COSRX The 6 Peptide Skin Booster Serum Jumbo Set (150ml x 3 + 30ml x 2)

Features

The COSRX Peptide Serum Jumbo Set (150ml x 3 + 30ml x 2) features a multi-functional booster serum formulated as a crucial first step in daily skin care. Designed to enhance basic skin strength and work seamlessly regardless of skin type, season, or weather, this lightweight serum absorbs quickly into the skin. Its versatile formula can be layered multiple times to build hydrations and boosts the efficacy of subsequent serums and ampoules.

Benefits

This comprehensive skin booster serum delivers multi-faceted improvements across various skin concerns, functioning as a functional product for anti-aging, wrinkle care, and skin brightening. It helps enhance overall skin tone, transparency, radiance, and elasticity while retexturing the skin surface and refining pores and excess sebum. Additionally, it helps relieve skin troubles like blackheads and whiteheads, making it suitable for maintaining a clear, smooth, and balanced complexion.

Main Ingredients and their effects

6 Peptide Complex: Combines six distinct peptides, including SH-Polypeptide-121 for collagen boosting and plumping, Copper Tripeptide-1 for retexturizing, Acetyl Hexapeptide-8 for smoothing fine lines, Dipeptide Diaminobutyroyl Benzylamide Diacetate for excess sebum and pore care, Oligopeptide-68 for brightening, and Palmitoyl Tripeptide-8 for soothing skin sensitivity.

Niacinamide: Supports skin brightening, assists with hyperpigmentation care, and helps control skin sebum levels.

Hyaluronic Acid & NMF: Works to supply deep moisture, enhancing overall skin hydration and keeping the skin plump.

Allantoin: Provides gentle soothing care for sensitive skin.

Certifications and Awards

COSRX has been recognized for this formula across major beauty platforms, earning 1st place overall in Olive Young sales rankings (as of July 1, 2025 in the skincare category), 1st place in the Anti-Aging Essence/Ampoule/Serum category at the 2024 Hwahae First Half Awards, and the 2024 Glowpick Award for texture care. It was also featured as an Allure Beauty & Style Expert Award Winner.

Clinical Test Results

In clinical trials conducted on 20 adult subjects aged 20 to 59, testing demonstrated a 162.50% increase in skin hydration, a 76.41% reduction in uneven skin texture, a 37.99% improvement in skin brightness, a 40.11% improvement in transparency, a 24.58% increase in glow, and a 22.22% increase in skin density. In separate human clinical testing on acne-prone skin, subjects showed a 33.34% reduction in oiliness, a 29.48% reduction in excess sebum, a 21.95% reduction in blackheads, and a 20.91% reduction in whiteheads. The formula completed non-comedogenic testing as suitable for acne-prone skin and passed primary skin irritation tests on sensitive skin types.

Usage Instructions

Immediately after cleansing as the very first step of skincare, or prior to applying ampoules and serums, take an adequate amount and gently spread it along the texture of the face. Softly pat to aid complete absorption. Multiple layers can be applied to deliver abundant hydration and efficacy to the skin before following with creams and sun protection.