Formulated to hydrate, nourish, and protect.

All-in-one hydration for healthy scalp performance.

REINSHINE Ultimate Hair Serum - REIN - Hair Serum

Performance-Driven Trust

Science-Backed Scalp Care That Performs

Each REIN product undergoes third-party testing and dermatologist review to ensure clean, effective hydration for your scalp. With fermented rice water as our hero ingredient, our formulas strengthen, soothe, and restore scalp balance. The foundation of every healthy hair routine.

Free shipping

Enjoy complimentary shipping on all orders within the US, no minimum purchase required

THE BIO-FERMENTED COMPOUND THAT GIVES REIN ITS MAGIC

Ultimate Hair Serum

your new daily ritual for scalp and hair resilience. Formulated with our signature bio-fermented complex, this serum helps protect against pollution, UV rays, and everyday stressors that can leave your scalp dry, irritated, or flaky. Bioactive Rice Water, Fermented Botanicals, and Peptides work together to hydrate deeply, soothe irritation, balance oil production, and strengthen hair right at the root. The result? A healthy scalp foundation that supports shiny, resilient hair from day one.

Bioactive Rice Water:

Hydrates and strengthens the scalp’s natural barrier.

Fermented Ginger Extract:

Calms irritation and boosts circulation.

Fermented Saw Palmetto:

Balances scalp oil and DHT for fuller hair.

Fermented Ginseng Extract:

Neutralizes free radicals and supports growth.

Fermented Green Tea Extract:

Defends against pollution and oxidative stress.

Fermented Peptides:

Repair and fortify the scalp for long-term resilience.

Strengthen, Nourish, Reinforce

How To Use REIN

Apply to damp or dry hair

Distribute evenly

Style as usual

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