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Spectral.F7 Booster With Astressin-B, 60 ml

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 Macy's price tracker

14-day low
$40.00
Sep 13 · Macy's
Best price
$40.00
−0% vs high
14-day high
$40.00
All stores
$40$40$40
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $40.00 at Macy's. Highest: $40.00. Current best is 0% below the 14-day high.

What buyers say

AI summary · 220 reviews

A highly rated hair booster that many users credit with reducing hair loss and improving hair thickness, though some buyers report no visible results after months of use. The product is praised for its lightweight feel and lack of residue.

Liked

  • Lightweight, non-greasy formula
  • Reduces hair shedding
  • Enhances other products

Complaints

  • No noticeable results after extended use
  • Greasy or heavy feeling on hair

Generated by AI from real customer reviews at Macy's — may miss nuance. Summarized Sep 2026.

About this product

DS Laboratories Spectral.F7 Booster is a water-based leave-in serum designed to address stress-induced hair loss, specifically telogen effluvium. Formulated for both men and women, it uses Astressin-B, a potent peptide delivered via an Advanced Nanosome Delivery System for enhanced penetration. The non-oily, non-sticky formula supports all hair types, including curly hair, and is color-safe for keratin-treated hair. It is clinically proven and intended for daily use, applied directly to the scalp with six sprays twice daily. When used alongside other Spectral products like Revita Shampoo and Conditioner, it enhances overall hair health and growth support.

  • Water-based formula
  • Contains Astressin-B peptide
  • Advanced Nanosome Delivery System
  • For stress-induced hair loss
  • Color-safe for keratin
  • Daily use, leave-in application

Based on 220 reviews at Macy's

Read all 220 reviews on Macy's

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Spectral.F7 Booster With Astressin-B, 60 ml — Price History