Longing for hair growth products that actually work? We’ve got you. From stimulating scalp shampoos to dreamy overnight serums, we’ve found the best formulas for speed and strengthening - bonus, they’re enjoyable to use, too. Whether you’ve experienced hair loss due to thinning, breakage or slow growth, there are so many ways we can encourage it back to its former crowning glory.
So, we’ve tried and tested some of the very best hair growth products to inspire a hair growth routine that doesn’t just lengthen, but supports overall health, too. Scroll to discover the ingredients to search for and the products to pick to get to the root of your problems.
Best for a timeless remedy: inde wild Champi Hair Oil, £56
Best for dreamy overnight results: TYPEBEA G1 Overnight Boosting Peptide Serum, £43
Best for value: Sephora Collection Strengthening Hair Serum - Fortify + Increase density, £17.99
Best for salon-quality treatment: Kérastase Densifique Masque Densité, £47
Best for strengthening hair: FABLE & MANE HoliRoots Pre-Wash Strengthening Treatment Hair Oil, £46
By Sephora UK Haircare Editorial Team
Writers and experts
Updated: 5 August 2025
Shop all Hair Growth Products at Sephora UK.
If your locks are feeling a little limp, try welcoming this nourishing hair growth oil into your weekly self-care routine. The inde wild Champi Hair Oil pays homage to the founder’s mother’s age-old recipe and it strengthens the hair from the inside out. Infused with the finest Ayurvedic ingredients inspired by a traditional Indian garden, use it overnight and wake up with soft, smooth, shiny hair.
Caffeine, 16+ Ayurvedic ingredients
“This hair oil has done wonders for my hair. It has a rich blend of natural oils that leave my scalp feeling nourished and my hair looking healthier and shinier. An absolute essential in my haircare routine!” - Kira, Customer Review
Serum for your hair? That’s right, and we’re into it. This fast-acting, overnight hair growth serum by Typebea will help your hair grow, reduce shedding, and encourage it to be healthier than ever. The star of the show is its clinically proven Baicapil™ and the powerful blend of actives and Peptides which rejuvenate the hair follicle for stronger strands. And, with no wash-out required, you can just get up and glow.
Baicapil™, actives and Peptides
“So easy to use, feels lovely on the scalp. My hair is definitely fuller and the areas of regrowth can be seen.” - Debra, Customer Review
Want healthier hair naturally? Then this is the hair growth serum for you. Made with 99% ingredients from natural origin, including the wonder ingredient, Biotin for hair, it’s one of our faves for fuller hair. Not only is it packed with Biotin, but vegetal Proteins, too - which are similar in structure to Keratin - offering incredible strength and thickness. Lock it in!
Biotin and Phyto Proteins
“This is incredible, it made my thinning hair grow within months. I hope this restocks.” - Customer Review
If you’re looking for blow-out level bounce, then try the Kérastase Densifique Masque Densité. This replenishing hair mask is packed with Stemoxydine for stimulating hair growth and Hyaluronic Acid for deep hydration. Despite its name, the gel-like texture is super light and easily washes out for instantly thicker locks. Warning: volume this loud might cause compliments.
Stemoxydine and Hyaluronic Acid
“This luxurious hair masque was easy to use and left my hair feeling thicker, fuller, softer, and shinier.” - Kaydee, Customer Review
Like the name suggests, this reparative and restorative conditioner gives hair back its bounce. Formulated with a blend of Avocado, Buriti Seed, and Blue Tansy flower oils, it boosts Protein levels, restores elasticity and prevents breakage for kinky, curly, and coily hair. Top tip: leave on for even longer and unmask unbelievable shine.
Avocado, Buriti Seed and Blue Tansy flower oils
“I LOVE the smell of the blue tansy conditioner, it’s subtle and sweet. I was also pretty amazed about the immediate change in my hair. Before it felt so coarse (other conditioner, most likely) but now it’s sooo soft and makes my 3B curls look and feel amazing.” - Meghan, Customer Review
If your hair has been hurt by bleach, colour or heat, your locks may need a little extra love. Cue the K18 Leave-in Molecular Repair Hair Mask. A leave-in treatment mask for all hair types, it clinically reverses damage in just four minutes. Powered by patented K18PEPTIDE™ which reaches the innermost layers of hair and reconnects broken Keratin chains, it repairs damage and restores strength, softness, and smoothness. We’ll take two.
K18Peptide™
“I really love this product, it really is an absolute game changer. I use it once/twice a week and it has changed the condition of my hair for the better after about six months of use. I highly recommend it, worth every penny even if it is expensive! Want to try their other hair products next!” - Emily, Customer Review
Hard water can play havoc with our hair, so if you’ve had enough of dry, brittle locks, say hello to Hello Klean’s Full Length Anti-breakage Hard Water Shampoo. The Charcoal-infused formula is deep-cleansing and gentle, breaking down the moisture-blocking crystals and transforming weighed-down hair to soft and silky strands. It gives hard water a hard no.
Bamboo Charcoal, Licorice Root, Oat Protein, and Lactic Acid
“This shampoo, in conjunction with the Hello Klean shower filter has brought my hair back to life. I have less fallout volume I haven't had for a long time. Also the bottle is very pretty in the bathroom and the shampoo is overall a pleasant experience!” - Customer Review
We're not sure if these results are good Karma or incredible natural hair growth products, but this Fable and Mane hair oil is a great way to find out. Embracing the power of Indian beauty practises to enhance your wellbeing, this pre-wash strengthening treatment will nourish your hair from root to tip. The ultimate 'ten roots' remedy calms the scalp, supporting circulation while increasing hair thickness (and happiness) along the way.
Dashmool, Ashwagandha and Castor Oil
“Effective and smells incredible. This hair oil is the only one I found that reduced hair fall. I massage it onto my scalp a few hours before washing my hair and it also helps with my dry scalp. I'm already on my third bottle!” - Srija, Customer Review