Questions about COSRX The 6 Peptide Skin Booster Serum 150ml

Got questions? We’ve got answers!

Q1: Who is the COSRX 6 peptide serum best for?

A: It suits all skin types and is a lovely everyday peptide step, including for sensitive and acne-prone skin. It works especially well as a first-step prep serum to boost the products that follow.

Q2: How do I use it, as a toner or a serum?

A: It has a light, toner-like texture, so most people use it as the first step after cleansing, before their other serums, ampoules, and moisturizer. Two to three pumps patted in works well.

Q3: Does it have a scent?

A: It is fragrance-free with no added fragrance or essential oils, which makes it an easy layer if you avoid scented skincare.

Q4: Can I use it with other actives like vitamin C or retinol?

A: Yes. It is a low-irritation formula designed to layer well with vitamin C, retinol, niacinamide, and exfoliating acids, so it slots easily into most routines.

Q5: When will I see results?

A: Peptide results are gradual, so consistent daily use over several weeks works best. Keep up daily sunscreen to support the look of firmer, smoother skin.

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