Cosrx Refresh AHA‑BHA Vitamin C Booster Serum — 30 ml

A lightweight, fast‑absorbing booster serum that combines chemical exfoliation with brightening power to refine texture, even skin tone, and boost radiance.

Product overview

This multi‑functional booster blends AHA, BHA and Vitamin C to gently dissolve dead skin cells, clear pores and help fade dullness and dark spots. Designed to layer into your routine, it’s ideal for anyone looking to smooth skin texture and enhance luminosity without heavy oils or sticky residues.

Key benefits

• Gently exfoliates to smooth rough texture and promote cell turnover
• Helps unclog pores and reduce the look of blackheads and congestion
• Brightens and helps even skin tone for a more radiant complexion
• Lightweight, fast‑absorbing formula that layers well under moisturizers and sunscreen
• Suitable as a booster to intensify your existing routine

Key ingredients and作用

• AHA (alpha hydroxy acids): dissolves dead skin cells on the skin’s surface to refine texture and promote radiance.
• BHA (beta hydroxy acid, e.g., salicylic acid): oil‑soluble exfoliant that penetrates pores to help clear congestion and reduce the appearance of blemishes.
• Vitamin C (ascorbic acid or derivative): antioxidant that helps brighten skin tone and reduce the appearance of dullness and discoloration.

(Note: ingredient form and concentrations vary by formula. Patch testing is recommended.)

Texture & scent

• Lightweight, serum‑like texture that absorbs quickly.
• Typically low in fragrance; feels non‑oily on skin.

How to use

1. Patch test before first use (apply a small amount behind the ear or on the inner arm).
2. Cleanse and tone.
3. Apply 2–3 drops to dry skin or mix with your serum/moisturizer as a booster.
4. Start by using 2–3 times per week, then increase frequency as tolerated.
5. Follow with moisturizer. If used in the morning, always apply broad‑spectrum sunscreen; chemical exfoliants and Vitamin C can increase sun sensitivity.

Who it’s for

• Skin types: oily, combination, normal, and those with congestion or dullness.
• Targets: uneven texture, blackheads, post‑inflammatory hyperpigmentation/dullness.
• Not recommended for very sensitive or actively irritated skin without guidance.

Precautions & tips

• Avoid using other strong exfoliants, high‑strength retinoids, or professional peels on the same day to reduce irritation risk.
• If you experience redness, stinging, or excessive peeling, discontinue use and consult a dermatologist.
• Use daily sun protection while using exfoliating or Vitamin C products.
• Pregnant or breastfeeding? Check with your healthcare provider about using acids or actives.

Size

• 30 ml

Bring gentle chemical exfoliation and brightening into your routine with a concentrated, easy‑to‑layer booster—ideal for refining texture and revealing a clearer, more luminous complexion.