Overview

Liss Expert Stem Cells Smoothing Treatment 16.9 oz is a professional-grade product designed to help reduce frizz and enhance shine. This hair treatment works by providing long-lasting smoothness to unruly hair, making it more manageable. Ideal for people looking for a quick fix, it comes in a 16.9 oz size (8.45 oz x 2 pack), which is perfect for a single use on shoulder-length hair. With its advanced formula, this smoothing treatment is effective at controlling volume and providing a sleek finish. For those looking to tame frizz and add shine, this is a go-to product.

Key Ingredients & Benefits

This smoothing treatment features cutting-edge stem cell technology, designed to promote hair growth and reduce hair loss over time. Its organic and odorless formula ensures a more natural, pleasant application, making it ideal for sensitive users. The product also offers intense moisturizing and conditioning benefits, which leave hair looking and feeling healthier. Whether you have straight, wavy, or curly hair, this treatment helps in controlling frizz while promoting soft, manageable strands. It's a well-rounded option for anyone looking for a smoother, shinier hair texture.

Best For

This hair product is ideal for anyone dealing with frizzy, voluminous, or unruly hair who wants a smoother, more polished look. It's especially beneficial for those experiencing hair thinning or hair loss, thanks to the stem cell technology designed to support hair growth. Whether you have curly, wavy, or straight hair, this treatment works across all textures, making it versatile for a broad range of users. If you struggle with controlling volume or simply want to enhance your hair’s shine, this product could be the perfect addition to your routine.

User Feedback

Users report noticeable improvements in the smoothness and shine of their hair after using this product. Many highlight its effectiveness at controlling frizz and volume, making hair more manageable and giving it a sleek, polished finish. However, some users with very long hair noted that the formula works best for shorter or medium-length hair, as the amount in the pack might not be sufficient for longer styles. Overall, the product receives high marks for its long-lasting results and ability to transform hair texture, especially for those with challenging hair types.

Pros

  • Effective at reducing frizz and controlling volume for smoother, shinier hair.
  • Works well on various hair types, including curly, wavy, and straight.
  • Contains stem cell technology to promote healthier-looking hair and prevent hair loss.
  • Organic and odorless formula offers a natural, chemical-free treatment experience.
  • Ideal for people with thinning hair, as it helps stimulate hair growth.
  • Single application is sufficient for shoulder-length hair, making it a convenient choice for those with medium-length styles.

Cons

  • May not fully control volume for users with very coarse or thick hair.
  • Does not provide a strong fragrance, which some users may prefer.
  • Some users report that the results are subtle, with minimal impact on hair thickness.
  • The treatment is designed for one-time use on shoulder-length hair, which may not be cost-effective for longer hair.
  • Not suitable for individuals with extremely sensitive scalps, as some irritation may occur.
  • May not provide enough hydration for very dry or brittle hair types.

Ratings

After analyzing verified user reviews across multiple platforms and languages, we gathered authentic feedback on the Liss Expert Stem Cells Smoothing Treatment 16.9 oz. Our scoring takes into account diverse insights, from effectiveness in frizz control to overall usability, while filtering out any spam, bot-generated, or incentivized reviews. Both strengths and pain points are reflected in the scores, offering a comprehensive understanding of this product’s performance from real users worldwide.

Frizz Control
92%
Many users highlight how this product effectively tames frizz, even in humid conditions. It smooths hair, leaving it soft and manageable, with minimal flyaways. Those with coarse or unruly hair report significant improvements in smoothness, even on more challenging textures.
A few users note that the frizz control doesn’t last all day for them, especially in extreme weather conditions. Some also mention that it works better on finer hair than on thick, textured locks, leaving them slightly weighed down.
Volume Reduction
89%
Many buyers rave about how this product helps to reduce unwanted volume. It works well to flatten overly puffy hair, resulting in a sleek, polished look. The formula is appreciated for its non-greasy feel, which leaves hair looking natural without being flat.
On the downside, some users with naturally thick or voluminous hair find that it doesn't completely tame the volume they hoped for. A few report that while it reduces some volume, it doesn't create the ultra-flat look they were expecting.
Shine Enhancement
91%
Users are generally impressed with the noticeable shine this treatment provides. It adds a healthy, glossy finish without making hair look greasy or heavy. Many mention that their hair feels more radiant, even after several days of use, with consistent shine and smoothness.
Some users with very fine hair feel that the shine is a bit too intense, leading to a slightly greasy appearance after a few hours. A few others mention that the shine fades quicker than expected, especially on hair that tends to absorb products quickly.
Hair Growth Stimulation
77%
23%
Several users mention that they noticed a slight improvement in hair thickness after consistent use. The organic ingredients and stem cell technology are appreciated for being gentle yet effective, especially by those looking for a more natural hair care solution.
While some users report subtle improvements, many others feel that the product didn't have a significant impact on hair growth or thinning. A few express disappointment with the lack of visible results, especially when compared to other treatments marketed for hair loss.
Suitability for Different Hair Types
85%
This smoothing treatment is well-suited for a wide variety of hair types, with users of curly, wavy, and straight hair all praising its versatility. It smooths curls without weighing them down, and works just as effectively on straight hair, providing manageability and shine across the board.
However, some individuals with tightly coiled or highly textured hair report that the product doesn’t offer enough hydration or control for their needs. A few users mention that they required additional products to maintain results.
Ease of Application
88%
Many users find this treatment easy to apply and appreciate the clear instructions. The formula spreads evenly through the hair, and the dual-bottle packaging makes it simple to use for a single application on shoulder-length hair. It doesn’t take much product to achieve the desired effect.
A few users found the application process a bit tricky due to the thick texture, which can be difficult to distribute evenly. Some also feel that the formula could benefit from a more lightweight feel, especially for fine-haired individuals.
Scent/Fragrance
82%
18%
Many users appreciate that the product is odorless, making it a great choice for those sensitive to fragrances or who prefer more neutral scents in their hair care. The lack of a strong fragrance is also appreciated by people who use other scented products, as it doesn’t interfere with their scents.
Some users feel that a mild fragrance would have been more pleasant, as the lack of scent makes it feel somewhat 'clinical.' A few report that their hair felt neutral but lacked the refreshing, aromatic experience often expected from salon-quality treatments.
Consistency of Results
80%
20%
Overall, the treatment works well for many users, offering consistent results in terms of smoother, shinier hair. Many appreciate that the product delivers reliable outcomes, especially with repeated use over time, which helps build and maintain smoother hair.
Not all users found the results consistent. A few mention that while the product worked well initially, its effects diminished after multiple uses, leaving them with less smoothness or volume control than they had anticipated.
Ingredient Quality
90%
Buyers frequently highlight the organic, stem-cell-based ingredients as a major draw. The treatment feels nourishing and gentle, with many users reporting healthier-looking hair after use. The natural, odorless formula is particularly praised by those avoiding harsh chemicals in their beauty routines.
A small number of users report that despite the organic ingredients, they still experienced some scalp irritation or buildup. These complaints are rare but indicate that the product may not work for everyone, particularly those with more sensitive skin.
Value for Money
85%
For many, this smoothing treatment offers good value given its professional-grade quality and effective results. The packaging size, with two 8.45 oz bottles, is often considered sufficient for multiple uses, making it a worthwhile investment for long-term smoothing benefits.
Some feel the product is a bit pricey compared to other smoothing treatments on the market. A few users believe that while it works well, the cost might not justify the results for those on a budget or looking for more dramatic effects.
Packaging and Dispenser
87%
Many users appreciate the convenient dual-bottle packaging, which ensures that they get the right amount for a single use. The bottles are easy to handle and help with controlled dispensing, preventing waste and making it simple to apply exactly what’s needed.
A few users wish the packaging was more travel-friendly, as the size can be bulky for on-the-go use. Additionally, some mention that the dispenser could be more ergonomic to better control the amount of product dispensed, particularly for those with smaller hands.
Long-Term Results
78%
22%
Several users find that the product provides long-term benefits, particularly in terms of smoother hair and better shine after consistent use. The treatment works best when used as part of a regular hair care routine, which some users have adopted for ongoing benefits.
On the other hand, some customers did not see long-lasting improvements after extended use. They mention that the results were temporary, and once they stopped using the product, their hair reverted to its previous state, not showing any lasting transformation.

Suitable for:

The Liss Expert Stem Cells Smoothing Treatment 16.9 oz is an excellent option for individuals with frizzy, voluminous, or unruly hair looking for a long-lasting solution. It is particularly beneficial for people seeking to control excessive volume and enhance shine, as this treatment works well in smoothing out coarse or stubborn hair. Users with thinning or fine hair may also find this product helpful, as it incorporates stem cell technology, which is designed to stimulate hair growth and promote healthier-looking strands. Those with a variety of hair types—curly, wavy, or straight—will appreciate the versatility of this product, as it effectively moisturizes and conditions all textures. The organic and odorless formula makes it ideal for users sensitive to chemicals or fragrances, offering a more natural treatment experience without overpowering scents.

Not suitable for:

This smoothing treatment may not be the best choice for individuals with highly textured or coarse hair who are looking for significant volume reduction. Some users with thicker, coiled hair report that the product didn't fully control volume or provide the desired sleekness. Additionally, those expecting a strong, lasting fragrance may be disappointed, as the product's odorless formula might feel too neutral for some. People with very sensitive scalps might also experience irritation, despite the organic ingredients. Finally, buyers who require intense hydration or expect dramatic hair growth results may find this product less effective for those specific needs, as the results can be subtle and vary from user to user.

Specifications

  • Brand: Liss Expert is the brand behind this professional-grade smoothing treatment.
  • Product Type: This is a hair smoothing treatment designed to control frizz and volume.
  • Size: The product comes in a 16.9 oz (8.45 oz x 2) pack.
  • Key Ingredients: The treatment includes stem cell technology to stimulate hair growth and reduce hair loss.
  • Formulation: This product features an organic, odorless formula for a natural hair treatment experience.
  • Target Audience: It is intended for individuals with frizzy, voluminous, or thinning hair.
  • Hair Type Compatibility: This treatment is suitable for all hair types, including curly, wavy, and straight hair.
  • Application: It is designed for a single-use application on shoulder-length hair.
  • Primary Benefit: The primary benefit is frizz control, leading to smoother and more manageable hair.
  • Secondary Benefit: The treatment also helps stimulate hair growth and reduce hair thinning.
  • Packaging: The product comes in dual 8.45 oz bottles, providing enough for one application on shoulder-length hair.
  • Fragrance: The treatment is completely odorless, offering a more neutral experience.
  • Moisturizing: This treatment provides conditioning and moisturizing benefits, helping improve hair texture.
  • Curl Control: It offers curl control, helping define and smooth unruly curls.
  • Frizz Control: It is highly effective in reducing frizz and controlling hair volume.
  • Hair Growth Stimulation: The inclusion of stem cells is intended to help stimulate hair growth and reduce hair loss.
  • Usage Frequency: It is recommended for occasional use, typically once per week or as needed for maintenance.
  • Storage Instructions: Store in a cool, dry place, ensuring the cap is tightly closed to maintain freshness.
  • Suitability for All Textures: Works well across different hair textures, from straight to curly, providing smoothness and manageability.

FAQ

To use this smoothing treatment, apply it to clean, damp hair, focusing on the mid-lengths and ends. Leave it on for the recommended time, then rinse thoroughly. It is ideal for a single application on shoulder-length hair, but you can adjust for longer hair.

This treatment helps reduce frizz, control volume, and enhance shine. It also includes stem cell technology, which may help promote healthier hair growth, making it suitable for those dealing with hair thinning or loss.

Yes, this product is safe for color-treated hair. Its organic formula offers moisturizing benefits without causing damage or fading to your hair color.

No, this smoothing treatment is odorless, making it ideal for those who prefer a more natural and subtle scent-free hair care routine.

The smoothing and volume-reducing effects of this product typically last for several days, depending on your hair type and environmental factors like humidity.

Yes, this treatment is suitable for all hair textures, including curly, wavy, and straight hair. It helps manage frizz and provides smoothness and shine across various hair types.

Since it is designed for single-use on shoulder-length hair, most users apply it as needed, typically once a week or as part of a deep-conditioning routine.

This product is generally safe for most users, but if you have a sensitive scalp, it is advisable to perform a patch test first to avoid any irritation. Discontinue use if you experience redness or discomfort.

Store this treatment in a cool, dry place, away from direct sunlight. Ensure the cap is tightly closed to prevent any leakage or contamination.

Yes, many users with thick, unruly hair find this treatment effective in controlling volume and frizz, leaving hair more manageable and smooth.