The Rootist
BioBrew™ Fermented Leave-in Hair Serum for Damage Repair
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$48.00get it for $45.60 (5% off) with Auto-Replenishor 4 payments of $12.00 with or
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About the Product
Item 2750370
What it is: A lightweight serum spray for both hair and scalp. For hair, this leave-in serum is clinically shown to control frizz, boost shine, protect from heat, and repair damage for up to 3x stronger hair in just one use. For scalp, this serum is microbiome-friendly, derm-tested and restores balance and hydration.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Damage, Split Ends, and Breakage
- Frizz
- Heat Protection
Key Benefits:
- Minimizes hair fallout due to breakage
- Heat protection up to 450ºF / 232ºC
- Controls frizz for up to 72 hours
Highlighted Ingredients:
- Proprietary Rootbiomic Ferment™: Promotes anchored roots, balanced scalp, and visibly stronger, healthier hair.
- Bio-Peptides (Hydrolyzed Yeast Protein): Helps to strengthen and fortify strands from root to tip by targeting collagen and keratin.
- Vitamin C (Tetrahexyldecyl Ascorbate/THD-A): Supports the hair cuticle to improve vibrancy and shine.
Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also cruelty-free and comes in recyclable packaging.
What Else You Need to Know: The only strengthening serum with Rootbiomic Ferment™ – a multivitamin superfood that’s like kombucha for hair – designed for anchored roots, a balanced scalp and stronger, healthier hair. It transforms the look and feel of hair from root to tip; repairs damage, reduces fallout from breakage, instantly detangles, boosts softness and shine, smooths frizz and protects hair from heat. Plus, it's clinically shown to hydrate and balance the scalp so healthy hair can take root.
Fragrance Description: The Rootist’s signature fragrance is a collaboration with one of the world's top clean fragrance houses. Inspired by warm brand aesthetic, this complex, fresh, fizzy floral has a grounding touch of soft woods for balance, depth, and grace. Intoxicating but never overwhelming, transport your senses to a garden stroll at golden hour where dreams take root.
Clinical Results: Based on dry-combing analysis on bleached hair tresses, in just 1 use:
- Three times less hair breakage
- Minimizes hair fallout by 3400 strands on average
Based on consumer evaluation on 39 subjects after one use:
- 100% reported the serum felt lightweight and didn’t weigh hair down
- 94% reported their scalp did not look or feel oily after their hair dried
Based on instrumentation testing on 39 subjects after 4 weeks of use:
- Controls frizz for up to 72 Hours
- 94% had improvement in scalp moisturization
Based on expert clinical-grading evaluation on 39 subjects after 4 weeks of use:
- 94% had visibly improved texture
- 92% had visibly improved shine
Clean & Planet Aware
Our ambitious curation of beauty made without controversial ingredients from brands dedicated to making meaningful environmental commitments, including sustainable ingredients and sourcing, packaging, corporate commitments, and consumer transparency.
-Bio-Peptides (Hydrolyzed Yeast Protein): Rich in collagen, keratin, and proteins to help strengthen from root to tip.
-Vitamin C (Tetrahexyldecyl Ascorbate / THD-A): Supports the hair cuticle to improve vibrancy and shine.
Lactobacillus/(Centella Asiatica/Coffee Seed/Ganoderma Lucidum/Hops/Panax Ginseng Root/Scutellaria Baicalensis Root) Extract/Pea Extract/Rice Seed Extract Ferment Filtrate, C13-15 Alkane, Dioctyldodecyl Dodecanedioate, Ethylhexyl Pelargonate, Water/Aqua/Eau, Pentylene Glycol, Butylene Glycol, 1,2-Hexanediol, Hydrolyzed Yeast Protein, Tetrahexyldecyl Ascorbate, Tocopheryl Acetate, Sphingomonas Ferment Extract, Inulin, Hydroxypropylammonium Gluconate, Alpha-Glucan Oligosaccharide, Saccharide Isomerate, Hydroxypropylgluconamide, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Caesalpinia Spinosa Fruit Pod Extract, Helianthus Annuus (Sunflower) Sprout Extract, Moringa Oleifera Seed Oil, Melia Azadirachta Extract, Coccinia Indica Fruit Extract, Eclipta Prostrata Extract, Sodium Citrate, Heptyl Glucoside, Glycerin, Maltodextrin, Polyglyceryl-10 Laurate, Sodium Phytate, Sodium Benzoate, Potassium Sorbate, Glycolic Acid, Citric Acid, Tartaric Acid, Benzyl Alcohol, Ethylhexylglycerin, Citral, Citronellol, Geraniol, Hydroxycitronellal, Limonene, Linalool, Fragrance/Parfum.
The list of ingredients is subject to change, please consult the packaging of the product purchased.
-Shake the bottle before each application to mix the bi-phase serum
-Spray on damp, towel-dried hair from scalp to ends—about three sprays to the scalp and three to five sprays to hair, based on hair texture and length
-Massage scalp gently, then comb through for even distribution
-Do not rinse
-Style as usual
-Use two to three times per week
Recycling Instructions:
-Rinse and recycle the glass bottle and transfer the reusable sprayer to your prefill.
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We are The Rootist, biotech-born hair care that’s unlocking the future by looking to the past. We harness the ancient science of fermentation in our proprietary Rootbiomic Ferment, a powerfully effective, multivitamin superfood designed for the connection between roots, scalp, and hair and found in every Rootist product. Brewed for benefits, biologically derived, and biologically compatible, our ferment promotes maximum hair wellness and helps strong, healthy-looking hair take root. The Rootist products are clean, vegan, silicone-free, made with sustainably sourced ingredients, and formulated with no added water. We use packaging materials that are more readily recyclable and feature reusable pumps and prefills to help reduce waste.