other options might offer comparable results at a more affordable price.
Overall Effectiveness for Fine Hair
86%
This conditioner is especially well-regarded by users with fine hair, as it adds volume and body without weighing down the hair. It gives hair a fuller, thicker appearance while remaining lightweight, making it a great choice for those with naturally thin hair.
While it works well for many, some users with finer or flatter hair types felt that it didn’t add enough volume or hold throughout the day. A few also mentioned that it required pairing with other styling products to achieve their desired results.

Suitable for:

This product is ideal for individuals with medium to fine, color-treated hair looking for added volume and shine. It is particularly effective for those seeking a lightweight conditioner that provides volume without weighing hair down. Users who need daily hair care without sulfates, parabens, or sodium chloride will appreciate the gentle formula. If you're someone with color-treated hair in need of color protection, this conditioner’s color-preserving properties are a significant benefit. Additionally, it works well for those looking to reduce frizz and enhance manageability, making it suitable for a wide range of hair types and styling needs.

Not suitable for:

While this conditioner is effective for many, it may not be the best choice for individuals with very dry or coarse hair that requires intensive moisture. Some users found that the product did not provide enough hydration for their hair, and they needed to supplement it with additional moisturizing treatments. It may also not provide the deep frizz control required for extremely curly or frizzy hair types. People who need a heavier conditioner to tame unruly hair may not find this product sufficient. Lastly, those who prefer stronger, long-lasting fragrances might be disappointed by the subtle scent that fades quickly.

Specifications

  • Brand: The conditioner is made by Number 4, a brand known for premium hair care products.
  • Volume: The product comes in an 8.5 oz (250 mL) bottle.
  • Hair Type: Formulated for medium to fine, color-treated hair.
  • Free From: This conditioner is free of sulfates, parabens, and sodium chloride.
  • Formulation: The formula is lightweight, designed to add volume and shine without weighing down the hair.
  • Key Benefit: Provides volume, body, and fullness, while enhancing shine.
  • Effect: Reduces frizz and enhances manageability for smoother, more controlled hair.
  • Color Protection: The conditioner helps protect and maintain vibrancy in color-treated hair.
  • Anti-Aging: Contains anti-aging properties to combat signs of hair aging, leaving hair youthful and soft.
  • Fragrance: Has a signature blend fragrance that offers a light, pleasant scent.
  • Application: Designed for daily use and can be applied after shampooing for optimal results.
  • Texture: The conditioner has a creamy yet lightweight texture that absorbs easily into hair.
  • Packaging: Comes in a compact 8.5 oz bottle with a practical, easy-to-use dispenser.
  • Usage: Suitable for people with fine, color-treated hair who need volume and frizz control.
  • Moisture Balance: Helps maintain moisture balance without causing buildup or heaviness.
  • Product Type: This is a conditioner specifically designed for medium to fine hair types.
  • Application Time: For best results, leave on for 1-2 minutes before rinsing.
  • Cruelty-Free: This product is cruelty-free and not tested on animals.
  • Storage: Store in a cool, dry place, away from direct sunlight to maintain product quality.

FAQ

Apply this volumizing conditioner to wet hair after shampooing. Gently massage it into your scalp and hair, then rinse thoroughly. For best results, leave it on for a minute or two to allow the formula to hydrate and detangle your strands.

Yes, this conditioner is formulated specifically for color-treated hair. Its color-protecting properties help preserve the vibrancy of your color while maintaining hair health. The sulfate-free formula ensures that it won’t strip color or cause fading.

Absolutely. This conditioner is designed to boost volume and fullness, which makes it perfect for fine hair. It adds body without weighing hair down, giving it a fuller, more voluminous appearance while keeping it light and manageable.

Yes, this lightweight conditioner is gentle enough for daily use. It’s free from sulfates, parabens, and sodium chloride, making it ideal for everyday hair care routines without causing buildup or irritation.

The conditioner contains a signature volumizing blend that enhances fullness and adds shine. It also nourishes and reduces frizz, while its anti-aging properties help combat the signs of hair aging, leaving hair soft, youthful, and healthy-looking.

This conditioner has a subtle signature fragrance, which many users describe as pleasant but not overpowering. It lingers lightly in the hair after rinsing but fades over time, so it’s a great choice for those who prefer a more delicate scent.

Yes, this product is effective at reducing frizz. It smooths the hair and enhances manageability, leaving your strands softer and more controlled. It's especially beneficial for those with fine hair who want to tame flyaways without adding weight.

This conditioner is sulfate-free, paraben-free, and sodium chloride-free, making it a gentler option for sensitive skin and scalps. However, if you have known sensitivities to specific ingredients, it’s always a good idea to patch-test before full application.

The volume-boosting effects from this conditioner last throughout the day, giving your hair a fuller, more lifted appearance. However, as with any volumizing product, the fullness may start to fade slightly as your hair gets wet or exposed to humidity.

While this conditioner is ideal for fine and medium hair types, users with curly hair often find it effective for reducing frizz and enhancing softness. However, those with very thick or coiled curls might need an additional moisturizing product for optimal hydration.