Products are split into three levels based on ingredient labels

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

ISDIN

Melatonik Serum

Last verified: March 9, 2026

  • Caprylic/Capric Triglyceride
  • Dicaprylyl Carbonate
  • Ascorbyl Tetraisopalmitate
  • Squalane
  • Alcohol Denat
  • 1,2-Hexanediol
  • Bakuchiol
  • Caprylyl Glycol
  • Fragrance
  • Melatonin
  • PEG-8
  • Water
  • Tocopherol
  • Ascorbyl Palmitate
  • Ascorbic Acid
  • Citric Acid

Why This Product is Rated STOP

Melatonik Serum by ISDIN has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.

We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.

Learn more about how Million Marker scores products →

Frequently Asked Questions

Melatonik Serum by ISDIN - Non-toxic Facial Care product rated STOP by Million Marker, free from BPA, phthalates, and parabens

Where to buy

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