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Updated: 06 Apr 2026

10 Best Leave In Conditioner Biotin

#1 Best Pick
Ogx Thick & Full + Volumising Biotin & Collagen Conditioner For Fine Hair 385mL||Helps thicken & texturize any hair type |Creates appearance of thicker, fuller, healthier looking hair

Ogx Thick & Full + Volumising Biotin & Collagen Conditioner For Fine Hair 385mL||Helps thicken & texturize any hair type |Creates appearance of thicker, fuller, healthier looking hair

Brand: OGX
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  • Thick & Full
  • Biotin & Collagen Conditoner
  • Thicker, Fuller, Healthier Looking Hair
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#2 Best Value
Mielle Organics Rosemary Mint Strengthening Conditioner, Biotin Infused, 355 ml

Mielle Organics Rosemary Mint Strengthening Conditioner, Biotin Infused, 355 ml

Brand: Mielle Organics
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  • STRENGTHENING FORMULA: Rosemary mint blend conditioner infused with biotin to support and nourish hair for enhanced strength and vitality
  • NATURAL INGREDIENTS: Features a refreshing combination of rosemary and mint for an invigorating hair care experience
  • VERSATILE USE: Suitable for all hair types, this conditioning treatment helps maintain moisture balance and improve manageability
  • GENEROUS SIZE: 355 ml bottle with convenient pump dispenser for easy application and extended use
  • HAIR BENEFITS: Supports longer, healthier hair growth while providing deep conditioning and nourishment to both hair and scalp
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#3 Budget Pick
MONDAY Haircare MOISTURE Leave in Conditioner with Hyaluronic Acid, Jojoba & Almond Oil, Shea Butter& Wheat Protein for Dry & Dull Hair 150mL

MONDAY Haircare MOISTURE Leave in Conditioner with Hyaluronic Acid, Jojoba & Almond Oil, Shea Butter& Wheat Protein for Dry & Dull Hair 150mL

Brand: MONDAY Haircare
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  • MOISTURE LEAVE-IN CONDITIONER: MONDAY Haircare’s Leave-In Conditioner is a daily multi-tasker that promotes longer and healthier hair, as well as protecting from heat and breakage. Apply after washing and style as usual for shiny, frizz-free hair.
  • MODERN FORMULAS: Our premium formulas are dermatologically tested, PH-balanced and free from sulfates and parabens. We instead use hydrating natural ingredients such as coconut oil, shea butter, hyaluronic acid and keratin to nourish and restore.
  • AWARD-WINNING: Our range of haircare has 16 major beauty awards and counting, including an Allure 2023 Best of Beauty Award, InStyle 2022 Best Beauty Buy Award, Glamour 2021 Beauty Award and a Cosmo 2021 Holy Grail Beauty Award.
  • CERTIFIED CRUELTY-FREE: All of MONDAY’s products are approved as cruelty-free under the Leaping Bunny programme by Cruelty Free International. We’re also proud to be recognised by PETA as a brand that does not test on animals.
  • 100% RECYCLABLE BOTTLES: Not only do our little pink bottles look great in your bathroom, they’re made from 100% recyclable plastic to help minimise carbon footprint and reduce landfill. A win for your hair and for the environment.
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#4 Top Choice
Toni & Guy Leave in Conditioner 100 ml

Toni & Guy Leave in Conditioner 100 ml

Brand: Toni & Guy
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  • For soft, smooth and manageable hair
  • Specially formulated to control frizz and protect against humidity
  • This hair conditioner deeply penetrates the fibres repairing the hair structure and strengthening it
  • Enjoy all-day manageability and a smooth finish
  • Help create your look from the hair down
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#5 Popular Choice
Sun Bum 3-in-1 Leave-In Conditioner Spray - Vegan & Cruelty Free - Detangles, Conditions & Protects Hair - 118ml

Sun Bum 3-in-1 Leave-In Conditioner Spray - Vegan & Cruelty Free - Detangles, Conditions & Protects Hair - 118ml

Brand: Sun Bum
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  • REVITALIZING 3-IN-1. By far the most "borrowed" item from our beach house, this Leave In helps detangle, condition and protect even the most damaged locks! Enhance and restore hair while controlling frizz and preventing split ends.
  • EVERYDAY HAIR TREATMENT. This special vegan blend helps restore moisture, repair damage, reduce tangles and slow color fading with sunflower seed oil and quinoa protein. It’s perfect for all hair types and will leave your hair smooth and shiny!
  • HOW TO USE. Spray in wet or dry hair, comb through or tousle with fingers for hydrated, soft, and tangle free locks. No need to rinse! Sonny’s Tip: For tight and tricky knots, spray liberally and use a wide tooth comb.
  • PROTECT YOUR HAIR. The key to maintaining healthy locks is healthy, natural ingredients. This revitalizing hair product is enriched with Coconut Oil and Banana and Pulp, and is Vegan, Gluten, Cruelty and Paraben Free. It’s gonna be your new fave!
  • TRUST THE BUM. What does that mean? It means trust us, the ones who live on the beach and need products that work on the most intense days in the sun. The simple truth is, when you make products to protect the ones you love, you make ‘em better.
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#6 Top Pick
MooGoo Protein Shot Leave-In Conditioner 50ml

MooGoo Protein Shot Leave-In Conditioner 50ml

Brand: MooGoo
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  • Silicone Free Leave In Hair Conditioner
  • Natural Oils and Conditioners for Hair Health
  • MooGoo tests on ourselves, not animals. Made in Australia.
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#7 Top Pick
HASK Biotin Boost Thickening Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 355 mL Bottle

HASK Biotin Boost Thickening Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 355 mL Bottle

Brand: HASK
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  • Kit includes
  • Conditioner to strengthen your hair
  • Thicken & Fortify
  • Transform fine, flat strands into fabulously fuller hair with the Biotin Boost Thickening products
  • Invigorating Herbaceous Scent
  • Enjoy the invigorating, herbaceous fragrance of HASK Biotin Boost Thickening collection
  • Go Big or Go Home with Tri Level Thickening
  • Volumize, strengthen and fortify your locks
  • Free Of
  • Sulfates, parabens, phthalates, gluten and drying alcohol. Not tested on animals
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#8 Top Pick
Umberto Giannini Rosemary Oil and Biotin Leave in Conditioner 250 ml

Umberto Giannini Rosemary Oil and Biotin Leave in Conditioner 250 ml

Brand: Umberto Giannini
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  • Strengthens, repairs and defines dry, damaged hair
  • Biotin, castor and rosemary oils leave hair feeling silky soft and looking healthy and glossy
  • Light weight leave-in
  • Powered by biotin, rosemary oil and vitamin
  • Medium hold for all types of waves, curls and coils
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#9 Top Pick
Cake Beauty Leave in Conditioner, The Mane Manager – Moisturizing & Softening – With Coconut Oil, Biotin, Soy & Rice Proteins – For Dry/Normal Hair Types – 4 Fl Oz / 120 mL

Cake Beauty Leave in Conditioner, The Mane Manager – Moisturizing & Softening – With Coconut Oil, Biotin, Soy & Rice Proteins – For Dry/Normal Hair Types – 4 Fl Oz / 120 mL

Brand: Cake
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  • MOISTURIZING LEAVE IN CONDITIONER: This triple-action formula is a post-shower leave-in, daily moisturizer and style refresher for softer, better looking hair. Driven by natural ingredients, this special blend works like a dream on damp or dry hair to detangle, hydrate and revive your locks with seriously-smooth, feather-light body. Revamp your get-ready routine and take your hair from drab to so-fab, without the harsh chemicals. We pour in Biotin and Soy & Rice Proteins to promote length & strength.
  • USING THE GOODNESS: Spray on damp or dry hair. Comb through, style. SWEET TIP: Spritz hair in sections before using heat tools for protection.
  • YUMMY FRAGRANCES: Indulge with our Lemon Cookie scented ‘Mane Manage’r’ 3 in 1 Leave in Conditioner – a refreshing essence of citrus zest and juicy Meyer lemons followed by baked sugar cookie dough and creamy vanilla milk.
  • STRAND REVIVING AND SOFTENING: For moisturized locks, start in the shower with the Cake ‘Care Taker’ Shampoo and Conditioner. Use this Cake ‘Mane Manage’r’ post shower or on dry hair for silky smooth hair that detangles with ease.
  • NATURALLY LUXE: We specialize in crossing high-performing, naturally driven formulations with playful indulgence, designing award-winning, vegan, cruelty-free products that our customers love & trust. Our hair care products have the high-performing natural ingredients you love, & none of the stuff that you don’t. No parabens, phthalates, sulfates, or talc. Ever.
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#10 Top Pick
HASK Biotin Boost Thickening 5-in-1 Leave-In Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 175 mL Bottle

HASK Biotin Boost Thickening 5-in-1 Leave-In Conditioner for all hair types, colour safe, gluten-free, sulfate-free, paraben-free - 1 175 mL Bottle

Brand: HASK
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  • Includes
  • 6oz Bottle of 5-in-1 Leave-In Conditioning Sprays to thicken and add body, detangle, add shine, repair/control frizz, provide thermal protection and moisturizes to prevent breakage
  • Fortify
  • Transform fine, flat strands into fabulously fuller hair with the Biotin Boost
  • Infused
  • With an invigorating herbaceous scent
  • Go big or go home with tri level thickening
  • Volumize, strengthen and fortify your locks
  • Free Of
  • Sulfates, parabens, phthalates, gluten and drying alcohol. Not tested on animals
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