Salon-size shampoo and conditioner

Your Foundation formulas in 900 ml bottles, for the routine you return to often.

The Salon Size Foundation Duo The Salon Size Foundation Duo
5.0 stars, 16 reviews The Salon Size Foundation Duo

Shampoo & conditioner for all hair types

Foundation Shampoo - Salon Size Foundation Shampoo - Salon Size
4.9 stars, 2.0k reviews Foundation Shampoo - Salon Size

Gentle balancing shampoo

Foundation Conditioner - Salon Size Foundation Conditioner - Salon Size
4.9 stars, 2.0k reviews Foundation Conditioner - Salon Size

Nourishing hydrating conditioner

Try Before You Buy

Try up to four full-size items for 14 days. Only pay if you keep.

Try Now

Choose a larger bottle or a refill

Shop 900 ml Foundation Shampoo and 900 ml Foundation Conditioner individually, or together in The Salon Size Foundation Duo.

These are larger bottles for your routine. If you already have the regular Foundation bottles and want to refill them, explore refill pouches. You can compare all formats in the Foundation collection.

Recognized by Allure

Foundation Shampoo & Conditioner received a 2023 Allure Best of Beauty award in Clean Hair-Care. The same Foundation formulas are available here in 900 mL bottles for your basin or bathroom.

Buying for your salon?

Explore the RŌZ professional salon program for wholesale account information, backbar options and a full-size trial kit for qualified U.S. salons. The prices shown here are retail prices.

Planning your shelf? Our salon retail buying guide covers staff trials, opening-order questions and reordering.

Milk Hair Serum

Our best-selling #1 leave-in conditioning hair serum for daily hydration and smoothing.

SHOP NOW

Styling Essentials

Buildable formulas designed to enhance your natural texture, add softness.

SHOP ALL

Subscribe & Save 20%

Subscribe & save 20% with a schedule that is completely flexible— skip or cancel anytime.

SHOP ALL
OUR COMMITMENT
Pro-grade performance.
OUR STANDARD
Clean & clinically-backed.
shop now
Free shipping on $50+
learn more
Our Refill Program.