Refresh AHA BHA Booster Serum
COSRX Refresh AHA BHA Vitamin C Booster Serum is a lightweight Korean booster serum designed to gently exfoliate, brighten and hydrate the skin. This watery textured serum helps diminish the appearance of fine lines while supporting a radiant and refreshed looking complexion.
Formulated with 57% Golden RX Complex, kiwi fruit extract and dragon fruit extract, Refresh AHA BHA Booster Serum helps remove dead skin cells and excess sebum. The formula is also infused with vitamin C, arbutin and niacinamide to help minimise the look of pigmentation and reveal brighter looking skin.
Refresh AHA BHA Booster For Oily Skin
This COSRX serum is ideal for customers wanting a light, fast absorbing booster serum for dull, oily or combination skin. The watery texture provides instant hydration without leaving the skin feeling heavy.
Because Refresh AHA BHA Booster Serum helps exfoliate and brighten at the same time, it is a practical option for routines focused on fine lines, pigmentation, dullness and excess sebum. It supports a smoother, clearer and more radiant looking complexion.
Booster Serum Benefits
- Lightweight Korean booster serum
- Provides exfoliating and brightening benefits
- Helps diminish the appearance of fine lines
- Supports a radiant looking complexion
- Contains 57% Golden RX Complex
- Formulated with kiwi fruit and dragon fruit extract
- Helps remove dead skin cells and excess sebum
- Infused with vitamin C, arbutin and niacinamide
- Helps minimise the look of pigmentation
- Gently exfoliates dead skin cells
- Brightens the skin’s complexion
- Provides instant hydration
- Lightweight, watery texture
- Light finish without heaviness
- Suitable for combination to oily skin types
- Made in Korea
Brightening And Exfoliating Support
Refresh AHA BHA Booster Serum is designed to support skin that looks dull, uneven, oily or tired. The Golden RX Complex helps refresh the look of the skin, while vitamin C, arbutin and niacinamide support a brighter and more even looking tone.
With regular use, this serum helps skin appear smoother, clearer and more hydrated. It is suitable for skincare routines focused on exfoliation, brightness, sebum care, pigmentation support and fine line care.
Key Ingredients
- 57% Golden RX Complex: Helps refresh the skin, remove dead skin cells and support a clearer looking complexion.
- Kiwi Fruit Extract: Helps brighten dull looking skin and support a fresher finish.
- Dragon Fruit Extract: Helps support hydration and a more radiant looking complexion.
- Vitamin C: Helps brighten the look of pigmentation and support a glowing complexion.
- Arbutin: Helps improve the appearance of uneven tone and pigmentation.
- Niacinamide: Helps support a brighter, clearer and more balanced looking complexion.
How To Use Refresh AHA BHA Booster Serum
- Use after cleansing and toning.
- Apply an appropriate amount to the face.
- Gently spread across the skin, avoiding the eye and lip area.
- Pat lightly until fully absorbed.
- Follow with moisturiser to help seal in hydration.
- Use morning or evening depending on skin tolerance.
- Apply sunscreen during the day when using brightening or exfoliating skincare products.
Refresh AHA BHA Booster Product Details
- Product Name: COSRX Refresh AHA BHA Vitamin C Booster Serum
- Size: 30ml
- Product Type: Korean exfoliating and brightening booster serum
- Key Ingredients: 57% Golden RX Complex, kiwi fruit extract, dragon fruit extract, vitamin C, arbutin and niacinamide
- Suitable For: Combination, oily, dull, uneven, pigmented or tired looking skin
- Benefits: Brightening, exfoliation, hydration, fine line care, pigmentation support and sebum control
- Texture: Lightweight, watery and fast absorbing
- Finish: Light, hydrated and radiant
- Made In: Korea
- Authenticity: All our products are 100% authentic
Important Booster Serum Information
This Korean booster serum contains brightening and exfoliating ingredients, so it is best introduced gradually if your skin is new to active skincare. Avoid using with strong exfoliating products in the same routine unless advised by a skincare professional.
If you are introducing Refresh AHA BHA Booster Serum into your routine for the first time, patch testing is recommended. Discontinue use if irritation occurs.
Shop More Korean Skincare
For more Korean skincare products, explore our COSRX range. You can also learn more about exfoliating acids and acne treatment options from American Academy of Dermatology.
Booster Serum Use Information
Overall, COSRX Refresh AHA BHA Vitamin C Booster Serum is a lightweight, watery serum for customers wanting brighter, smoother and more radiant looking skin. It is ideal for combination to oily skin routines focused on gentle exfoliation, pigmentation support, fine lines and instant hydration.




