Koshikijima is a remote island off Japan’s southern coast, known for its exceptionally pure, mineral-dense ocean water. Sourced from deep below the surface, this water is naturally rich in magnesium, calcium, and other trace elements that help soothe, rebalance, and fortify the scalp.

Yes, it’s gentle enough for daily use but typically recommended 1 - 2 times weekly depending on your scalp condition.

No, our formula is specifically designed to cleanse deeply without drying or irritation, leaving your scalp balanced and hydrated.

Yes. You need to wash off all the build up and excess oil that you lifted out of your pores and are now sitting in the cleansing treatment gel. This gel prepares your scalp for the shampoo to wash it all out, thereby, enhancing your shampoo’s cleansing effectiveness.

Traditional shampoos can only remove surface-level impurities. This pre-shampoo step dissolves buildup lodged deep in your scalp’s pores—such as excess sebum, pollution, and styling residues—creating the optimal environment for healthy hair growth and enhancing the performance of everything you use after.

Yes. In fact, it’s especially effective for those who rely on dry shampoo or styling products. These formulas often leave behind residue that clogs follicles and dulls hair over time. Our treatment clears that buildup without disrupting the scalp’s natural moisture barrier.

Absolutely. The detoxifying sea salt and marine actives help eliminate odor-causing buildup while soothing inflammation and calming irritated skin, leaving your scalp feeling clean, fresh, and comfortable.

Yes. By removing the residue that can block shampoo from properly activating, this treatment allows your shampoo to lather more effectively and your conditioner and treatments to absorb more deeply—maximizing their results.

Yes. It’s gentle, non-stripping, and free from sulfates and harsh surfactants, making it safe for color-treated, keratin-treated, or otherwise sensitized hair.

Yes. It’s designed to be the first step in your routine—clearing the way for scalp serums, essences, or hair growth treatments to perform better. It pairs especially well with the Root Beauté Scalp Massage Essence.

Not at all. The gel has a lightweight, refreshing texture that rinses clean with no heaviness or stickiness—just a refreshed, breathable scalp.

If used 1 - 2 times a week, one 90ml bottle typically lasts about 6 - 10 weeks. Usage may vary depending on scalp size, hair thickness, and frequency of use.

No. After massaging the gel into your scalp, proceed directly with shampooing—your shampoo will wash everything away, including the loosened buildup.

While the formula is free from known harmful additives and is dermatologically tested, we recommend consulting your physician if you’re pregnant or breastfeeding, as with any new skincare or scalp product.

When buildup accumulates on the scalp, it can clog follicles, disrupt the hair growth cycle, and limit the effectiveness of your haircare products. Over time, this leads to dullness, oil imbalance, thinning, and even increased shedding. A clean, balanced scalp is essential for healthy, beautiful hair.

Start with once a week to gauge your skin’s response. The formula is designed to be gentle and non-irritating, but every scalp is different. Once tolerated, you can gradually increase to 2–3 times per week or as needed.

While not a medicated dandruff treatment, it can help reduce visible flakes caused by buildup, irritation, or oil imbalance. The hydrating, microbiome-friendly formula soothes the scalp and helps prevent conditions that contribute to flakiness.