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Start with one focused treatment step.

Signal Serum is a lightweight Korean serum for skin that feels dry, looks dull or appears uneven. It combines 20% salmon-derived PDRN, 2% niacinamide, targeted peptides and hydration support in one intentional daily step.

Signal Serum

200,000 ppm PDRN + 2% niacinamide

Signal Serum

30 ml / 1.01 fl. oz.

$39.99

A lightweight Korean gel serum for skin that feels dry, looks dull or appears less even than usual.

Made for: Use 2–3 pumps after cleansing, morning and evening, then follow with moisturizer.

  • Helps skin feel hydrated, soft and more comfortable
  • Helps dull-looking skin look fresher and more radiant
  • Supports a brighter, more even-looking complexion
View Signal Serum