Tetrapeptide-30

Tetrapeptide-30 Overview

Tetrapeptide-30 is a synthetic oligopeptide composed of four amino acids (Proline-Lysine-Glutamic Acid-Lysine), designed for use in cosmetic formulations to brighten skin tone and reduce hyperpigmentation.

Tetrapeptide-30 Benefits

• Reduces hyperpigmentation and evens skin tone
• Inhibits tyrosinase activity and melanocyte activation
• Decreases UVB-induced inflammation markers (IL-6, IL-8, TNF-α, POMC)
• Suitable for all skin types, including sensitive skin

Tetrapeptide-30 Key Ingredients

Key structural components

• Amino acids: L-Proline, L-Lysine, L-Glutamic Acid, L-Lysine
• Linear tetrapeptide sequence (PKEK)

Commonly paired ingredients

• Sodium Ascorbyl Phosphate (enhances skin-brightening effects)
• Hyaluronic Acid (for hydration)
• Niacinamide (for additional brightening and barrier support)
• Glycerin (for moisturizing in formulations)

Tetrapeptide-30 Specifications

• Appearance and Color: Colorless clear viscous liquid or white powder (depending on formulation)
• CAS Number: 1036207-61-0
• Molecular Formula: C22H40N6O7
• Storage: Store in a cool, dry place at 2-8°C, protected from light and moisture