Izumi Tonic
Rooted in Japanese hair-ritual wisdom, the Izumi Tonic collection combines rice water-inspired strengthening formulas with lightweight, modern performance. Designed to reinforce fragile hair, improve resilience, and amplify softness and shine, this complete system—from shampoo to serum and energizing water—delivers strength, balance, and luminous finish for everyday beauty.
Izumi Tonic Strengthening Shampoo System
Ultra-luxury strengthening shampoo system for thickened hair
Damage & Repairor 4 payments of $17.50 with Afterpay4 × $17.50 with Afterpay
Izumi Tonic Strengthening Conditioner System
Strengthening conditioner inspired by Japanese yu-su-ru ritual
Damage & Repairor 4 payments of $20.50 with Afterpay4 × $20.50 with Afterpay
Izumi Tonic Strengthening Treatment System
Strengthening treatment inspired by Japanese yu-su-ru ritual
Damage & Repairor 4 payments of $24.25 with Afterpay4 × $24.25 with Afterpay
Izumi Tonic Strengthening Gloss
Weightless conditioning gloss treatment inspired by rice water
Scalp Careor 4 payments of $23.75 with Afterpay4 × $23.75 with Afterpay
Not sure where to start?
Ask a BRUSH stylist.
A free 10-minute consult — in the salon or over the phone — and we'll build your at-home routine with you.
Izumi Tonic Strengthening Energizing Water
Energizing leave-in water for strengthened, thickened hair
Scalp Careor 4 payments of $21.00 with Afterpay4 × $21.00 with Afterpay
Lightweight thickening serum for denser-looking hair
Scalp Careor 4 payments of $21.00 with Afterpay4 × $21.00 with Afterpay