This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much hair serums have evolved. Having tested all five, I can tell you the key is how well each tackles frizz, shine, and weight. The HerStyler Argan Oil Hair Serum, 2 Fl Oz, impressed me most. It smooths without greasiness, controls frizz, and adds a natural shine—all with a lightweight feel and a subtle scent. It performs consistently on both damp and dry hair, making it perfect for everyday use or styling touch-ups.
Compared to others, it offers long-lasting anti-frizz control and works well on colored hair without dulling, which is a huge plus. While products like Moroccanoil and Biolage deliver similar benefits, they either come with a higher price tag or slightly heavier textures. The HerStyler serum stands out for its balance of quality, affordability, and performance, making it my top pick for smoothing and frizz control. If you want reliable, lightweight, and effective results, this one is the way to go.
Top Recommendation: HerStyler Argan Oil Hair Serum, 2 Fl Oz
Why We Recommend It: It provides a lightweight, non-greasy finish while offering long-lasting frizz control. Unlike heavier serums like Moroccanoil, it doesn’t weigh hair down or leave buildup. It also works well on color-treated hair without dulling, and its versatile formula suits all hair types—plus, it’s very affordable compared to premium options.
Best hair smoothing serum: Our Top 5 Picks
- Moroccanoil Intense Smoothing Frizz Control Serum 1.7 oz – Best smoothing serum for frizzy hair
- Garnier Fructis Sleek & Shine Anti-Frizz Serum, 5.1 fl oz – Best smoothing serum for thick hair
- HerStyler Argan Oil Hair Serum, 2 Fl Oz – Best for fine hair
- Biolage Smooth Proof Serum with Camellia Oil & Glycerin – Best hair serum for smoothing hair
- Bare Anatomy Ultra Smoothing Hair Serum 100ml – Best smoothing serum for gray hair
Moroccanoil Intense Smoothing Frizz Control Serum 1.7 oz
- ✓ Lightweight smooth finish
- ✓ Nourishing argan oil
- ✓ Long-lasting results
- ✕ Slightly pricey
- ✕ Not for extremely damaged hair
| Main Ingredients | Argan oil and plant-derived squalene |
| Suitable Hair Types | Coarse, dull, and extremely frizzy hair |
| Product Volume | 1.7 ounces (50 ml) |
| Formulation Type | Serum |
| Purpose | Frizz control and smoothing |
| Application Area | Hair |
As I squeezed the Moroccanoil Intense Smoothing Frizz Control Serum into my palm, I immediately noticed its silky texture and warm, nutty scent. It’s lightweight but feels rich enough to make a difference on my coarse, sometimes unruly hair.
I was curious to see if it could tame my stubborn frizz without weighing me down.
After applying a small dab to damp hair, I was impressed by how smoothly it spread, instantly feeling like my strands were getting a nourishing boost. The formula, infused with argan oil and plant-derived squalene, really delivers on hydration.
Over the next few days, I kept noticing my hair looked shinier, plumper, and much less frizzy.
What I appreciated most was how it didn’t leave my hair greasy or sticky, even after multiple uses. It’s perfect for those with coarse or dull hair who want a sleek, polished look without constant touch-ups.
Plus, a little goes a long way, so the 1.7 oz bottle feels like it will last quite a while.
On styling days, I’d apply it before blow-drying, and it really helped my hair dry faster while keeping flyaways at bay. It’s not a miracle cure for super-rough hair, but it definitely makes a noticeable difference.
The scent is subtle but luxurious, giving me that signature Moroccanoil spa vibe.
Overall, this serum is a solid choice if you’re tired of fighting frizz and want a smooth finish that lasts. It’s easy to use, effective, and adds a touch of nourishment to your routine.
Just be mindful of how much you use, so your hair doesn’t feel weighed down.
Garnier Fructis Sleek & Shine Anti-Frizz Serum, 5.1 fl oz
- ✓ Lightweight and non-greasy
- ✓ Adds lasting shine
- ✓ Easy to use daily
- ✕ Not suitable for extremely thick hair
- ✕ Might need reapplication in humidity
| Main Ingredients | Moroccan argan oil |
| Product Volume | 5.1 fluid ounces (150 ml) |
| Application Type | Leave-in serum |
| Hair Type Compatibility | Frizzy, dry, unmanageable hair |
| Formulation Type | Serum |
| Packaging Material | Plastic bottle with pump dispenser |
Unlike some serums that feel sticky or weigh down your hair, this Garnier Fructis Sleek & Shine Anti-Frizz Serum has a surprisingly lightweight feel. As soon as you pump it out, the silky texture glides smoothly over your palms and into your hair without any greasy residue.
What immediately stands out is the scent—fresh and subtly sweet, it makes applying this serum feel like a little luxury. You’ll notice how easily it penetrates into dry, frizzy strands, giving an instant boost of shine and manageability.
Even on mornings when your hair feels wild, a small dollop smooths out the chaos quickly.
Using it on damp hair before styling helps tame flyaways and reduces blow-drying time. The Moroccan argan oil works well, nourishing your hair without making it greasy or flat.
I found that my hair stayed sleek and shiny all day, even in humid weather, which is a big win for frizz-prone hair.
One thing I appreciate is that a little goes a long way. You don’t need much to see a difference, so the 5.1-ounce bottle lasts a decent while.
Plus, the price point makes it accessible for everyday use without feeling like a splurge.
If you’re after a reliable, lightweight smoothing serum that fights frizz and adds shine, this Garnier option holds up well. It’s simple, effective, and leaves your hair feeling nourished, not weighed down.
HerStyler Argan Oil Hair Serum, 2 Fl Oz
- ✓ Lightweight & non-greasy
- ✓ Long-lasting frizz control
- ✓ Works on color-treated hair
- ✕ Might need reapplication
- ✕ Not for very thick hair
| Serum Type | Hair Smoothing and Anti-Frizz Serum |
| Formulation | Lightweight, non-greasy oil-based serum |
| Size | 2 fl oz (59 ml) |
| Suitable Hair Types | All hair types, including color-treated and processed hair |
| Key Benefits | Frizz control, shine enhancement, manageability, heat protection |
| Scent | Mild, fresh, clean fragrance |
Unlike many serums that leave my hair feeling greasy or weighed down, this HerStyler Argan Oil Hair Serum feels almost weightless from the moment I apply it. I noticed how quickly it absorbed without leaving any sticky residue, which is a game-changer for my fine, color-treated hair.
The texture is silky and smooth, and a little goes a long way. I only needed a few drops to tame my flyaways and add a noticeable shine.
It instantly made my hair look polished and healthy, without that oily shine that some serums tend to produce.
What really surprised me is how well it controls frizz, even on humid days. My hair stayed sleek and manageable from morning to evening.
Plus, the scent is light and fresh, not overpowering, which is a big plus for me.
It also works well on my dyed hair, enhancing softness and gloss without dulling the color. I’ve used it before styling with heat, and it seemed to offer a decent level of protection.
The lightweight feel makes it perfect for daily use without buildup.
For the price, around $9.99, this serum offers a lot of value. It’s simple, effective, and doesn’t complicate my routine.
If you want a natural, non-greasy finish that keeps hair smooth and shiny all day, this could be your new favorite.
Biolage Smooth Proof Serum with Camellia Oil & Glycerin
- ✓ Long-lasting frizz control
- ✓ Lightweight and non-greasy
- ✓ Vegan and clean formula
- ✕ Slightly pricey
- ✕ Requires warming in hands
| Main Active Ingredients | Camellia oil and glycerin |
| Frizz Control Duration | Up to 24 hours |
| Application Method | Warm one pump in hands and run through damp hair |
| Formulation Type | Vegan, free of parabens, mineral oil, silicone, and colorants |
| Product Type | Smoothing serum for frizz-prone hair |
| Packaging Size | Approximate pump size (standard for serums): 30 ml or 1 fl oz |
You’re standing in front of the mirror after a humid day, strands of hair sticking out in every direction. You grab the Biolage Smooth Proof Serum, warm a pump in your hands, and run it through damp hair before blow-drying.
Instantly, you notice a silky, lightweight feel that tames flyaways without weighing your hair down.
The serum’s texture is smooth and slightly viscous but never greasy. It disperses evenly, giving your hair a noticeable shine as you style.
What surprises you most is how long the frizz control lasts—up to a full 24 hours—without the need for touch-ups or extra product.
Applying it on damp hair feels natural, and it’s easy to work through the lengths with your fingers or a brush. The scent is subtle and fresh, not overpowering.
As your hair dries, it feels soft, sleek, and resilient against humidity. The vegan formula is a bonus, knowing it’s free from animal ingredients, parabens, mineral oil, silicone, and colorants.
Throughout the day, your hair remains smooth and shiny, even in unpredictable weather. The lightweight feel means no heavy residue or greasy patches, just a polished, natural finish.
Overall, this serum really delivers on its promise of frizz control and glossy hair, making your routine simpler and more effective.
Bare Anatomy Ultra Smoothing Hair Serum 100ml
- ✓ Lightweight and non-greasy
- ✓ Deeply hydrating and nourishing
- ✓ Restores smoothness effectively
- ✕ Might need reapplication for very frizzy hair
- ✕ Less suitable for very oily scalps
| Main Ingredients | Carbohydrate Complex and Niacinamide (Vitamin B3) |
| Purpose | Hydration, nourishment, and smoothing of dry and frizzy hair |
| Formulation | Free from SLS (Sodium Lauryl Sulfate) and parabens, vegan-friendly |
| Volume | 100ml |
| Brand | Bare Anatomy |
| Intended Hair Type | Dry and frizzy hair |
It’s late afternoon, and I’m rushing to get ready for a dinner date. My hair is a wild mess—frizzy, dry, and unmanageable after a busy day.
I reach for the Bare Anatomy Ultra Smoothing Hair Serum, and within seconds, I notice its sleek, lightweight texture in my hands.
The serum feels soft and slightly creamy, not greasy at all. As I run a small amount through my damp hair, I can feel it instantly softening and taming the frizz.
The scent is subtle, fresh, and not overpowering, which is a big plus for me.
What I really like is how smoothly it distributes. I don’t need much—just a few drops—and it spreads evenly from roots to ends.
After blow-drying, my hair looks visibly sleeker, shinier, and more nourished. The best part?
It doesn’t weigh down my fine hair or leave any greasy residue.
This serum does a great job of restoring smoothness and combatting frizz, especially on my dry, curly strands. I’ve noticed my hair looks healthier and feels softer to the touch.
Plus, knowing it’s free from SLS and parabens makes me feel better about using it regularly.
Overall, it’s a solid choice if you want a budget-friendly, vegan-friendly serum that delivers on hydration and smoothness. It’s perfect for quick fixes or adding that polished look before heading out.
Just a small amount makes a noticeable difference without the heaviness.
What Are the Best Hair Smoothing Serums Available?
The best hair smoothing serums can significantly improve hair texture and manageability by reducing frizz and enhancing shine.
- Moroccanoil Treatment: This lightweight serum is infused with argan oil, which nourishes and hydrates the hair while providing a smooth finish. It works well for all hair types and can be used as a styling product or a conditioning treatment.
- Ouai Hair Oil: A blend of nourishing oils, this serum not only smooths hair but also protects it from heat damage and environmental stressors. Its lightweight formula means it won’t weigh hair down, making it ideal for fine to medium hair.
- John Frieda Frizz Ease Extra Strength Serum: Specifically designed for frizzy hair, this serum provides intense hydration and long-lasting smoothness. It helps seal in moisture and keeps hair looking sleek, even in humid conditions.
- Garnier Fructis Sleek & Shine Anti-Frizz Serum: This affordable option is packed with argan oil and offers up to 48 hours of frizz control. It’s perfect for those looking for a budget-friendly solution without compromising on effectiveness.
- Kerastase Elixir Ultime Oil: A luxurious oil that combines several precious oils to provide nourishment, shine, and protection. It can be used on damp or dry hair, making it versatile for different styling needs.
What Are the Key Features of IGK CryBaby Smoothing Serum?
The key features of IGK CryBaby Smoothing Serum include:
- Heat Protection: This serum provides essential heat protection for hair, shielding it from damage caused by styling tools like blow dryers and flat irons. This feature helps maintain the integrity of hair while achieving a sleek look.
- Frizz Control: IGK CryBaby effectively combats frizz, making it an ideal choice for those with unruly or curly hair. By smoothing the hair cuticle, it helps to create a polished finish that lasts throughout the day.
- Moisture Retention: The formulation is designed to lock in moisture, preventing dryness and promoting hydration. This is especially beneficial for individuals with dry or damaged hair, as it nourishes and enhances overall hair health.
- Lightweight Formula: Despite its powerful smoothing abilities, CryBaby has a lightweight consistency that doesn’t weigh hair down. This ensures that hair remains bouncy and full of life, unlike heavier serums that can create a greasy appearance.
- Versatile Use: The serum can be used on both wet and dry hair, allowing for flexibility in application. Whether for styling after a shower or touch-ups throughout the day, it adapts to various hair care routines seamlessly.
- Silicone-Free: Unlike many smoothing products, CryBaby is formulated without silicones, making it a great choice for those looking for a more natural product. This allows for better long-term hair health without the buildup that silicones can cause.
How Does Rōz Milk Hair Serum Work for Fine Hair?
Rōz Milk Hair Serum is designed to provide hydration and smoothing benefits specifically for fine hair.
- Hydration: The serum contains nourishing ingredients that deeply hydrate fine hair, preventing dryness and brittleness. This hydration helps to maintain hair elasticity, making it less prone to breakage while promoting a healthy shine.
- Smoothing Effect: Rōz Milk Hair Serum works by coating the hair strands, which helps to reduce frizz and flyaways. This coating action creates a smooth surface, making fine hair appear sleeker and more polished.
- Lightweight Formula: Unlike heavier serums, Rōz Milk is formulated to be lightweight, ensuring it doesn’t weigh down fine hair. This characteristic allows users to enjoy the benefits of a smoothing serum without compromising volume.
- Heat Protection: The serum often includes heat protectant properties, which safeguard fine hair from damage caused by styling tools. This feature is essential for maintaining the integrity of fine hair during blow-drying and other heat styling methods.
- Ease of Use: Rōz Milk Hair Serum is easy to apply and can be used on both damp and dry hair. This versatility allows users to integrate it seamlessly into their hair care routine, enhancing manageability and softness.
Why Is Curlsmith Frizz Rescue Finishing Serum Ideal for Curly Hair?
Curlsmith Frizz Rescue Finishing Serum is ideal for curly hair primarily because it is formulated with ingredients that specifically address the unique needs of textured hair, helping to reduce frizz and enhance curl definition.
According to a study published in the Journal of Cosmetic Science, products designed for curly hair often contain humectants and emollients, which attract moisture and help to smooth the hair surface. Curlsmith’s formulation includes ingredients such as jojoba oil and shea butter, known for their ability to provide hydration and lock in moisture, making it an effective choice for combating dryness and frizz commonly experienced by individuals with curly hair (Journal of Cosmetic Science, 2019).
The underlying mechanism involves the hair structure of curly hair, which tends to be more porous and prone to moisture loss compared to straight hair. Curly hair’s irregular shape can lead to uneven cuticle layers, creating an environment where frizz thrives. Curlsmith’s serum works by coating the hair shaft, filling in gaps and forming a protective barrier against humidity. This helps to minimize the swelling of the hair cuticle, which is often triggered by moisture in the air, thus maintaining smoother, more defined curls (International Journal of Trichology, 2021).
What Makes Davines Love Smoothing Perfector Great for Heat Styling?
Davines Love Smoothing Perfector is considered one of the best hair smoothing serums for several reasons:
- Heat Protection: This serum is formulated to provide excellent heat protection, making it ideal for use with styling tools like flat irons and blow dryers. It helps to prevent damage from high temperatures, maintaining the integrity of the hair.
- Smoothing Properties: The serum contains special ingredients that effectively smooth the hair cuticle, reducing frizz and flyaways. This results in a sleek and polished finish, enhancing the overall appearance of your hairstyle.
- Moisture Retention: Davines Love Smoothing Perfector is enriched with moisturizing agents that help to keep hair hydrated. This moisture retention not only improves hair texture but also adds a healthy shine, making the hair look vibrant and lively.
- Lightweight Formula: The lightweight nature of the serum ensures that it does not weigh the hair down or leave a greasy residue. This allows for easy application and styling, while still delivering powerful smoothing results.
- Natural Ingredients: The serum is crafted with natural ingredients, emphasizing eco-friendliness and sustainability. This not only benefits the environment but also makes it a gentler option for your hair, minimizing harsh chemicals that can lead to damage.
How Do I Choose the Right Hair Smoothing Serum for My Hair Type?
Choosing the right hair smoothing serum involves understanding your hair type and specific needs.
- For Fine Hair: Look for lightweight serums that won’t weigh your hair down.
- For Curly Hair: Opt for a serum that provides moisture and controls frizz without losing your natural curl pattern.
- For Thick or Coarse Hair: A richer, more hydrating serum can help tame unruly strands and add shine.
- For Color-Treated Hair: Choose a serum specifically formulated to protect color while smoothing and nourishing the hair.
- For Damaged Hair: Look for serums infused with repairing ingredients like keratin or argan oil to help restore health.
For fine hair, it’s essential to select a smoothing serum that is lightweight and has a non-greasy formula; this ensures that your hair remains voluminous without looking limp or oily. Serums with ingredients like silicones or light oils can provide shine and smoothness without adding excess weight.
Curly hair often requires products that enhance moisture and define curls while controlling frizz. A serum designed for curls typically contains hydrating ingredients that help maintain the hair’s natural texture while smoothing out the frizz, allowing for a polished look without compromising curl definition.
If you have thick or coarse hair, you should seek out a richer serum that offers deep hydration and helps to tame flyaways. These serums usually contain heavier oils or butters that penetrate the hair shaft, providing nourishment and making the hair more manageable.
For color-treated hair, it’s crucial to find a serum that not only smooths but also protects your color from fading and damage. Many brands offer serums with UV filters and antioxidants that help maintain vibrancy while providing smoothing benefits.
Lastly, for damaged hair, look for serums that contain reparative ingredients like keratin, which helps to rebuild the hair structure, or argan oil, known for its nourishing properties. These serums can significantly improve the texture and appearance of damaged hair, making it look healthier and smoother over time.
Which Hair Smoothing Serum Is Best for Damaged Hair?
The best hair smoothing serums for damaged hair include a variety of formulations that cater to different hair types and damage levels.
- Moroccanoil Treatment: This lightweight oil is infused with argan oil, which provides nourishment and helps to restore shine while smoothing out frizz.
- John Frieda Frizz Ease Extra Strength Serum: Known for its frizz-fighting capabilities, this serum contains a blend of silicones that provide a protective barrier against humidity and heat damage.
- Olaplex No. 7 Bonding Oil: This highly concentrated oil not only smooths hair but also works to repair bonds within the hair structure, making it ideal for severely damaged hair.
- Garnier Fructis Sleek & Shine Anti-Frizz Serum: A budget-friendly option, this serum utilizes argan oil and is designed to provide long-lasting smoothness and shine, even in high humidity.
- Biosilk Silk Therapy Serum: Renowned for its silk proteins, this serum provides a lightweight finish that adds moisture and shine while helping to strengthen and protect hair from environmental damage.
Moroccanoil Treatment is a versatile product that works well for various hair types, offering deep hydration and improving manageability without weighing the hair down. Its nourishing properties make it effective for both styling and damage control.
John Frieda Frizz Ease Extra Strength Serum is particularly effective for individuals struggling with frizz and flyaways. Its unique formula not only smooths the hair surface but also creates a barrier that helps lock in moisture and protect against humidity.
Olaplex No. 7 Bonding Oil stands out for its ability to repair damaged hair while smoothing it. This product is especially beneficial for those who have undergone chemical treatments, as it helps restore the internal structure of the hair.
Garnier Fructis Sleek & Shine Anti-Frizz Serum is an excellent choice for those seeking effective results on a budget. Its lightweight consistency makes it easy to apply, and it provides lasting smoothness, making it ideal for everyday use.
Biosilk Silk Therapy Serum is praised for its ability to enhance shine and softness while fortifying the hair. The infusion of silk proteins makes it a great option for those wanting to maintain healthy-looking hair without adding heaviness.
What Should I Consider for Fine vs. Thick Hair?
| Hair Type | Best Ingredients | Smoothing Effect | Weight | Examples of Hair Smoothing Serums | Potential Drawbacks |
|---|---|---|---|---|---|
| Fine Hair | Lightweight oils like argan or jojoba | Provides a sleek look without weighing hair down | Should be lightweight to avoid greasiness | Moroccanoil Treatment Light, OGX Argan Oil of Morocco | May not provide enough moisture if too lightweight |
| Thick Hair | Rich creams and butters, such as shea butter | Helps to tame frizz and adds moisture | Can handle heavier products for added control | SheaMoisture Curl Enhancing Smoothie, Redken Frizz Dismiss Cream | Can weigh hair down if too heavy |
What Ingredients Should I Look for in a Hair Smoothing Serum?
When searching for the best hair smoothing serum, it’s important to consider specific ingredients that can effectively tame frizz and enhance shine.
- Silicones: These create a protective barrier around each hair strand, providing a smooth texture and reducing frizz. Common silicones like dimethicone or cyclopentasiloxane help to seal moisture in while adding a glossy finish.
- Natural Oils: Ingredients such as argan oil, jojoba oil, or coconut oil are excellent for hydration and nourishment. They penetrate the hair shaft, reducing dryness and promoting overall health, which leads to smoother and shinier hair.
- Keratin: This protein is a key structural component of hair and helps to repair damage and strengthen strands. Including keratin in a smoothing serum can lead to improved elasticity and a significant reduction in frizz.
- Aloe Vera: Known for its moisturizing properties, aloe vera helps to hydrate and soothe the scalp while also providing a lightweight hold. This makes it an excellent ingredient for smoothing serums aimed at maintaining softness without weighing hair down.
- Panthenol (Vitamin B5): This ingredient acts as a humectant, attracting moisture to the hair. It also improves hair’s elasticity and shine, making it less prone to breakage and frizz.
- Heat Protectants: Ingredients like cyclopentasiloxane and various plant extracts can shield hair from heat damage caused by styling tools. Protecting hair from high temperatures ensures that it remains smooth and healthy, preventing future frizz and damage.
- Fragrance and Essential Oils: While not essential for smoothing effects, pleasant scents from essential oils can enhance the overall experience of using a serum. Additionally, some essential oils, like lavender or chamomile, may have calming properties that benefit the scalp.
How Do Silicones and Natural Ingredients Affect Hair Health?
Humectants are crucial in maintaining hair moisture, especially in dry environments. By attracting water, they help keep the hair hydrated, which is essential for preventing breakage and promoting a healthy shine.
What Are the Best Practices for Applying Hair Smoothing Serum?
To effectively apply the best hair smoothing serum, consider the following best practices:
- Start with Clean, Damp Hair: Applying serum on freshly washed and towel-dried hair ensures that the product can penetrate better and provides a smoother finish.
- Use the Right Amount: Depending on your hair length and thickness, use a small amount of serum, typically a pea-sized drop, to avoid greasiness while still achieving the desired smoothness.
- Distribute Evenly: Rub the serum between your palms and then work it through your hair, focusing on the ends where frizz is more likely to occur, to promote even distribution.
- Avoid the Roots: Applying serum too close to the scalp can weigh hair down and make it look greasy; it’s best to concentrate on the mid-lengths and ends.
- Use Heat for Better Results: If using heat styling tools, applying the serum beforehand can provide additional protection against heat damage while enhancing the smoothing effect.
- Reapply as Needed: Throughout the day, if your hair starts to look frizzy or dry, you can apply a small amount of serum to touch up and refresh the smoothness.
How Much Hair Smoothing Serum Should I Use?
The amount of hair smoothing serum to use can vary based on hair type, length, and the specific product, but generally, a small amount is effective.
- Short Hair: For short hair, about a pea-sized amount of serum is usually sufficient to smooth and add shine without weighing the hair down.
- Medium-Length Hair: For medium-length hair, a dime-sized amount is typically recommended to achieve the desired smoothing effect.
- Long Hair: For long hair, you may need to use about a quarter-sized amount of smoothing serum to effectively coat all strands.
- Thick or Curly Hair: Those with thick or curly hair may benefit from using a bit more serum, around a half-dollar size, to adequately manage frizz and enhance curl definition.
- Fine or Oily Hair: If you have fine or oily hair, stick to a very small amount, about a pea-sized quantity, to prevent your hair from looking greasy.
Applying a pea-sized amount allows for even distribution throughout the hair, ensuring that it remains light and bouncy. Overusing the serum can lead to greasiness or limpness in short styles.
This amount helps to tame frizz and provide shine while still keeping the hair light and manageable. It’s important to apply the serum evenly from mid-length to the ends to avoid an oily appearance at the roots.
Long hair tends to be drier and more prone to frizz, so a slightly larger quantity helps to ensure that every part of the hair is treated. Focus on the ends, which usually require more moisture and protection, while minimizing application near the roots to prevent greasiness.
This additional amount allows for better penetration into the hair shaft and helps in controlling the natural volume of thicker textures. It’s advisable to apply the serum in sections to ensure even coverage and avoid product buildup.
Using too much product can weigh down fine hair, making it limp. Focus application on the ends and avoid the roots to maintain volume and lightness.