The Rootist™ BioBrew™ Fermented Strengthening Serum 55mL

A healthy hair and scalp routine in one supercharged serum. This light, leave-in serum is formulated to help control frizz, boost shine, protect from heat, and help strengthen damaged hair. For scalp, this serum is microbiome-friendly, derm-tested and designed to restore balance and hydration.

Why You Need It

Heat styling, chemical treatments, and haircare with harsh ingredients can cause breakage, frizz, dullness, and scalp imbalance. BioBrew Serum is formulated to strengthen weak, damaged hair, and reset the scalp. Designed for anyone who wants healthy-looking, shiny hair, frizz control and heat protection in one.

How It Works

This concentrated bi-phase serum blends the nourishment of an oil with the lightweight treatment power of a serum for stronger, healthier hair from root to tip. With every application, it smooths the cuticle, locks out frizz, and helps reinforce hair against breakage and heat—no greasiness, no stiffness, just soft, resilient strands.

The Science

Designed for the root, scalp and hair connection, BioBrew hair serum is a healthy hair and scalp ritual in one. Powered by patent-pending Rootbiomic Ferment™ designed to nourish, hydrate and support an ideal environment for hair to thrive, from root to tip.

How to Use

• Shake well. Spray onto clean, damp hair from scalp to ends and style as usual. If your scalp is oily, avoid applying to scalp. For dry hair, spray into your hands and work through the lengths for extra shine and frizz control.

Frequently Asked Questions

Can you use BioBrew™ Fermented Strengthening Serum on a dry scalp, or does it have to be used only after you’ve washed your hair?
BioBrew™ Fermented Strengthening Serum is designed for use on a wet scalp and wet hair. Spraying BioBrew on a dry scalp could disrupt your style. If you are ever wanting to apply to a dry scalp or hair, we suggest spraying it into your hands and then working it in.

Is BioBrew™ Fermented Strengthening Serum a leave-in conditioner?
BioBrew™ Fermented Strengthening Serum is similar to a leave-in conditioner because it contains lightweight oils that provide hydration. However, if you want to use a traditional leave-in conditioner that provides even more hydration, we suggest applying BioBrew first since it is thin before layering on a second leave-in conditioner.

Can I use BioBrew™ Fermented Strengthening Serum on dry hair?
BioBrew™ Fermented Strengthening Serum is designed for use on wet hair. However, a pro-tip is to spray some directly into your hands after styling and work through the lengths of your hair for extra shine and frizz control.