COSRX The 6 Peptide Skin Booster Serum 150ml, 2 Pack

Features

COSRX The 6 Peptide Skin Booster Serum 150ml, 2 Packs is a versatile first-step boosting serum designed to improve overall skin health regardless of skin type, season, or weather. Formulated to enhance skin conditioning, this serum pairs effectively with other serums and ampoules to boost their overall efficacy and performance.

The serum works as a multi-functional daily product that can be applied in generous layers to enhance hydration, smooth skin texture, balance excess sebum, care for pores, and even out skin tone. It functions dual-purpose benefits for skin brightening and fine line/wrinkle care.

Benefits

This boosting serum works across multiple skin concerns by delivering hydration, improving firmness, retexturizing skin, controlling excess sebum, and caring for pores. It helps brighten skin tone, boost skin density, enhance radiance, and clear transparency for a smooth, healthy appearance.

Main Ingredients and their effects

6 Peptide Complex: Formulated with SH-Polypeptide-121, Copper Tripeptide-1, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, and Acetyl Hexapeptide-8 to boost collagen, retexturize, manage excess sebum and pores, brighten, soothe skin sensitivity, and smooth fine lines.

Niacinamide: Helps with skin brightening, hyperpigmentation care, and sebum control.

Sodium Hyaluronate: Delivers moisture deep into the skin to enhance hydration and plumping.

N-Acetylglucosamine (NAG): Provides gentle dead skin cell care and hydration support.

Allantoin: Helps calm and soothe skin irritation.

Certifications and Awards

COSRX The 6 Peptide Skin Booster Serum 150ml, 2 Packs has earned accolades including Olive Young Overall Sales Ranking No. 1, Olive Young Daily Special Ranking No. 1, 2024 Glowpick Awards (Glow Care category), 2024 Hwahae First Half Awards No. 1 (Essence/Ampoule/Serum Anti-Aging category), and Allure Beauty & Style Expert Award Winner.

Clinical test results

In clinical evaluation over a multi-week period with 20 adult subjects (ages 20–59), testing showed a 162.50% increase in skin moisture, a 76.41% improvement (reduction) in skin texture roughness, a 37.99% improvement in skin brightness, a 40.11% improvement in transparency, a 24.58% improvement in radiance, and a 22.22% increase in skin density.

In a clinical trial evaluated on acne-prone skin (20 subjects aged 14–50), test results showed reductions of 21.95% in blackheads, 20.91% in whiteheads, 29.48% in excess sebum, and 33.34% in oiliness. Non-comedogenic testing confirmed suitability for acne-prone skin without clogging pores. Additionally, primary skin irritation testing on sensitive skin (30 subjects) confirmed a non-irritating, low-irritation formula suitable for daily use.

Usage instructions

After cleansing, take an adequate amount during the very first step of your skincare routine, or prior to using other ampoules and serums. Smooth softly over the skin following your natural skin texture and pat gently to aid absorption. Apply multiple layers as needed to deliver rich benefits to the skin.