Top Hair by Sam McKnight Deals for September 2025

Raise your hair game with the best-selling Big Set from Hair by Sam McKnight. This hair hack makes achieving voluminous, glamorous hair fast, delivering runway-ready results. For effortless, bombshell volume at home. Inspired by Sam's backstage kit, the Big Set comes complete with a bespoke gold professional hood dryer and a set of 18 velcro rollers in three versatile sizes with clips. * As featured on This Morning * Sold out 5x

Bring the essence of an Ibiza summer to your hair with Sundaze Sea Spray. Infused with natural sea salt and Sunflower Seed Extract, it creates soft, defined beach texture while protecting against UV damage. Enriched with Pro Vitamin B5, Hibiscus Flower Extract, and Castor Oil, this spray offers a weightless, conditioning finish for piecey, effortless waves. Awarded Best Styling Product in Who What Wear's Next In Beauty Awards 2023 and featured in The Sunday Times, it's your shortcut to summer-ready hair all year round. Capture that carefree, sun-kissed look in just a few spritzes.

Best Hydrating Shampoo 2025 Winner - Marie Claire Keep your hair vibrant, smooth and deeply nourished with our Kind to Biome® certified cleanser. Formulated with strengthening plant Keratin, colour-protecting Quinoa Pro and hydrating Sugar Beet to repair and condition thirsty and damaged hair from root to end. If your hair is calling out for moisture, this one's for you. Combine with Rich Nourish Conditioner here and save £10

Winner of Marie Claire Best Volumising Shampoo 2024 Take your cleansing routine to new heights with our science-backed, Kind to Biome® certified volumising shampoo. Containing hair volumising and thickening active Voluminis™, hydrating Pro-Vitamin B5 and protein-packed Fermented Rice Water to soothe, strengthen and restore shine. Combine with Cool Girl Volume Conditioner here and save £10 *Voluminis™ gives up to 30% more volume and thickness *95% users said their hair had more body and shine *80% experienced immediate fullness, root lift and more voluminous hair

Deeply nourish and revitalise thirsty, damaged or colour-treated strands. Formulated with nutrient-rich Castor and Sunflower seed oils and repairing vitamins to retain moisture, control frizz and leave your hair soft, shiny and manageable. Essential for hair in need of some extra TLC. Combine with Rich Cleanse Nourishing Shampoo here and save £10

Sam's award-winning hair heroes-Cool Girl Texture Mist and Happy Endings Nourishing Balm-are the ultimate duo for instant volume, texture, and frizz-free definition. A few spritzes of "Greatest Hair Products of All Time" Cool Girl Texture Mist takes hair from flat to full, creating Sam's signature done/undone finish in seconds. To add definition, follow with Happy Endings Nourishing Balm, smoothing it through the lengths to defrizz, defluff, and define. The perfect way to add weightless hydration, split-end repair, and shine. An effortless transformation with flawless results. *Happy Endings - Marie Claire's Best Multitasker 2023; Tatler's Best Definer 2024 *100% said frizz and flyaways were instantly reduced and hair felt instantly healthier and nourished with Happy Endings *Awarded "Greatest Hair Products of All Time" - WWD Magazine

Our science-backed secret to up to 30% more healthy volume for all hair including fragile, thirsty, dehydrated or damaged hair. Featuring Kind to Biome® certified gentle cleanser and weightless conditioner. Formulated with Voluminis™, a dual-action volumising and thickening active that delivers up to 30% more volume in one wash for fuller, thicker hair. Enriched with Fermented Rice Water, full of nourishing antioxidants, strengthening proteins and amino acids, this care duo leaves hair transformed - irresistibly nourished, smooth and shiny. *Voluminis™ gives up to 30% more volume and thickness *Winner of Marie Claire Best Volumising Shampoo 2024

Unlock endless styling possibilities with the Hair by Sam McKnight Discovery Kit. This limited edition set includes five award-winning Super Stylers in mini sizes, perfect for creating everything from sun-kissed waves to voluminous styles with ease. Housed in the stylish Cool Girl Travel Bag, it's your go-to for achieving any look, anywhere. Whether you're experimenting with new styles or finding your perfect products, this kit offers professional results without the commitment. Don't miss out on this exclusive opportunity to elevate your hair game while stocks last.

Discover the Sam Chapman Edit, a limited edition collection curated by the style icon herself. This exclusive set features the award-winning Cool Girl Texture Mist for effortless volume and texture, paired with the multitasking Happy Endings Nourishing Balm to condition and style in one simple step. Plus, you'll receive Lazy Girl Dry Shampoo free for on-the-go freshness. Perfect for achieving that signature 'done but undone' look, this edit brings professional results to your everyday routine. Ideal for gifting or treating yourself to luxury haircare from Hair by Sam McKnight.

Elevate your style with the Cool Girl Volumising Kit, designed to deliver full-bodied supermodel hair instantly. This set includes the award-winning SuperLift Volumising Spray for lasting root lift and the iconic Cool Girl Texture Mist for Sam's signature 'done, undone' tousled look. Together, they create volume and texture that make hair appear thicker and fuller. Featured in The Sunday Times and endorsed by Sam McKnight himself, this kit is your secret to achieving effortless volume and texture. Perfect for those seeking that professional, runway-ready finish with minimal effort.

Transform your styling routine with the Full House collection, featuring all four of Sam McKnight's iconic sprays. This set includes the award-winning Cool Girl texturising spray for volume, the fine-fragranced Lazy Girl for freshness, the multitasking Modern Hairspray for hold, and the incredible Easy Up-Do for effortless styles. As Sam says, these products inject modern effortlessness back into hair care, allowing you to achieve a range of looks with professional ease. Perfect for those who value versatility and quality, this collection is a must-have for any hair enthusiast seeking salon-level results at home.

Revitalize overworked hair with the Rich Cleanse Shampoo and Nourish Conditioner set. Specifically designed for thirsty, damaged, and brittle strands, this colour-protecting duo features Quinoa Pro and Plant Keratin to strengthen and nourish. The Kind to Biome® certified cleanser delivers 17 amino acids to support scalp health, while the conditioner uses Sugar Beet and nutrient-rich seed oils to tame frizz, smooth, and boost shine. Ideal for colour-treated hair, this system deeply moisturizes without weighing hair down, leaving it soft, manageable, and radiantly healthy from root to tip.

Achieve instant luminous shine and lasting smoothness with the Shine Kit from Hair by Sam McKnight. Featuring Woman & Home's Best Hair Oil 2024 and Stylist's Best Hairspray 2023, this duo delivers weightless hydration and photo-flash shine. The ultra-light complex of Argan, Sunflower, and Camellia seed oils leaves hair luxuriously soft and smooth, while providing heat protection up to 230°C. With 97% of users reporting healthier-looking hair and 84% noting the shiniest results ever, it's a game-changer for fine hair. As praised by India Knight, it's the best weightless oil for effortless brilliance.

Experience the ultimate lightweight haircare with our Light Cleanse Shampoo and Nourish Conditioner duo. Specially formulated for fine, thin hair and sensitive scalps, this Kind to Biome® certified system gently cleanses while supporting your scalp's microbiome health. Enriched with hydrating Aquaxyl™ and antioxidant botanical extracts, it promotes long-term scalp vitality. The conditioner, whether rinsed or left in, delivers amino acid-rich nourishment for frizz-free, soft, and manageable hair without any weight. Achieve healthy, shiny locks with this microbiome-friendly haircare essential from Hair by Sam McKnight.

Winner of Stylist's Best Volumising Mousse 2024 ALL OVER SOFT VOLUME • HEAT PROTECTING • BOOST SHINE Create all-over soft volume and weightless body with our heat-protecting volumising foam. Go big and go foam. - Formulated with thickening active Voluminis™ to give up to 30% more volume - Air-dry or blow-dry with conditioning Pro-Vitamin B5 and medium hold, or frizz-free, fuller, shinier hair P.S. Read Sam's guide for Va-Va-Volume Dos here.

Stay prepared for any hair emergency with the Rescue Me Edit, your perfect on-the-go solution. This compact set includes travel sizes of Lazy Girl dry shampoo and Cool Girl texture spray, along with biodegradable hair cleanse cloths for instant freshness. Whether you're traveling or need a quick touch-up during the day, this edit ensures your hair looks effortlessly styled wherever you are. Lightweight and convenient, it's designed to fit easily in your bag, providing professional results without the bulk. Embrace wanderlust with confidence, knowing your hair is always camera-ready.

Unleash your hair's potential with the Super Stylers Mini Trio, featuring Cool Girl Texture Mist, Superlift Volumising Spray, and Happy Endings Nourishing Balm. Housed in an exclusive gift box, this set is perfect for those who crave instant style changes and show-stopping looks. From adding volume and texture to smoothing and finishing, each product offers unique benefits for versatile styling. Awarded by Cosmopolitan, Red Magazine, and Marie Claire, this trio delivers professional results for every occasion. Whether treating yourself or gifting a loved one, it's the ultimate indulgence for hair that shines.

Fortify your hair against the elements with the Strengthen and Repair Kit, your perfect winter-proofing ritual. This dynamic duo works together to deliver stronger, smoother, and lustrous hair from root to tip. While the repairing mask penetrates the cuticle to strengthen from within, the Happy Endings balm nourishes and styles from the outside. Ideal for damaged or over-processed hair, this kit ensures your locks remain healthy and beautiful despite harsh weather conditions. Achieve luxurious results with this foundational haircare system designed for long-term vitality and shine.

Winner of Wardrobe Icons Best Conditioner 2023 Double up with our shine-enhancing rinse-out or leave-in conditioner. Enriched with amino acid-packed botanical extracts for softness and manageability. Lightweight for even finer hair types. Nourishing ingredients to detangle, smooth and defrizz. Contains actives for the ultimate de-frizzing barrier on hair. Combine with Light Cleanse Shampoo here and save £10

Hydrate without weight with our new volumising conditioner. Formulated with superhero volumising and thickening active Voluminis™ and enriched with Fermented Rice Water to deliver nourishing anti-oxidants, strengthening proteins and restorative amino acids, leaving your hair irresistibly healthy and full of body. Combine with Cool Girl Volume Shampoo here and save £10 *Voluminis™ gives up to 30% more volume and thickness