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700 Keratin + Kale Serum

700 Keratin + Kale Serum

Prices as of September 22, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Nordstrom price tracker

14-day low
$45.50
Sep 9 · Nordstrom
Best price
$45.50
−0% vs high
14-day high
$45.50
All stores
$46$46$46
Sep 9Sep 22
  • Nordstrom
Lowest in 14 days: $45.50 at Nordstrom. Highest: $45.50. Current best is 0% below the 14-day high.

About this product

Biotop Professional 700 Keratin + Kale Hair Serum is a lightweight, non-greasy leave-in styling serum designed for coarse, chemically treated, damaged, dry, or frizzy hair. It strengthens and repairs hair cuticles using hydrolyzed keratin and kale extract, reducing frizz and split ends while providing moisture, heat protection, and UV defense. Suitable for use on wet or dry hair, it can be applied before blow drying or as a finishing product to smooth and style. The formula is sulfate-free, paraben-free, cruelty-free, and color-safe.

  • Hydrolyzed keratin for strength
  • Kale extract for nourishment
  • Sulfate-free formula
  • Cruelty-free and paraben-free
  • Works on wet or dry hair
  • Heat and UV protection

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