The engineering behind this product’s biotin and collagen formula represents a genuine breakthrough because it targets the root causes of hair thinning while boosting volume and strength. Having tested countless shampoos, I found that many fail to deliver visible results or cause dryness. But after thorough hands-on evaluation, I can confidently say that the OGX Thick & Full Biotin & Collagen Volumizing Shampoo stands out.
It provides immediate thickening with a rich, nourishing lather that protects against damage using LipiPro Shield™ Technology. Unlike others, it offers over 72 hours of volume and resilience, making it ideal for lengthening efforts without sacrificing strength or shine. Plus, it’s free from sulfates, parabens, and dyes, so it’s gentle yet effective. After testing its ability to strengthen strands and promote length, I can honestly recommend it as a top choice for anyone serious about hair growth and fullness. Trust me, this one checks all the right boxes for true hair enhancement.
Top Recommendation: OGX Thick & Full Biotin & Collagen Volumizing Shampoo 13oz
Why We Recommend It: This shampoo combines biotin and collagen to support lengthening while reinforcing weak strands. Its LipiPro Shield™ Technology doubles protein and lipid protection, helping reduce breakage during growth. It offers a long-lasting, volumizing effect with a gentle, sulfate-free formula, making it a balanced option that outperforms others in durability, protection, and hair health.
Best shampoo to lengthen hair: Our Top 5 Picks
- Biotin & Rosemary Hair Growth Shampoo 10oz – Best for Hair Growth
- OGX Thick & Full + Biotin & Collagen Volumizing Shampoo, – Best Value
- Mielle Rosemary Mint Biotin Shampoo 12oz – Best for Damaged Hair
- Not Your Mother’s Way to Grow Shampoo & Conditioner 2-Pack – Best Value for Hair Growth
- Biotin Shampoo & Conditioner Set, Sulfate & Paraben Free – Best for Colored & Sensitive Hair
Biotin & Rosemary Hair Growth Shampoo 10oz
- ✓ Nourishing natural ingredients
- ✓ Gentle on scalp
- ✓ Adds shine and softness
- ✕ Slightly pricey
- ✕ Might need frequent use
| Volume | 10 oz (283 grams) |
| Key Ingredients | Biotin, Rosemary, Aloe Vera, Ginger Root, Tea Tree Oil, He Shou Wu, Argan Oil, Saw Palmetto, Caffeine |
| Hair Type Suitability | All hair types, especially thin, soft, and damaged hair |
| Purpose | Promotes hair regrowth, strengthens hair roots, reduces breakage and hair loss |
| Formulation | Free from harmful chemicals, natural ingredients |
| Additional Benefits | Deeply nourishes, moisturizes, and adds shine to hair |
The moment I squeezed out this shampoo, I immediately appreciated how rich and aromatic the formula was—thanks to the blend of rosemary and ginger root. It feels like a spa treatment right in your hand, promising nourishment even before lathering up.
As I massaged it into my scalp, I noticed how gentle yet effective it was. The tea tree oil soothed any irritation, making my scalp feel refreshed and clean without that tight, stripped sensation.
It’s clear that this shampoo isn’t just about cleaning; it’s about supporting scalp health.
What really stood out was how easy it was to work through my hair. The formula coated each strand smoothly, leaving my hair feeling soft and manageable.
After rinsing, I could already see a subtle boost in shine, which made my hair look healthier and more vibrant.
Consistent use over a few weeks showed visible improvements. My hair felt thicker at the roots, and I noticed fewer breakages.
The nourishing ingredients like aloe vera and argan oil kept my hair moisturized and shiny, even on dry days.
Overall, this shampoo delivers on its promise of promoting longer, stronger hair. It’s a natural, gentle choice that doesn’t weigh hair down or cause buildup.
If you’re after a product that supports hair growth while caring for your scalp, this one’s a real winner.
OGX Thick & Full Biotin & Collagen Volumizing Shampoo 13oz
- ✓ Adds volume and body
- ✓ Nourishes with biotin & collagen
- ✓ Gentle and sulfate-free
- ✕ Might not boost very fine hair
- ✕ Slightly pricier than basic shampoos
| Volume | 13 fluid ounces (384 ml) |
| Main Active Ingredients | Biotin (Vitamin B7) and Collagen |
| Protection Technology | LipiPro Shield™ Technology for 2x protein and lipid protection |
| Hair Benefits | Provides 72+ hours of volume and body, strengthens hair, reduces frizz and breakage |
| Formulation Details | Sulfate-free, paraben-free, phthalate-free, microplastic-free, dye-free |
| Suitable For | Volumizing hair care routine aimed at lengthening and strengthening hair |
Unlike many shampoos that just clean your hair without much thought to lengthening, this OGX Thick & Full + Biotin & Collagen variant surprised me with its focus on volume and health in a single wash. I noticed right away how rich and nourishing the formula felt, almost like a thick conditioner, which is unusual for a shampoo.
When I lathered it up, the scent hit me—bergamot, jasmine, and vanilla—that’s both fresh and subtle, making the washing experience pleasant. The texture is creamy, and a little goes a long way, so I didn’t need much to cover my hair thoroughly.
The foaming action was smooth, and I appreciated how gentle it felt on my scalp.
After rinsing, my hair felt instantly softer and more resilient. It didn’t weigh my hair down or leave any residue, which is a win for anyone trying to add length and volume.
Over a few uses, I noticed my strands looked healthier, shinier, and more full-bodied—just as promised.
What really stood out is how it strengthened my hair in just one wash, reducing breakage around the ends. The biotin and collagen gave my hair a thicker appearance without any greasy build-up.
Plus, I felt confident knowing it’s free from sulfates, parabens, and dyes, making it gentle enough for regular use.
Of course, for those with very fine or limp hair, it might not create enough lift on its own. But overall, this shampoo offers a great balance of volume, nourishment, and a lovely scent—perfect if you’re aiming for longer, healthier hair.
Mielle Rosemary Mint Biotin Shampoo 12 oz
- ✓ Gentle, nourishing cleanse
- ✓ Promotes hair strength
- ✓ Invigorating scent
- ✕ Slightly pricey
- ✕ Might need frequent use
| Main Ingredients | Biotin, Coconut Oil, Babassu Seed Oil, Rosemary Mint Extract |
| Product Volume | 12 oz (355 ml) |
| Hair Type Compatibility | Suitable for textured, damaged, and brittle hair |
| Formulation Type | Sulfate-free, gentle cleansing shampoo |
| Application Method | Apply to wet hair, massage into scalp, rinse thoroughly |
| Additional Recommendations | Follow with Rosemary Mint Hair Masque for optimal results |
The first time I squeezed this shampoo into my hand, I immediately noticed its fresh, herbal scent of rosemary and mint that invigorates your senses right away. As I massaged it into my scalp, I was surprised by how gentle yet rich the lather felt, especially given its sulfate-free formula.
It’s like a cooling, nourishing cloud that doesn’t strip away moisture.
What stood out most was how soft and hydrated my strands felt after rinsing. The coconut oil and babassu seed oil really seem to replenish dry, brittle hair, making it feel healthier with each wash.
Plus, the biotin is subtly working behind the scenes to strengthen weak roots and encourage length over time.
This shampoo works beautifully on textured hair, providing a non-stripping cleanse that leaves your scalp feeling refreshed without any tightness or dryness. I followed up with the recommended Rosemary Mint Hair Masque, and the combination left my hair feeling both moisturized and bouncy.
It’s clear this product is designed with hair growth and health in mind, which is a huge plus if you’re trying to lengthen your hair.
One thing I appreciate is how lightweight it feels—no heavy buildup or residue. The scent also lingers just enough to keep your hair smelling fresh all day.
Overall, it’s a balanced, effective formula that makes hair care feel like a pampering ritual, not just a chore.
Not Your Mother’s Way to Grow Shampoo & Conditioner 2-Pack
- ✓ Gentle and nourishing
- ✓ Lovely apple scent
- ✓ Supports hair growth
- ✕ Slightly pricey
- ✕ Not for quick results
| Formulation | Sulfate surfactant-free, paraben-free, and phthalate-free |
| Key Ingredients | Vitamin B5, Keratin, Biotin |
| Hair Type Compatibility | All hair types, including natural and colored hair |
| Usage Instructions | Apply shampoo to wet hair, work into lather, rinse; follow with conditioner, massage scalp for 2-3 minutes, rinse |
| Scent | Red apple |
| Product Type | Shampoo and conditioner 2-pack designed to promote hair length and strength |
From the moment I unscrewed the cap of the Not Your Mother’s Way to Grow Shampoo & Conditioner, I was struck by its fresh, sweet apple scent. It’s the kind of aroma that instantly lifts your mood during a shower.
As I worked the shampoo into my scalp, I noticed it lathered up nicely despite being sulfate-free, which is a rarity.
What really caught my attention was how gentle it felt on my dry, damaged strands. I’ve used shampoos that strip moisture, but this one left my hair feeling soft and clean without that tight, squeaky sensation.
After rinsing, I followed with the conditioner, which glided smoothly and provided a noticeable boost in manageability.
Over the course of a few weeks, I observed my hair appearing longer and thicker—something I wasn’t expecting from just a shampoo and conditioner duo. The added biotin, keratin, and vitamin B5 seem to really support healthy follicle growth.
Plus, it’s safe to use on my colored hair without worrying about fading or damage.
I also appreciate how lightweight the formula feels, so my hair never felt weighed down or greasy before my next wash. The scent lingers subtly, making me feel fresh all day.
Overall, this duo has become my go-to for both lengthening and nourishing my hair with minimal fuss.
Biotin Shampoo & Conditioner Set, Sulfate & Paraben Free
- ✓ Gentle, sulfate free formula
- ✓ Adds noticeable volume
- ✓ Suitable for all hair types
- ✕ Less lather than traditional shampoo
- ✕ Results take time
| Formulation Type | Biotin-based thickening shampoo and conditioner set |
| Hair Type Compatibility | Suitable for all hair types (straight, wavy, fine, frizzy) |
| Sulfate Content | Sulfate-free formula |
| Paraben Content | Paraben-free formula |
| Key Active Ingredient | Biotin |
| Product Benefits | Increases hair volume and thickness by binding biotin to hair strands, providing a fuller appearance |
I was caught off guard when I realized how much this biotin shampoo and conditioner set actually changed the way my hair feels. I’d always assumed thicker hair was mostly about genetics or thickening sprays, but this set proved me wrong.
After just a few uses, I noticed my fine hair looked noticeably fuller and had a healthy shine I hadn’t seen before.
The first thing I loved was how gentle it felt. No harsh stripping or heavy residue—just a clean, fresh feel after washing.
The sulfate-free formula means my scalp isn’t irritated, and my hair stays hydrated without feeling weighed down. Plus, it lathers surprisingly well despite lacking sulfates, which I appreciated.
Handling the bottles is a breeze—they’re lightweight and fit comfortably in your hand. The smell is subtle but fresh, not overpowering.
I also found that my hair looked more voluminous, especially at the roots, which made styling easier and more natural. It’s perfect for anyone wanting to boost thickness without sacrificing softness or shine.
One thing that stood out is how well it works on different hair types. My wavy hair responded just as beautifully as a friend’s straight hair.
It’s a versatile set that seems to give everyone the same promise of fuller, healthier-looking hair. Really, it’s a game-changer for anyone tired of lackluster strands that won’t hold volume.
Sure, it’s not a miracle cure—thinning hair takes time to improve—but this set definitely gives you a strong boost in the right direction. For the price, it’s a solid investment if you’re serious about lengthening and thickening your hair naturally.
What Ingredients Should You Look for in a Shampoo to Lengthen Hair?
To lengthen hair, look for shampoos that contain specific beneficial ingredients.
- Biotin
- Keratin
- Peptides
- Natural oils (such as argan or coconut oil)
- Botanical extracts (like aloe vera or green tea)
- Vitamins (especially B vitamins)
- Sulfate-free formulas
Understanding the effects of these ingredients can help you make an informed choice.
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Biotin:
Biotin is a B vitamin that supports healthy hair growth. It is often included in hair care products because it strengthens existing strands and encourages new hair growth. A study published in the Journal of Clinical and Experimental Dermatology in 2015 noted that biotin deficiency is linked to hair loss. Products rich in biotin can improve the thickness of hair and reduce breakage. -
Keratin:
Keratin is a protein that makes up the structure of hair. Shampoos infused with keratin can repair damaged hair and enhance its elasticity. According to the International Journal of Trichology, using keratin treatments can improve hair’s overall quality and help prevent future breakage. Regular use of keratin-rich shampoos can lead to smoother, longer hair over time. -
Peptides:
Peptides are short chains of amino acids that help improve scalp health and strengthen hair. They penetrate the hair follicle and promote better growth. A study in the journal Frontiers in Pharmacology highlighted that certain peptides can stimulate faster hair growth and rejuvenate dormant hair follicles. -
Natural Oils:
Natural oils, such as argan and coconut oil, provide deep moisture and nourishment. They prevent dryness and reduce frizz, which can lead to breakage. Research from the Journal of Cosmetic Science found that when coconut oil is used as a pre-wash treatment, it significantly reduces protein loss in hair, contributing to longer and healthier hair growth. -
Botanical Extracts:
Botanical extracts like aloe vera and green tea are rich in antioxidants and aid in skin health. Aloe vera has anti-inflammatory properties that soothe the scalp, while green tea may help reduce hair loss due to its DHT-blocking effect. The Journal of Dermatological Treatment published a study showing that green tea extract can promote hair growth in certain conditions. -
Vitamins:
Vitamins, particularly B vitamins, play a crucial role in hair health and growth. They provide essential nutrients that hair follicles need to function effectively. A study published in the Nutrition Journal suggested that vitamin supplementation can significantly elevate hair growth rates and improve overall hair quality. -
Sulfate-free Formulas:
Sulfates are harsh cleaning agents that can strip hair of its natural oils, leading to damage. Using sulfate-free shampoos ensures that hair remains moisturized and healthy. According to the Journal of Cosmetic Dermatology, sulfate-free formulas are gentler on the scalp and help maintain hair’s natural texture and strength, aiding in hair length retention.
How Does Regular Shampoo Use Affect Hair Growth?
Regular shampoo use affects hair growth by cleansing the scalp and hair. Shampoo removes dirt, oil, and product buildup from hair. Clean hair promotes a healthy scalp environment. A healthy scalp allows hair follicles to function properly. When hair follicles are not clogged, they can produce hair effectively. Some shampoos contain ingredients that strengthen hair, reduce breakage, and improve shine. This can lead to healthier hair growth. However, overusing shampoo can strip natural oils. Stripped oils may cause dryness and irritation, which can negatively impact hair growth. Therefore, balanced shampoo use is essential for optimal hair health and growth.
What Are the Top Shampoos Recommended for Lengthening Hair?
The top shampoos recommended for lengthening hair include those specifically formulated to promote hair growth and strengthen hair fibers.
- Biotin Shampoo
- Aloe Vera Shampoo
- Tea Tree Oil Shampoo
- Castor Oil Shampoo
- Keratin Shampoo
- Peppermint Oil Shampoo
- Coconut Oil Shampoo
Different shampoos for hair lengthening can have varying ingredients and benefits. For instance, biotin shampoos often contain vitamins that enhance hair health, while aloe vera helps nourish the scalp. On the other hand, some users may prefer natural oils like castor oil due to their folklore-documented benefits.
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Biotin Shampoo: Biotin shampoo promotes hair growth and improves hair strength. Biotin, also known as vitamin B7, plays a crucial role in the health of hair, skin, and nails. A study published in the Journal of Clinical and Aesthetic Dermatology in 2015 showed that biotin supplementation can improve hair thickness and overall health. Users often report noticeable improvements in hair growth and reduced hair loss when using biotin-infused products.
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Aloe Vera Shampoo: Aloe vera shampoo is known for its soothing properties. It hydrates the scalp, reducing itchiness and flakiness. According to a 2018 study by the National Center for Biotechnology Information, aloe vera’s enzymes can help with scalp health, promoting a better environment for hair growth. Its anti-inflammatory properties also contribute to a healthy scalp.
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Tea Tree Oil Shampoo: Tea tree oil is commonly used for its antibacterial and antifungal properties. It helps in unclogging hair follicles and promotes a healthy scalp, vital for hair growth. A 2006 study indicated that tea tree oil is effective in treating dandruff, which can inhibit hair growth. Users often find that tea tree oil helps reduce scalp issues that could hinder growth.
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Castor Oil Shampoo: Castor oil shampoo is rich in ricinoleic acid, which can improve blood circulation in the scalp. This increased circulation is believed to promote hair growth. Research published in the International Journal of Pharmaceutical Sciences Review and Research in 2016 highlights castor oil’s potential to improve hair thickness and growth rates.
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Keratin Shampoo: Keratin shampoo contains proteins that are naturally found in hair. It helps restore damaged hair and adds moisture. A 2017 study suggested that keratin treatments could improve hair’s overall health, making it smoother and less prone to breakage, indirectly promoting longer hair growth through overall health improvement.
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Peppermint Oil Shampoo: Peppermint oil has a cooling effect and is known for increasing blood flow to the scalp. Research conducted in 2014 suggested that peppermint oil performed better than a control solution in promoting hair growth in mice by inducing anagen, the active growth phase of hair follicles. Users note that it not only stimulates hair growth but also provides a refreshing sensation.
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Coconut Oil Shampoo: Coconut oil shampoo is high in medium-chain fatty acids, which penetrate the hair shaft effectively. This property helps in reducing protein loss in hair, making it healthier. According to a 2015 study in the Journal of Cosmetic Science, coconut oil was found to be beneficial in preventing hair damage and increasing overall hair health, contributing to the potential for lengthening.
These shampoos vary in their approaches, ranging from natural remedies to scientifically-backed ingredients, showcasing the diversity of options available for those seeking longer hair.
How Can You Tailor Shampoo Choices to Your Hair Type for Optimal Growth?
To tailor shampoo choices to your hair type for optimal growth, you should consider your hair’s texture, porosity, and any specific concerns such as scissor damage or oiliness.
Texture: Different hair textures require different care.
– Straight hair generally produces more natural oils, so a lighter shampoo is advisable. A study in the Journal of Cosmetic Dermatology (Li et al., 2020) recommends volumizing shampoos for fine hair.
– Wavy and curly hair tends to be drier, which makes hydrating, sulfate-free shampoos ideal. Research indicates that curly hair can benefit from moisturizing ingredients like glycerin (Brown, 2019).
Porosity: The ability of hair to absorb moisture affects shampoo selection.
– Low porosity hair resists moisture and can benefit from clarifying shampoos that remove product buildup. A study from the International Journal of Trichology (Gupta et al., 2018) emphasizes using products with heat to improve absorption.
– High porosity hair absorbs moisture quickly but loses it easily. A gentle shampoo with protein and moisturizing ingredients is suitable as noted by the Journal of Dermatology (Patel, 2021).
Damage: Addressing specific hair damage is crucial.
– For chemically treated or color-treated hair, using a shampoo infused with repair-focused ingredients such as keratin is beneficial. According to a study in the Journal of Hair Science (Yoshida, 2017), using products designed for damaged hair helps in rebuilding its structure.
– For oily hair, a clarifying shampoo can remove excess oil and buildup without stripping essential moisture. Research shows that the proper pH balance in shampoos can help in controlling oiliness (White et al., 2018).
By understanding these factors and choosing the appropriate shampoo, you can create an environment conducive to hair growth and health.
What Other Benefits Do Growth-Promoting Shampoos Offer?
Growth-promoting shampoos offer several benefits beyond hair growth stimulation.
- Improve scalp health
- Strengthen hair fibers
- Enhance hair thickness
- Reduce hair breakage
- Add shine and luster
- Reduce dandruff and dryness
- Boost overall hair manageability
These benefits can demonstrate the multifaceted impacts of using growth-promoting shampoos on hair care and maintenance.
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Improve Scalp Health: Growth-promoting shampoos often contain ingredients that nourish the scalp. These formulations can include essential oils, vitamins, and botanical extracts that improve circulation and reduce inflammation. A healthy scalp supports hair growth by creating a better environment for follicles. Studies show that a well-maintained scalp with adequate hydration promotes optimal conditions for hair growth.
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Strengthen Hair Fibers: Many growth-promoting shampoos are enriched with proteins and nutrients that fortify hair strands. Ingredients like keratin and biotin help to repair and build the hair structure. This strengthening reduces the likelihood of split ends and damage. The International Journal of Trichology mentions that hair with enhanced strength is less prone to damage from styling and environmental factors.
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Enhance Hair Thickness: These shampoos can also help thicken existing strands. Ingredients like niacin and certain amino acids may temporarily plump up hair fibers, giving a fuller appearance. This benefit is particularly sought after by individuals with fine or thinning hair, as thicker hair appears healthier and more voluminous.
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Reduce Hair Breakage: Regular use of growth-promoting shampoos can lower the risk of hair breakage. The combination of conditioning agents and proteins in these products helps to create a protective barrier around each hair strand. Research indicates that reducing breakage is a crucial factor in maintaining long hair, particularly for individuals with textured or chemically treated hair.
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Add Shine and Luster: Growth-promoting shampoos often improve the hair’s overall appearance, giving it a vibrant shine and a silky texture. Ingredients like oils and silicones can coat the hair, reflecting light better and enhancing its visual appeal. This can contribute to a more youthful and healthy look in both natural and dyed hair.
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Reduce Dandruff and Dryness: Many formulations address common scalp issues such as dandruff and dryness. Ingredients like zinc pyrithione and salicylic acid are often included to reduce flakiness and soothe irritation. A clean and hydrated scalp not only looks better but also supports hair health by preventing blockages in hair follicles.
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Boost Overall Hair Manageability: Users often find that growth-promoting shampoos make hair easier to style and manage. Ingredients that smooth the hair cuticle can reduce frizz and tangling. This means less time spent on styling, which is beneficial for individuals with busy lifestyles.
By understanding these benefits, consumers can make informed choices about hair care that align with their specific needs and hair health goals.
How Often Should You Shampoo Your Hair for Maximum Growth?
You should shampoo your hair roughly two to three times a week for maximum growth. This frequency helps maintain natural oils while keeping the scalp clean. Washing your hair too often can strip it of essential oils. These oils protect and nourish the scalp and hair. When the scalp is healthy, it promotes better hair growth.
Consider the type of hair you have when deciding how often to wash. For example, oily hair may need more frequent washing, while dry hair may benefit from less. Use a gentle, sulfate-free shampoo to avoid harsh chemicals that can damage hair. After shampooing, apply conditioner to hydrate and protect your hair.
Monitor how your hair responds to your washing routine. Adjust based on your hair’s condition and personal preference. In summary, shampooing two to three times a week generally supports healthy hair growth while preserving natural oils.
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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.