Products are split into three levels based on ingredient labels

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

MONAT

IR Clinical Hair Thinning Defense Scalp Serum

Last verified: March 24, 2026

  • Aqua/Water/Eau
  • Propanediol
  • Glycerin
  • Butylene Glycol
  • Acetyl Tetrapeptide-3
  • Bakuchiol
  • Trifolium Pratense (Clover) Flower Extract
  • Pisum Sativum (Pea) Extract
  • Picea Mariana Bark Extract
  • Sodium Hyaluronate
  • Biotin
  • Caffeine
  • Dextran
  • Melatonin
  • 1,2-Hexanediol
  • Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
  • Polyglyceryl-4 Laurate
  • Polyglyceryl-6 Caprylate
  • Xanthan Gum
  • Resveratrol
  • Sodium Ascorbyl Phosphate
  • Sodium Benzoate
  • Sodium Gluconate
  • Sodium Polyglutamate
  • Citric Acid
  • Sorbitan Isostearate
  • Tocopherol
  • Ethylhexylglycerin
  • Benzyl Alcohol

Why This Product is Rated SLOW

IR Clinical Hair Thinning Defense Scalp Serum by MONAT has been evaluated by Million Marker and contains some ingredients with possible health concerns. This product is rated SLOW, indicating moderate concern.

We recommend reviewing the ingredient list carefully and considering safer alternatives when possible. SLOW-rated products may still be acceptable for occasional use.

Learn more about how Million Marker scores products →

Frequently Asked Questions

IR Clinical Hair Thinning Defense Scalp Serum by MONAT - Non-toxic Hair Styling + Treatment product rated SLOW by Million Marker, free from BPA, phthalates, and parabens

Where to buy

MONAT Google Search