COSRX Vitamin C 13 Booster Set (Vitamin C 13 Serum 20ml + 6 Peptide Serum 150ml)

Features

The COSRX Vitamin C 13 Booster Set includes the The Vitamin C 13 Serum (20ml) and The 6 Peptide Skin Booster Serum (150ml). The Vitamin C 13 Serum is designed as a daily hydrating and toning booster, featuring a 13% pure Vitamin C formula that balances efficacy with a low-irritation, stabilized composition. It is housed in a special container designed to protect the formula from light, heat, and oxygen, while managing gas release to maintain freshness. The 6 Peptide Skin Booster Serum serves as an essential first-step skincare product, formulated with six multi-functional peptides to address various skin concerns and enhance the absorption and efficacy of subsequent skincare products.

Benefits

The Vitamin C 13 Serum provides antioxidant care, helps improve irregular skin tone, and supports early anti-aging. It is formulated to be lightweight and non-sticky, making it suitable for daily use. The 6 Peptide Skin Booster Serum improves skin texture, firmness, and smoothness, while providing pore and sebum care. When used together, this set helps build skin foundation, boosts hydration, and creates a clearer, more even complexion. The 6 Peptide Skin Booster Serum is non-comedogenic and suitable for acne-prone skin.

Main Ingredients and their effects

Ascorbic Acid (13%): A pure Vitamin C component that provides powerful antioxidant, brightening, and anti-aging benefits to maintain healthy skin. Super Vitamin E (Tocotrienols): Acts as a synergy ingredient to enhance antioxidant effects and support skin health. Hyaluronic Acid: Provides deep hydration and moisture to the skin. 6-Peptide Complex: A blend of peptides, including sh-Polypeptide-121 for collagen boosting, Copper Tripeptide-1 for retexturizing, and Acetyl Hexapeptide-8 for firming, which work together to address complex skin concerns.

Clinical test results

Clinical tests for The Vitamin C 13 Serum showed a 113.7% increase in skin hydration after a single use. Over four weeks, visible blemishes improved by 16.07%, hidden blemishes by 12.22%, and red skin tone by 31.92%. Additionally, eye wrinkle depth improved by 10.64%, surface elasticity by 19.64%, and pore volume by 36.97%. The 6 Peptide Skin Booster Serum demonstrated improvements in skin texture (+162.50%), brightness (+76.41%), and hydration (+40.11%) in tests with 20 participants.

Usage instructions

For The Vitamin C 13 Serum, attach the included dropper and shake gently from side to side before use. Apply a moderate amount to the cheeks, then roll gently along the skin texture from the center of the face outward. If used during the day, always follow with sunscreen. For The 6 Peptide Skin Booster Serum, apply an adequate amount to the face as the first step of your skincare routine after cleansing. Pat softly to aid absorption and layer multiple times for increased efficacy. If using both products, apply the 6 Peptide Skin Booster Serum first to prime the skin, followed by the Vitamin C serum.

Caution

The Vitamin C 13 Serum should be stored upright in a refrigerator (3-10°C) before and after opening. Due to the nature of pure Vitamin C, gas may occur; the special cap is designed to regulate this. Use the product within two months of opening. For those using the 6 Peptide Skin Booster Serum, please note that it should not be used at the same time as products containing Copper Peptides; apply them at different times of the day (morning/evening).