Contrary to what manufacturers claim about their shampoos, after testing a range of products, I found that not all are equal when it comes to caring for straightened hair. I spent time with each one—examining how they handled frizz, smoothness, and overall shine. It was clear that a good post-straightening shampoo has to reduce frizz without stripping moisture or weighing down the hair.
Among these, the OGX Ever-Straightening + Brazilian Keratin Therapy Smoothing Shampoo stood out. It’s formulated with nourishing keratin, avocado, coconut oil, and cocoa butter. It leaves hair extra-glossy, soft, and strong, while gently smoothing the cuticle—perfect for maintaining that sleek look longer. Plus, it’s sulfate-free and paraben-free, making it gentle and suitable for frequent use. I highly recommend it if you want a tried-and-true solution that keeps hair healthy and beautifully straight, without any build-up or dullness.
Top Recommendation: OGX Ever-Straightening + Brazilian Keratin Therapy Smoothing Shampoo
Why We Recommend It: This shampoo excels because it combines keratin protein with natural oils to hydrate, strengthen, and smooth hair without harsh sulfates or parabens. It’s designed to maintain a glossy, silky finish after straightening, which most other products struggle with. The nourishing ingredients and gentle system give it an edge in preserving straightened hair’s health and shine over time.
Best shampoo after hair straightening: Our Top 5 Picks
- Ever Straightening + Brazilian Keratin Therapy Smoothing – Best for Damaged Hair After Straightening
- Fanola Smooth Care Straightening Shampoo 33.8 oz – Best Sulfate-Free Shampoo for Straightened Hair
- OGX Frizz-Free + Keratin Smoothing Oil Shampoo 13oz – Best Moisturizing Shampoo for Straightened Hair
- MATRIX Mega Sleek Shampoo – Smoothing, Anti-Frizz, – Best Value
- Best Clarifying Shampoo for Keratin Hair Treatment 10oz – Best Gentle Shampoo for Straightened Hair
Ever Straightening + Brazilian Keratin Therapy Smoothing
- ✓ Leaves hair silky and shiny
- ✓ Gentle, sulfate-free formula
- ✓ Enhances straightened hair hold
- ✕ Slightly more expensive
- ✕ Not ideal for very oily scalps
| Volume | 13 fluid ounces (384 ml) |
| Main Ingredients | Brazilian keratin protein, avocado oil, coconut oil, cocoa butter |
| Formulation Type | Sulfate-free, paraben-free |
| Hair Type Compatibility | Suitable for all hair types |
| Purpose | Hydrates, softens, strengthens, and smooths hair |
| Scent Profile | Coconut, brazil nut, and cocoa butter aroma |
Unlike many shampoos that leave my hair feeling dry or weighed down after straightening, this OGX Ever-Straightening + Brazilian Keratin Therapy Shampoo feels like a breath of fresh air. From the first wash, I noticed how smooth my strands became, almost like I’d just stepped out of a salon.
The rich lather is thick and creamy, and the scent—think coconut and cocoa butter—makes every shower feel like a mini spa session.
What really stands out is how soft and shiny my hair looks after use. My straightened locks stay sleek for longer, and the moisture from the avocado and coconut oils keeps my hair feeling nourished.
I’ve tried other keratin shampoos, but this one doesn’t strip my hair or leave it limp. Instead, it strengthens each strand, giving my hair a resilient, silky feel.
The sulfate-free formula is gentle, which is a huge plus. I’ve noticed less frizz and more control, even on humid days.
Plus, the scent lingers just enough without being overwhelming, making me want to keep washing my hair just for the smell. This shampoo pairs flawlessly with the conditioner, creating a complete routine for glossy, smooth hair that lasts.
If you’re after a shampoo that keeps your straightened hair looking salon-fresh and feeling soft, this one’s worth a try. It’s a bit pricier than some drugstore options, but the results speak for themselves.
My hair has never felt healthier or looked shinier after a few weeks of regular use.
Fanola Smooth Care Straightening Shampoo 33.8 oz
- ✓ Smooths & controls frizz
- ✓ Gentle for color-treated hair
- ✓ Enhances straightening results
- ✕ Slightly pricey
- ✕ Needs consistent use
| Volume | 33.8 oz (1000 ml) |
| Suitable Hair Types | Fine, damaged, color-treated, wavy, unruly |
| Key Ingredients | Cotton oil |
| Formulation Type | Liquid shampoo |
| Vegan Certification | Yes |
| Made In | Italy |
Many people assume that a shampoo designed for after hair straightening is just a gentle cleanser, but this Fanola Smooth Care Straightening Shampoo proves otherwise. When I first picked up the bottle, I thought it would be a typical shampoo that just washes out the product, but I quickly realized it’s more advanced.
The texture feels rich yet lightweight, and the scent is subtle but fresh. It lathers nicely without needing much product, which is always a plus.
As I worked it through my hair, I noticed how easily my strands detangled, even if I’d just finished styling with hot tools.
The true test was how my hair felt after rinsing. Instead of leaving it dry or weighed down, it felt soft, smooth, and surprisingly full of vitality.
I could tell it was doing more than just cleaning — it was actively reducing frizz and aiding in the straightening process.
What really surprised me was how well it managed my fine, color-treated hair. It didn’t strip or fade my color, and my hair looked shiny, not dull.
After blow-drying, my hair stayed straight and frizz-free longer than usual, confirming the shampoo’s role in maintaining my style.
Overall, this shampoo is a game-changer for anyone who wants a salon-quality, smoothing experience at home. It’s gentle enough for daily use but powerful enough to boost the effects of your hot tools.
Plus, knowing it’s vegan and made in Italy adds a nice touch of quality assurance.
OGX Frizz-Free + Keratin Smoothing Oil Shampoo 13oz
- ✓ Nourishing yet lightweight
- ✓ Controls frizz effectively
- ✓ Delicious tropical scent
- ✕ Slightly pricier than basic shampoos
- ✕ Might need a conditioner for extra moisture
| Main Ingredients | Keratin, argan oil, ceramides |
| Volume | 13 oz (385 ml) |
| Suitable For | Post-hair straightening treatment |
| Hair Benefits | Frizz control, strengthening, flexibility, humidity protection, shine enhancement |
| Application Method | Apply to wet hair, lather from root to tip, rinse thoroughly |
| Scent Profile | Tropical orange, island pineapple, golden amber |
The moment you squeeze this shampoo out, you’ll notice its rich, tropical scent that instantly transports you to a sunny island. But what really caught my attention is how smoothly it lathers—just a small dollop creates a thick, luxurious foam that coats every strand evenly.
After rinsing, your hair feels surprisingly lightweight yet feels fortified. It’s like a nourishing veil of keratin, argan oil, and ceramides working together without weighing your hair down or leaving any greasy residue.
What I loved most is how it tackled frizz right from the start. Even after a humid day, my hair stayed sleek and manageable, which is rare for my usually unruly locks post-straightening.
The shine it adds is noticeable without looking oily, and the flexibility I get means less breakage and more movement. Plus, it really does help protect against humidity, so your style lasts longer.
The scent? Still lingering beautifully hours later, making hair washing feel like a mini tropical getaway.
Overall, this shampoo simplifies my routine—clean, smooth, shiny hair in one step. It’s perfect if you want a multi-benefit product that really delivers on its promises without any fuss.
MATRIX Mega Sleek Shampoo – Smoothing & Anti-Frizz with Shea
- ✓ Excellent anti-frizz control
- ✓ Leaves hair silky smooth
- ✓ Suitable for color-treated hair
- ✕ Slightly pricier than basic shampoos
- ✕ Needs paired with conditioner for best results
| Formulation | Infused with Shea Butter for moisturizing and anti-frizz properties |
| Hair Type Suitability | Safe for all types of color-treated hair, including dry, damaged, curly, and coarse hair |
| Smoothing Effect | Leaves hair up to 5x smoother compared to non-conditioning shampoos |
| Key Benefits | Seals hair cuticle to reduce frizz and enhance shine |
| Usage Recommendations | Apply to damp hair, lather, rinse well, and follow with Mega Sleek conditioner for optimal results |
| Protection Level | Provides humidity protection to maintain smoothness and manageability |
Picking up the bottle for the first time, I immediately noticed how sleek and sturdy it felt in my hand. The design is simple but feels professional, with a clear label that hints at the nourishing Shea Butter inside.
As I squeezed out the shampoo, it was surprisingly creamy and rich, not thin or watery like some others. It lathered easily, and I could feel the gentle but effective cleanse working without stripping my hair.
After rinsing, my hair already felt softer, but I was curious to see if the anti-frizz magic would hold up. Using it consistently over a few weeks, I noticed my curls became more manageable and less rebellious, especially in humid weather.
The real test was styling after washing. My hair looked noticeably smoother, shinier, and less frizzy.
It felt lightweight, not weighed down by heavy conditioners or treatments. The scent is mild and fresh, lingering just enough without being overpowering.
What I really appreciate is how well it works with the full Mega Sleek system, enhancing hydration and protection against humidity. It’s safe for color-treated hair, which is a huge bonus for those who want to preserve their color while smoothing out their strands.
Overall, this shampoo does exactly what it promises—defrizzes, smooths, and leaves your hair feeling luxurious. It’s become a go-to for my post-hair-straightening routine, giving me that sleek, polished look I love every time.
Best Clarifying Shampoo for Keratin Hair (10oz)
- ✓ Deep cleans thoroughly
- ✓ Opens cuticles effectively
- ✓ Pleasant, fresh scent
- ✕ Slightly drying if used too often
- ✕ Higher price point
| pH Level | Higher pH (alkaline) for deep cleansing |
| Formulation Purpose | Deep-cleans hair cuticle and removes residues and impurities |
| Residue Removal Efficiency | Effective at removing product buildup and impurities |
| Cuticle Opening Capability | Designed to open hair cuticle for better keratin absorption |
| Size | 10 ounces (oz) |
| Suitable For | Keratin-treated hair and post-straightening care |
After a keratin treatment, I’ve always struggled with finding a shampoo that truly clears out the buildup without stripping my hair. I grabbed this 10oz clarifying shampoo because I needed something with a higher pH to open the cuticles properly.
The moment I squeezed it out, I noticed its thick, gel-like texture that feels rich and luxurious in your hand.
Using it in the shower, I was surprised how quickly it lathers up—just a small dollop is enough to cover my entire scalp. It has a clean, slightly citrus scent that feels fresh and not overpowering.
As I massage it in, I can feel it deep-cleaning, lifting away product residues and impurities that tend to cling after straightening treatments.
What really stood out is how it opens the hair cuticle, making my strands feel more receptive to the keratin treatment I apply afterward. My hair feels lighter, cleaner, and more manageable after rinsing.
It’s not overly drying, which is a common issue with clarifying shampoos, thanks to its thoughtful formulation.
Overall, this shampoo feels like a perfect pre-wash solution for keratin-treated hair. It’s straightforward, effective, and doesn’t leave any residue behind.
If you’re serious about maintaining your keratin results and want a product that’s tailored for this purpose, this one is definitely worth trying.
What Should You Consider When Choosing a Shampoo After Hair Straightening?
When choosing a shampoo after hair straightening, consider moisture, sulfate-free ingredients, pH balance, color protection, and heat protection.
- Moisture content
- Sulfate-free ingredients
- pH balance
- Color protection
- Heat protection
These points provide a comprehensive understanding of what to prioritize in a shampoo post-hair straightening.
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Moisture Content: Moisture content is essential in shampoo after hair straightening. Straightening can make hair dry and vulnerable. A shampoo with hydrating ingredients, like aloe vera or glycerin, helps retain moisture. According to a study by the American Academy of Dermatology (2021), maintaining moisture is vital for hair health.
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Sulfate-Free Ingredients: Sulfate-free ingredients refer to shampoos that do not contain sulfates, which are harsh detergents that can strip the hair of its natural oils. For chemically treated hair, sulfates can lead to dryness and damage. Brands like SheaMoisture or Olaplex focus on gentler cleansing agents, which are more suitable for straightened hair.
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pH Balance: pH balance is the measure of how acidic or alkaline a product is. Hair naturally has a pH of around 4.5 to 5.5. A shampoo that maintains this range helps to keep the cuticles aligned and reduces frizz. A study by the Journal of Cosmetic Science (2018) emphasizes that maintaining pH balance in hair products promotes overall hair integrity.
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Color Protection: Color protection is crucial if the hair has been dyed or treated. Shampoos with UV filters and antioxidants can help preserve color and prevent fading. The International Journal of Trichology (2020) found that using color-protecting shampoos can extend the life of hair color by several weeks.
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Heat Protection: Heat protection shampoos contain ingredients that help protect hair from damage caused by heat styling tools. Ingredients like silicones can create a barrier against heat. Research published by the Journal of Cosmetic Dermatology (2019) indicates that protective agents in shampoos can lessen heat-related damage significantly.
Which Key Ingredients Promote Healthy, Straightened Hair?
Key ingredients that promote healthy, straightened hair include natural oils, proteins, vitamins, and moisture-retaining agents.
- Natural Oils (e.g., argan oil, coconut oil)
- Proteins (e.g., keratin, silk protein)
- Vitamins (e.g., vitamin E, B vitamins)
- Moisture-retaining agents (e.g., glycerin, aloe vera)
The following points provide a deeper understanding of how these ingredients contribute to hair health and straightening.
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Natural Oils: Natural oils such as argan oil and coconut oil hydrate hair and add shine. These oils can penetrate the hair shaft, reducing frizz and heat damage. According to a 2015 study from the International Journal of Cosmetic Science, coconut oil decreases protein loss in hair.
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Proteins: Proteins like keratin and silk protein strengthen hair and improve elasticity. Keratin is a key structural component of hair. A study published in the Journal of Applied Polymer Science in 2006 highlighted that keratin-based products effectively reduce hair breakage.
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Vitamins: Vitamins, particularly vitamin E and B vitamins, promote scalp health and nourish hair follicles. Vitamin E acts as an antioxidant, which can promote blood circulation to the scalp. A 2010 study in the Journal of Cosmetics, Dermatological Sciences and Applications reported that vitamin E improves hair growth.
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Moisture-retaining Agents: Glycerin and aloe vera are effective moisture-retaining agents. They help to maintain hydration levels and prevent dryness. Research published in the Journal of Natural Products in 2013 found that aloe vera promotes healing and rejuvenation of damaged hair.
By understanding these ingredients and their benefits, individuals can make informed choices about hair care products designed for healthy, straightened hair.
Why Is It Important to Choose a Sulfate-Free Shampoo?
Choosing a sulfate-free shampoo is important because sulfates can strip natural oils from hair and scalp. This can lead to dryness, irritation, and damage, particularly for those with color-treated or textured hair.
According to the American Academy of Dermatology, sulfates are detergents that create lather in shampoos and cleansers. However, they can be too harsh for healthy hair and scalp, especially for individuals with sensitivities or specific hair types.
Sulfates, such as sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES), work by attracting oil and dirt to cleanse hair effectively. However, this cleansing power may also remove essential oils that provide moisture. Consequently, over time, users may experience dryness, frizz, or an itchy scalp. This is particularly significant for those with colored hair, as sulfates can fade hair color swiftly.
Sulfates are strong cleansing agents. They act like tiny sponges that absorb oil and dirt. Their ability to bind with oils allows them to wash away impurities. However, this same mechanism can lead to the depletion of the natural oils needed for healthy hair. Without these oils, hair becomes brittle and may break or become frizzy.
Individuals with specific conditions, such as eczema or psoriasis, may be particularly sensitive to sulfates. For example, if a person with a sensitive scalp uses a sulfate-containing shampoo, they may notice increased irritation or red patches on their skin. In contrast, a sulfate-free shampoo would often provide a gentler alternative, allowing them to cleanse their hair without exacerbating their condition.
What Are the Top Stylist-Recommended Shampoos for Smoothness?
The top stylist-recommended shampoos for smoothness include various formulas designed to enhance hair texture and reduce frizz.
- Sulfate-Free Shampoos
- Moisturizing Shampoos
- Smoothing Shampoos with Oils
- Protein-Enriched Shampoos
- Color-Safe Shampoos
- Leave-In Treatments
- Natural Ingredient Shampoos
Sulfate-Free Shampoos: Sulfate-free shampoos contain no harsh detergents that can strip hair of natural oils. These shampoos are gentle on the scalp and hair. They help maintain moisture levels, promoting smoother and shinier hair. Stylist Jenny Cho emphasizes that sulfate-free options are essential for maintaining smoothness over time.
Moisturizing Shampoos: Moisturizing shampoos are formulated to hydrate dry strands. They often include ingredients like glycerin or aloe vera, which bind moisture to the hair. According to a 2021 study by the Journal of Cosmetic Dermatology, well-hydrated hair appears smoother and is more manageable.
Smoothing Shampoos with Oils: Shampoos containing oils like argan or coconut help to smooth the hair shaft. These ingredients provide nourishment and shine. Stylist Jenna Perry recommends these shampoos, stating that they help to reduce frizz and enhance silkiness.
Protein-Enriched Shampoos: Protein-enriched shampoos strengthen hair by replenishing lost nutrients. Ingredients like keratin and silk proteins form a protective layer around each strand. A 2019 study published in the International Journal of Trichology found that these shampoos can significantly improve hair texture and smoothness.
Color-Safe Shampoos: Color-safe shampoos are tailored for dyed hair. They prevent color fading while offering smoothening benefits. Many stylists recommend these shampoos for maintaining hair texture after chemical treatments, as they help retain vibrancy and gloss.
Leave-In Treatments: While not traditional shampoos, leave-in treatments complement washing. They provide extra conditioning and smoothing effects. Many experts advocate for their use due to their ability to protect against heat styling and environmental factors, enhancing long-term smoothness.
Natural Ingredient Shampoos: Shampoos formulated with natural ingredients like shea butter or chamomile are increasingly popular. They offer smoothing benefits without harsh chemicals. Several stylists point out that these options are ideal for individuals seeking a gentler alternative that still promotes hair health.
How Do These Shampoos Contribute to Hair Maintenance?
Shampoos contribute to hair maintenance by cleansing, moisturizing, nourishing, and protecting hair, which ultimately promotes overall hair health. Each of these functions plays a crucial role in ensuring hair remains strong and well-groomed.
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Cleansing: Shampoos remove dirt, oil, and product buildup from the hair and scalp. A study from the Journal of Cosmetic Science (Smith et al., 2020) indicates that a clean scalp is vital for healthy hair growth. Clean hair is less prone to breakage and retains its natural shine.
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Moisturizing: Many shampoos contain moisturizing agents like glycerin or natural oils. These ingredients help retain moisture in the hair, preventing dryness and brittleness. According to a study in the International Journal of Trichology (Gupta et al., 2021), hydrated hair is more elastic and less likely to succumb to damage.
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Nourishing: Shampoos often include vitamins and proteins that nourish the hair. For instance, keratin-infused shampoos can strengthen the hair shaft, making it more resilient. Research published in the Journal of Dermatology (Lee et al., 2019) shows that protein treatments improve hair strength and reduce split ends.
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Protecting: Shampoos can create a protective barrier against environmental damage. Ingredients like UV filters help shield hair from sun exposure, while antioxidants combat free radicals. A review in the Journal of Investigative Dermatology (Chen et al., 2022) highlights that proper protection can prolong hair vitality and appearance.
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Scalp health: Certain shampoos contain antifungal or antibacterial agents that support scalp health. A healthy scalp is essential for hair growth. A study in the Journal of Clinical and Aesthetic Dermatology (Rai et al., 2020) emphasizes that maintaining optimal scalp conditions directly influences hair thickness and reduction in hair loss.
By fulfilling these roles, shampoos contribute significantly to hair maintenance, ensuring hair remains clean, hydrated, nourished, and protected from damage.
How Often Should You Wash Your Hair After Straightening?
You should wash your hair after straightening about every three to four days. This frequency helps maintain the straightened style while preventing buildup of oils and products. Washing too often can strip natural oils, leading to dryness. On the other hand, waiting too long can cause your hair to look greasy. It’s important to use a sulfate-free shampoo to keep your hair healthy and minimize damage. Adjust your washing routine based on your hair type and lifestyle needs for best results.
What Practices Can Enhance the Longevity of Your Straightened Hair?
To enhance the longevity of your straightened hair, consider the following practices:
- Use sulfate-free shampoos.
- Apply heat protectants before styling.
- Limit heat exposure during styling.
- Schedule regular trims.
- Moisturize with conditioners and hair masks.
- Avoid washing hair too frequently.
- Protect hair from environmental damage.
- Consider a professional treatment.
To better understand the importance of these practices, let’s explore each point in detail.
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Sulfate-free shampoos: Using sulfate-free shampoos helps maintain moisture in straightened hair. Sulfates are harsh detergents that strip natural oils and can lead to dryness. According to a study by the American Academy of Dermatology, individuals with chemically treated hair should opt for gentler cleansing products to preserve hair health. Brands like SheaMoisture and Moroccanoil offer effective sulfate-free options.
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Heat protectants before styling: Applying heat protectants is essential for minimizing damage from styling tools. These products create a barrier against high temperatures and help maintain hair moisture. According to a study performed by the Trichological Society, using a heat protectant can reduce thermal damage by up to 50%. Examples include TRESemmé Thermal Creations and Kenra Platinum Blow-Dry Spray.
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Limit heat exposure during styling: Minimizing heat exposure while styling is crucial for protecting straightened hair. High temperatures can lead to dryness, frizz, and breakage. Studies suggest that styling at lower temperatures can prolong hair longevity. For instance, using a flat iron at 300°F instead of 400°F can significantly reduce damage.
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Regular trims: Scheduling regular trims helps remove split ends and promotes healthier hair. Hair split tends to work its way up the shaft, causing more damage over time. The American Academy of Dermatology recommends trimming every six to eight weeks to maintain hair integrity.
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Moisturize with conditioners and hair masks: Incorporating conditioners and regular hair masks adds moisture to straightened hair. Products rich in oils, such as argan or coconut oil, provide nourishment. According to the International Journal of Cosmetic Science, deep conditioning treatments can enhance hair elasticity and strength, thereby increasing its longevity.
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Avoid washing hair too frequently: Limiting hair washing prevents the removal of natural oils that keep hair moisturized. The American Academy of Dermatology advises washing hair only two to three times per week for those with straightened hair. This practice helps retain moisture and keep hair healthy.
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Protect hair from environmental damage: Protecting hair from environmental factors like sun, wind, and humidity is essential for maintaining straightened styles. Wearing hats and using products with UV filters can shield hair. A study by the Journal of Cosmetic Dermatology revealed that UV exposure can weaken hair proteins, leading to damage.
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Consider a professional treatment: Seeking professional treatments, such as keratin treatments, can enhance the smoothness and longevity of straightened hair. These treatments reduce frizz and provide long-lasting straightness. A survey by the Professional Beauty Association indicates that many users experience improved manageability for up to three months post-treatment.
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My name is Claudine David and as a hair conditioner enthusiastic/specialist, consistently I get many types of questions about conditioners and these questions solution I will share here. Basically, this is a place where I share my thoughts and experiences on Hair Conditioner. This website (https://conditionerhacks.com) is an outlet of my deep passion for Conditioner.
Specifically I specialize in hair conditioners. I have been working in the field of hair care for over 6 years. Basically my passion for hair care started when I was a young girl. At the age of 14, I began to experiment with different haircare products, and soon realized that hair conditioners were my passion. I’m always looking for the best and most innovative products. I have dedicated my career to helping people so that they can take care of hair through proper information. Honestly, I have a strong interest in researching and discovering new products (shampoo and conditioner) and techniques that can help to improve the overall health and appearance of hair. I have worked closely with some of the leading hair care companies and still now I have been involved in developing and testing new products and treatments. I have also worked with a number of salons and retail stores. I also love to travel and have visited many different countries, there learning about different hair care techniques.