COSRX The 6 Peptide Skin Booster Serum 150ml6 potent peptide that enhances overall skin condition as your first step serum The 6 peptide skin booster contains 6 multi peptides that boost overall skin condition such as pore & sebum, firmness, fine lines, skin texture, skin tone and soothing. It is perfect to use as the first step of skincare routine to prep and boost. COSRX The 6 Petide Skin Booster is suitable for all skin types and can be used all day and in any season. It is especially ideal