New: The Fall Reset hair care routine

New for fall: The Fall Reset, our 5-step hair care routine

Licensed stylist? Join the Beauty Pro for wholesale pricing

Get 15% off your first order — subscribe to our newsletter

Your cart

Your cart is empty

Continue shopping
Weekend reset for over-processed hair blog cover — Kostume Rio de Janeiro
NEW FOR FALL

The Fall Reset: 5 Steps to Soft, Shiny Fall Hair

Bring dry, summer-stressed hair back with our Brazilian fall hair care routine: shampoo, conditioner, hair mask, leave-in spray and NU-3 hair oil.

Shop The Fall Reset

New here? Subscribe to our newsletter and get 15% off your first order.

Oil Treatments — Kostume Rio de Janeiro USA

Oil Treatments

Discover oil treatments made to help nourish, smooth, and add shine to the hair. Great for dry ends, frizz control, and healthier-looking hair.

2 Results

Clear filters
K. Fiber Essential Repair Serum bottle for split ends and heat protection — Kostume Rio de Janeiro
K. Fiber Essential Repair Serum shown with its carton — Kostume Rio de Janeiro Brazilian hair care

K. Fiber Essential Repair Serum

$25.90

1 size
  • 1.69 fl oz
In Volve Semi di Lino NU-3 Crystal Repair Fluid serum for frizzy hair — Kostume Rio de Janeiro
Sale

In Volve Semi di Lino NU-3 Crystal Repair Fluid

$32.49 $28.60 12% off

1 size
  • 1.03 fl oz

Fast Shipping

3-5 day U.S. shipping from our California warehouse.

Easy Returns

Simple, no-hassle returns on unopened products.

Secure Pay

Protected payments with Shop Pay, PayPal, and all major cards.

PRO Members

Licensed cosmetologists unlock wholesale rates and early launches.