About this product
COSRX Refresh AHA BHA Vitamin C Booster Serum 30ml combines gentle AHA, BHA, and vitamin C in a concentrated booster to exfoliate dead skin, unclog pores, and brighten uneven skin tone simultaneously. Apply before moisturiser 2-3 times weekly for smoother texture and a more radiant complexion.
Best for combination, oily, dull skin looking to address dullness, hyperpigmentation, texture — with a focus on exfoliate + brighten.
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How to Use
- 1Apply to clean, dry skin
- 2Follow with hydrating toner
- 3Can use 3-5 times weekly
Product Claims
Common Allergens
Based on confirmed product attributes. Always check the full ingredient list for personal allergens.
Always check the full ingredient list if you have known allergies or sensitivities.
Routine Placement
Apply this serum & ampoule as step 5 in your routine.
Quick Stats
Key Ingredients
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
Dermatologist Note
28.5% kiwi + dragon fruit + glycolic acid for exfoliation and brightening action.
Based on published clinical literature and dermatological research.
Patch Test Recommended
This product contains high-strength actives. Before full application, apply a small amount to your inner arm or jaw and wait 24 hours to check for irritation.
If you experience redness, burning, or itching — discontinue use and consult a dermatologist.
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
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Disclaimer: Information on this page is for educational purposes only and does not constitute medical or dermatological advice. Always patch test new products and consult a qualified professional if you have skin concerns. Skinuity does not sell any products. We provide affiliate links to third-party retailers and may earn a commission on qualifying purchases.