The 9 Best Products for Fast Hair Growth in 2021

Meet our top recommendations for fast-acting hair growth products

When your hair starts becoming thin, fine, or flat, you’re not looking to go through bottles of broken promises.

You want something that’s going to work, and work fast. As well as strengthen, grow, and revitalise your hair, without the false hope.

We’ve put together a list of our top products to help promote hair growth and strength, so you have the best chance at achieving increased fullness and length.

By cleansing the scalp, improving your inner health, or repairing and preventing further damage, these products get to the root of the cause.

If you’re looking for fast, effective, and immediately visible results, we have a range of treatments, haircare, and supplements that will transform your hair from the inside out!

The Aveda Invati™ Advanced Exfoliating Shampoo LIGHT is a naturally derived, 3-step hair thickening system that invigorates the hair and scalp with a blend of Ayurvedic herbs, Ginseng, and Turmeric. This shampoo uses wintergreen-derived Salicylic Acid to gently exfoliate the scalp, leaving your hair cleansed and renewed.

This creates the perfect foundation for following with Aveda Invati™ Advanced Thickening Conditioner 200ml, an amino acid-derived formula, to strengthen and thicken hair. Finish with Aveda Invati™ Advanced Scalp Revitalizer 150ml, which features a blend of Tangerine Peel and Japanese Knotweed to support the hair’s natural keratin. Powered by botanicals, these advanced hair growth products from Aveda work in tandem to instantly thicken hair, expanding strands from roots to ends. The Aveda Invati™ Advanced Exfoliating Shampoo LIGHT is perfect for you if you want to achieve greater fullness via a natural, cruelty-free hair growth system.


KEVIN.MURPHY Body.Mass uses a mixture of natural ingredients and some seriously smart science to transform your hair. By implementing eyelash-growth technology, this advanced, botanical-enriched formula densifies and extends the hair’s growth period. Oleanolic Acid works at the roots to fortify the hair follicles, while Biotinoyl Tripeptide smooths, repairs, and protects the hair shafts.

This treatment not only strengthens your hair at the roots but also helps prevent hair from rapidly ageing. On top of it all, KEVIN.MURPHY Body.Mass offers amazing heat protection up to 216°C. Expect this treatment to deliver visibly plump and thickened results, for hair with beautiful body and bounce.


If maximum hair growth is your goal, then good nutrition should be your ‘mane’ priority. JSHealth 1 Month Hair + Energy capsules support the body’s natural processes to promote healthy hair growth by nourishing from the inside out. Containing both Iodine and Zinc, this formula helps restore your hair’s strength, length, and growth.

With consistent use, JSHealth 1 Month Hair + Energy supplements maintain these positive benefits to your hair, skin, and nails for long-lasting results. And if you’re looking for something to give you that extra boost, these capsules work to regulate the metabolism as well as increase energy production. Everybody knows beauty isn’t just about how you look, but how you feel. These hair growth supplements will help you see a difference and feel it too!


The Nioxin 3D Trial Kit System 1 is a proven 3-step system that uses targeted technology to thicken fine and thinning hair. One of many fantastic Nioxin hair-growth packs, the 3D Trial Kit System is perfect for plumping normal to thin, natural hair.

Nioxin 3D System 1 Cleanser Shampoo thoroughly cleanses the hair and scalp, removing follicle-clogging sebum and environmental residues. Once the hair is cleansed and refreshed, follow with Nioxin 3D System 1 Scalp Therapy Revitalizing Conditioner, a lightweight but extremely hydrating conditioner that will help strengthen the hair and protect against breakage. Finish with Nioxin 3D System 1 Scalp & Hair Treatment, a leave-in-treatment that adds shine and increases the fullness of each strand of hair. 

This brilliant trio will help you achieve thicker-looking, glossy locks that are voluminous and refreshed.


Apotecari Mane Event 1 Month Supply vegan hair supplements are formulated by a team of naturopaths, nutritionists, and trichologists to yield outstanding hair growth. These supplements contain Amino Acids, Activated B Vitamins, and Silica, which provide the building blocks for strong, shiny hair. Ingredients such as Vitamin E, Calcium, and Selenium ensure that the hair is nourished from the inside out.

Apotecari Mane Event 1 Month Supply also contains antioxidant ingredients, which fight off free radicals that can contribute to follicle damage. This ethical, Australian supplement is your go-to if you’re seeking to reduce hair loss or repair structural damage following heat styling, bleaching, or colour damage.


Kérastase Résistance Extentioniste Serum 50ml is a powerful treatment that works to repair hair damage by nourishing and restoring hair fibres. This highly concentrated serum stimulates the hair follicles for enhanced growth and uses active ingredients to promote scalp health. Ceramides soften and treat damaged hair, while Ceratine penetrates deeply to reinforce the structure of the hair’s fibre.

Perfect for those seeking to lengthen colour-damaged or bleached hair, Kérastase Résistance Extentioniste Serum 50ml helps your hair grow out into gorgeous, flowing locks that show increased shine. This powerful serum also works to purify and protect your scalp, so you can improve hair from root to tip.


Kérastase Résistance Extentioniste Bain Shampoo works hard to stop the process of damage in its tracks. If your hair is experiencing breakage, damage, or split ends, choose this incredibly softening, strengthening and repairing formula. Ceramides help improve surface recovery by softening the hair, while Taurine works to protect the hair fibre from environmental aggressors and damage.

Kérastase Résistance Extentioniste Bain Shampoo also contains Pro-Keratin, which helps restore and restructure the hair. For truly transformative results, try this strengthening conditioner with Kérastase Résistance Extentioniste Fondant Conditioner and the accompanying Kérastase Résistance Thérapiste Masque. This combination works in tandem to revitalise hair from the inside out, leaving it shiny and smooth.

Amelia from our Customer Experience Team shares her hair breakage journey and how she saved her bleached & damaged hair using Kérastase in the YouTube video below...

If you want to discover more about the Kérastase range, read through our guide, What Kérastase Products Should I Use?

Nioxin 3D System 5 Scalp & Hair Treatment is a professional leave-in treatment that not only refreshes the scalp but also increases the fullness of each strand. A must-have if you’re trying to increase the thickness of your hair, this treatment contains a Transactive Delivery System 2.0 to help increase the diameter of the hair follicle.

To increase hair’s density, Nioxin 3D System 5 Scalp & Hair Treatment includes Smooth Plex, which helps boost hair’s moisture and adds smoothing control. This treatment is the last step in the Nioxin 3D Trial Kit System 5, a 3-part system that will help you on your journey to healthy, luscious hair.


The Klorane Quinine Keratin Strength Fortifying Spray is an affordable 3 month treatment designed to boost thining hair. This hair treatment provides essential nutrients to the core of the hair fibre, helpin to build body and strangthen hair over time. You can use this on your scalp and hair for impressive, gradual results.

The Klorane Quinine Keratin Strength Fortifying Spraycontains Keratin, Quinine, Caffeine and B Vitamins to strengthen hair from the inside out. You can apply this spray to towel dried hair, using 6-8 sprays on your hair and 2-3 on your scalp. Gently massage in the product and allow to dry before styling.




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