Products are split into three levels based on ingredient labels

GO
Best choice
SLOW
Contains ingredients with possible health concerns
STOP
Contains harmful ingredients
GO

Hairprint

Regrowth Serum Day Formula

Last verified: December 10, 2025

  • Tussilago Farfara Flower Extract
  • Achillea Millefolium Extract
  • Cinchona Succirubra Bark Extract
  • Glycine Soybean Extract
  • Triticum Vulgare Wheat Extract
  • Scutelarria Baicalensis Extract
  • Leuconostoc Radish/cocos Nucifera Ferment
  • Biotin
  • Vitamin B-7
  • Niacinamide
  • Vitamin B-3

Why This Product is Rated GO

Regrowth Serum Day Formula by Hairprint has been evaluated by Million Marker and meets our strict safety standards. This product is rated GO, meaning it is free from harmful chemicals like BPA, phthalates, parabens, and other endocrine-disrupting compounds.

Products with a GO rating represent the safest choices in their category and are recommended for everyday use.

Learn more about how Million Marker scores products →

Frequently Asked Questions

Regrowth Serum Day Formula by Hairprint - Non-toxic Hair Styling + Treatment product rated GO by Million Marker, free from BPA, phthalates, and parabens