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Biolage Smooth Proof Conditioner 8 oz.

Biolage Smooth Proof Conditioner 8 oz.

Prices as of September 25, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at JCPenney price tracker

14-day low
$27.00
Sep 12 · JCPenney
Best price
$27.00
−0% vs high
14-day high
$27.00
All stores
$27$27$27
Sep 12Sep 25
  • JCPenney
Lowest in 14 days: $27.00 at JCPenney. Highest: $27.00. Current best is 0% below the 14-day high.

About this product

Biolage Smooth Proof Conditioner is a liquid hair conditioner formulated to reduce frizz and provide humidity resistance, inspired by the water-resistant properties of the camellia flower. It delivers smoothness and manageability for up to 72 hours when used with the matching shampoo and serum. Designed for use on wet hair after shampooing, it should be left in for 1-3 minutes before rinsing. The product is not specific to hair color and is suitable for all hair types prone to frizz. It is manufactured outside the U.S. and comes in an 8 oz. bottle.

  • 8 oz liquid formulation
  • Humidity control up to 97%
  • Smooths frizzy hair
  • Use with shampoo and serum
  • Not hair color specific
  • Rinse after 1-3 minutes

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Biolage Smooth Proof Conditioner 8 oz. — Price Tracker & History