Rootist | Complete Hair Wellness, Rooted in Fermentation

3X Stronger Hair in Just One Use*

One spray on damp hair. Less breakage, less frizz, more shine — and heat protection up to 450°F.

*Based on dry combing on bleached hair tresses.

Repair damage, minimize breakage, protect from heat and amp up the shine with award-winning BioBrew.

One lightweight serum for stronger, smoother, shinier, protected hair.

Plant-based ingredients fermented + bioactivated for proven results.

*Due to breakage from dry comb test after use of the Densify Shampoo, Conditioner, and Serum for 120 days

For Dry + Damaged Hair

For Oily Scalp + Hair

For Fine + Thinning Hair

The next viral haircare brand is here. Fermented beauty your scalp and strands will love.
Best of Beauty Clean Hair Care Winner: AHA+ACV Pre-Shampoo Scalp Clarifying Rinse
This dry shampoo product is genius
This is the best dry shampoo I've ever used.
Award Winner: Best Scalp Treatment. [BioBrew Serum] is a one-stop shop for shine, strength and smoothing.
[Fermentation] feels like a new concept to us, but to apply this biology to OTC products is absolutely brilliant!

May 28, 2026
I love the smell of this shampoo, my hair has never felt so clean and my natural curls are thriving!
Andrea J.
Densify Concentrated Shampoo
Mar 26, 2026
This is by far the best serum I have ever used. I no longer need to straighten my hair with those high heat straighteners. I simply spray a few pumps on and dry my hair as normal with a tangle free brush and out the door I go, no frizz and all that extra shine! Love this stuff.
Rhonda B.
BioBrew™ Fermented Strengthening Serum
Mar 26, 2026
This has helped my thinning hair that started during menopause. My hair feels fuller and softer. LOVE THIS SHAMPOO! I keep this stocked. I only use two pumps and this lasts a long time.
Ann S.
Densify Concentrated Shampoo
Mar 25, 2026
This product paired with Densifying Shampoo has my thin hair looking much more full! I absolutlely love it!
Michael C.
Densifying Serum For Thinning Hair
Mar 25, 2026
My fave product in the whole Rootist line... my scalp literally craves this! I feel like it's completely changed my scalp and hair in the year I've been using it.
KM
AHA+ACV Pre-Shampoo Scalp Clarifying Rinse
Jan 28, 2026
I am absolutely in LOVE with the Densify Duo! My hair is so silky smooth post wash and I love the smell. I can't tolerate heavy, strong scents and this is a perfect balance between fragrant and not overpowering. I love how this formations is supporting my hair and scalp! It's a must try!
Lauren C.
Densify Shampoo & Conditioner Bundle