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Biolage Smooth Proof Hair Serum 3.4 oz.
Prices as of September 26, 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
$29.00$29.00
Sep 13 · JCPenneySep 13 on JCPenney
Best price
$29.00$29.00
−0% vs high0% below 14-day high
14-day high
$29.00$29.00
All storesAcross all tracked stores
$29$29$29
Sep 13Sep 26
- JCPenney
About this product
Biolage Smooth Proof Hair Serum is a lightweight, heat-protective formula designed to smooth frizz and control flyaways while enhancing shine. Suitable for color-treated hair, it helps protect against humidity and styling tools. The serum applies easily to damp hair and can be used before blow-drying for a sleek finish.
- 3.4 oz fluid volume
- Heat and humidity protection
- Paraben-free formula
- Suitable for color-treated hair
- Lightweight serum texture
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