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She is Oman · Happy Omani Women's Day, 17 October
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Omani Women's Day · 15–17 Oct
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COSRX Refresh AHA BHA Vitamin C Booster Serum is a multi-action exfoliating and brightening serum that combines the power of AHA, BHA, and Vitamin C in one formula. Designed to resurface skin, unclog pores, and boost radiance, this 30ml serum delivers a comprehensive approach to clearer, brighter, and smoother skin. Ideal for those looking to address multiple skin concerns in a single step.
After cleansing and toning, apply 2–3 drops of COSRX Refresh AHA BHA Vitamin C Booster Serum onto face and neck. Gently pat until fully absorbed. Use in the evening to avoid photosensitivity from AHA/BHA. Always apply SPF in the morning. Start with 2–3 times per week and increase frequency as tolerated. Avoid combining with other strong actives in the same routine.
Ascorbic Acid, Glycolic Acid, Betaine Salicylate, Niacinamide, Sodium Hyaluronate, Panthenol, Allantoin, Betaine, 1,2-Hexanediol, Adenosine, Xanthan Gum. Full ingredient list may vary — please refer to product packaging.
| Brand | COSRX |
|---|---|
| Product Type | Serum |
| Size | 30ml |
| Suitable For | All skin types |
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product.

Apply to cleansed skin, patting gently until absorbed, then follow with moisturiser.
This booster serum is generally suited to normal to oily skin looking to refresh dull-looking skin; sensitive skin should patch test first.
With AHA, BHA and vitamin C together, start with a few times a week and see how your skin responds before increasing use.
Yes, this type of formula can increase sun sensitivity, so daily sunscreen is recommended.
It's best not to combine multiple strong actives at once; alternate days or ask our pharmacists for advice.