Soapbox Biotin Shampoo 1L

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84%
88%
Volumizing Effectiveness
85%
Hair Softness and Texture
90%
Suitability for Sensitive Scalps
92%
Sulfate-Free Formula Performance
84%
Collagen and Biotin Benefits
78%
Ease of Use and Application
63%
Lather Quality
74%
Fragrance and Scent
88%
Packaging and Dispensing
91%
Value for Money
87%
Long-Term Results
93%
Color-Safe Performance
More

Overview

Soapbox Biotin Shampoo 1L is a volumizing shampoo that helps restore and strengthen hair. This nourishing formula is packed with biotin, collagen, and superfruit enzymes, all working together to promote thicker, healthier hair. The shampoo is designed to be gentle yet effective, with no sulfates, silicones, or harsh chemicals. It’s vegan, cruelty-free, and color-safe, making it suitable for all hair types, including color-treated hair. For those seeking fuller, more voluminous hair, this shampoo delivers a refreshing, natural solution.

Key Ingredients & Benefits

This biotin shampoo is enriched with powerful ingredients that work to nourish and revitalize hair. Biotin strengthens and thickens hair, while collagen adds volume and elasticity, giving it a fuller appearance. The inclusion of superfruit enzymes provides essential nutrients that leave hair feeling soft and smooth. Additionally, plum oil helps repair damaged strands, restoring a healthy texture. These ingredients come together to create a gentle formula that is effective for both restoring hair health and adding lasting volume.

Best For

This volumizing shampoo is ideal for individuals with thin or fine hair looking to add thickness and fullness. It's also perfect for those with color-treated hair who need a gentle, sulfate-free option. People who seek a cruelty-free, vegan shampoo will appreciate its natural formulation, which nourishes and strengthens without harsh chemicals. If you have a sensitive scalp, this shampoo offers a non-irritating solution that still delivers powerful volumizing results, making it a great choice for a variety of hair types.

User Feedback

Users generally appreciate the gentle, non-stripping formula that leaves hair feeling soft yet voluminous. Many have noticed significant improvements in hair thickness and volume after consistent use, making it a popular choice for individuals with thinning hair. Some with sensitive scalps have mentioned that this shampoo is gentle and does not cause irritation. On the downside, a few users report that the shampoo doesn’t produce as much lather as some other products, but this is likely due to the lack of sulfates. Overall, it’s well-received for its nourishing and long-lasting effects.

#Shampoos
#Shampoo & Conditioner
#Hair Care
#Beauty & Personal Care

Pros

  • This shampoo is gentle on sensitive scalps, leaving hair soft without irritation.
  • Users with fine or thin hair report noticeable volume and thickness after consistent use.
  • It is sulfate-free, making it a great choice for color-treated hair that needs gentle care.
  • Many appreciate that it is vegan and cruelty-free, aligning with ethical beauty preferences.
  • The formula contains biotin and collagen, which help to strengthen and nourish hair over time.
  • This product works well for people looking for a long-term solution to hair growth and volume.

Cons

  • Some users with very dry or damaged hair felt that it didn't provide enough moisture.
  • The shampoo lacks a rich lather, which may be disappointing for those who prefer a foamy texture.
  • A few buyers expected faster results in terms of hair thickness and growth.
  • It may not be hydrating enough for individuals with extremely coarse or textured hair.
  • The product's scent is subtle, which may not appeal to those who prefer stronger fragrances.
  • Not all users find the volumizing effect strong enough for long, heavy hair.

Ratings

After analyzing verified user feedback across multiple languages and platforms, the ratings for Soapbox Biotin Shampoo 1L reflect both strengths and areas for improvement. Our analysis filtered out spam, incentivized, and off-topic reviews to ensure a clear, authentic picture of this shampoo’s performance. Users worldwide have praised its volumizing effects, while some highlighted concerns over its lather and scent. The following ratings capture diverse insights from global customers on key aspects of this product.

Volumizing Effectiveness
88%
Many users report significant improvements in hair volume after regular use of this shampoo. Its ability to create fuller, thicker hair makes it a popular choice for those struggling with thin or fine hair. Several buyers have noted that the volumizing effect is noticeable without being overly heavy or greasy.
A few users felt that while it added volume, the effects didn’t last long enough throughout the day. Some also mentioned that they had to use a large amount of shampoo to achieve the desired volume, which may not be ideal for everyone.
Hair Softness and Texture
85%
This shampoo is praised for leaving hair feeling soft and manageable. Many reviewers mention how their hair feels smoother and more nourished after use. The blend of biotin and collagen helps improve texture, especially for those with dry or damaged hair.
A handful of users were disappointed with the shampoo's ability to hydrate extremely dry hair. Some noted that it didn't provide enough moisture for those with very coarse or textured hair types, requiring additional conditioning.
Suitability for Sensitive Scalps
90%
One of the standout features of this shampoo is its gentle formula, which users with sensitive scalps particularly appreciate. Many mentioned that it didn’t cause irritation or itching, even with frequent use. It’s a safe choice for individuals looking for a sulfate-free, non-irritating shampoo.
A few users with extremely sensitive scalps noted that while it was generally gentle, they still experienced mild discomfort. Some also mentioned the scent was a bit too strong for their liking, which led to a minor irritation.
Sulfate-Free Formula Performance
92%
Users appreciate that this shampoo is sulfate-free while still delivering a rich, satisfying lather. This makes it an excellent option for those with color-treated or dry hair who need a gentle cleansing experience without stripping natural oils. The formula cleanses effectively while maintaining hair health.
While most users were happy with its performance, a few mentioned that sulfate-free shampoos like this one tend to produce a less foamy lather, which can feel less satisfying during the washing process. Some also felt it took a little longer to rinse out compared to traditional shampoos.
Collagen and Biotin Benefits
84%
Many customers report that this shampoo leaves hair feeling stronger and fuller due to the biotin and collagen content. These ingredients are particularly beneficial for those aiming to support healthy hair growth or combat thinning. Several users have noticed a difference in the texture and resilience of their hair.
Some users felt that while the shampoo helped with general hair health, it didn’t significantly improve growth or prevent hair thinning. A few reviewers noted that the benefits from biotin and collagen weren’t as visible or dramatic as expected after several weeks of use.
Ease of Use and Application
78%
22%
The shampoo’s consistency is praised for being easy to work through hair. It applies smoothly and rinses out fairly well. Its gentle formula also makes it simple to use as part of a daily routine without feeling too harsh or drying.
Several users found the shampoo difficult to distribute evenly through thick or long hair, sometimes requiring multiple applications. Some also mentioned that the shampoo didn’t lather as much as they’d prefer, which made the washing process feel less efficient.
Lather Quality
63%
37%
Some users appreciate that it still creates a decent lather despite being sulfate-free, which makes for a more enjoyable washing experience. It's enough to feel that the shampoo is cleaning the hair properly without needing to use excessive amounts.
The lather was a major point of dissatisfaction for several users. Many felt that the shampoo didn’t foam up as much as other shampoos, which led them to use more product than necessary. This is especially a concern for those who prefer a rich, foamy lather for a thorough clean.
Fragrance and Scent
74%
26%
The scent of this shampoo is generally well-received, with many users describing it as fresh and pleasant. It’s not overpowering, which is ideal for those who don’t want a lingering fragrance. The fragrance does add to the overall refreshing experience of using the shampoo.
Some users found the scent to be a bit too strong for their preferences. A few noted that the fragrance lingered longer than expected, which could be unpleasant for individuals sensitive to scents. A handful also found the fragrance to be somewhat artificial.
Packaging and Dispensing
88%
The 1L size is a big hit with users, as it provides great value for money and ensures long-lasting use. The pump dispenser makes it easy to control the amount of shampoo used, reducing waste and providing a more convenient experience, especially in the shower.
Although the pump is convenient, a few users reported that it can get clogged or become stiff with continued use. Some also mentioned that the large size could be cumbersome to store or handle, particularly in smaller bathrooms.
Value for Money
91%
For the quality and effectiveness of this shampoo, many users believe it offers excellent value for money. The 1L bottle lasts a long time, making it a cost-effective choice for regular users. It's also an affordable option for those seeking a sulfate-free, vegan, and cruelty-free shampoo.
A few customers felt that the price point was still a bit high compared to other volumizing shampoos on the market. Some felt that while it works well, the performance doesn’t justify the price for those on a tight budget.
Long-Term Results
87%
Over time, users report seeing improvements in hair thickness and strength with continued use. Many mentioned that they noticed fuller, healthier hair after using the shampoo consistently for several weeks. The biotin and collagen seem to work well for long-term nourishment.
Some users did not see long-term benefits, particularly when it comes to hair growth or noticeable changes in thinning hair. A few buyers mentioned that the results plateaued after the first few uses, making it less effective as time went on.
Color-Safe Performance
93%
Users with color-treated hair rave about this shampoo’s ability to cleanse without stripping color. Many report that it helps maintain the vibrancy of their hair without causing fading or dullness. Its sulfate-free, gentle formula is perfect for those wanting to keep their color fresh.
While most users with color-treated hair were happy, a few mentioned that the shampoo’s gentle cleansing properties didn’t always remove product buildup or impurities as effectively. Some felt that a more robust clarifying formula would work better for their needs.

Suitable for:

Soapbox Biotin Shampoo 1L is an ideal choice for individuals with thin or fine hair looking to boost volume and thickness. Users seeking a gentle, sulfate-free, and color-safe formula will benefit, especially those with color-treated or damaged hair. Its nourishing blend of biotin, collagen, and superfruit enzymes supports healthy hair growth and provides long-term volumizing effects. Those with sensitive scalps will also appreciate its non-irritating, cruelty-free, and vegan qualities, making it suitable for daily use without causing discomfort.

Not suitable for:

While many users find this shampoo effective, it may not be the best choice for individuals with extremely dry or coarse hair. Some buyers report that it doesn't provide enough hydration or moisture for very damaged hair, requiring additional conditioning. Additionally, people who prefer a rich, foamy lather may find the product's gentle, sulfate-free formula less satisfying. Buyers who expect immediate results in hair growth or thicker hair may also be disappointed, as the benefits tend to appear gradually over time.

Specifications

  • Size: This product is available in a 1L size, providing a generous amount for long-term use.
  • Biotin: Formulated with biotin to strengthen hair, reduce thinning, and promote healthy growth.
  • Collagen: Contains collagen, which helps add volume, elasticity, and thickness to hair.
  • Superfruit Enzymes: Enriched with superfruit enzymes that nourish and provide smoother, healthier hair.
  • Plum Oil: Infused with plum oil to hydrate and repair damaged hair, leaving it softer.
  • Vegan: The shampoo is vegan, containing no animal-derived ingredients.
  • Cruelty-Free: This product is cruelty-free, meaning it is not tested on animals.
  • Sulfate-Free: The formula is free from sulfates, ensuring it is gentle on the hair and scalp.
  • Color-Safe: This shampoo is color-safe, helping maintain hair color without stripping it.
  • Suitable for All Hair Types: This shampoo is designed to work well with all hair types, including fine, thick, curly, and color-treated hair.
  • Sensitive Scalp Friendly: The shampoo is gentle enough for sensitive scalps and is non-irritating.
  • No Silicones: The product is free from silicones, which can weigh hair down or cause buildup.
  • Long-Term Volumizing Effects: Users have reported noticeable improvements in volume and thickness with consistent use.
  • Fragrance: The shampoo has a light, fresh fragrance that is not overpowering.
  • Hydration: Formulated to hydrate and nourish hair, improving texture and softness.
  • Non-Stripping: This shampoo cleanses the hair without stripping natural oils, leaving it soft and manageable.
  • Safe for Sensitive Skin: It is suitable for users with sensitive skin and does not cause irritation.
  • No Artificial Dyes: The shampoo is free from artificial dyes and colors, offering a more natural formula.
  • Made in the USA: This product is manufactured in the United States, adhering to quality standards.

FAQ

To use this shampoo, apply a generous amount to wet hair and massage it into your scalp and hair. Lather well, then rinse thoroughly. For optimal results, use consistently as part of your haircare routine.

Yes, this shampoo is sulfate-free and color-safe, making it a gentle choice for color-treated hair. It helps maintain your color while nourishing and volumizing your strands.

This shampoo is formulated with biotin to strengthen hair and reduce thinning, collagen to add volume and elasticity, and superfruit enzymes to provide nourishment. Plum oil hydrates and repairs damaged hair for a softer, healthier texture.

Yes, this shampoo is suitable for sensitive scalps. Users have reported that it is non-irritating and gentle, making it a good option for those with scalp sensitivity.

This shampoo stands out due to its combination of biotin and collagen, which help to not only add volume but also nourish and strengthen hair over time. It's also vegan, cruelty-free, and free of sulfates and silicones, which is a plus for those with delicate or color-treated hair.

The fragrance of this shampoo is subtle and fresh, so it may not be as strong as some other shampoos on the market. It’s ideal for users who prefer a light, clean scent rather than something overpowering.

While this shampoo contains biotin, which is known for supporting hair health, it’s primarily designed to add volume and thickness to fine or thinning hair. It may help create a fuller appearance over time with regular use.

Yes, this shampoo is suitable for all hair types. Its gentle, nourishing formula works well for people with fine, thick, curly, or color-treated hair, as well as those with sensitive scalps.

For the best results, use this shampoo 2–3 times a week, or more frequently if desired. Consistent use over time is key to noticing improvements in volume and hair health.

Most users report no irritation or side effects with this shampoo. However, if you have extremely sensitive skin or allergies to any of the ingredients, it's always a good idea to do a patch test first.