Refresh your skincare routine with the COSRX Refresh AHA/BHA Vitamin C Booster Serum, a targeted serum designed to support a clearer, more radiant complexion. This formula combines key exfoliating and brightening ingredients to help refine pores and improve skin texture.
Formulated with AHA and BHA to gently exfoliate and unclog pores, promoting a smoother appearance.
Infused with Vitamin C to help brighten the skin and even out tone.
Ideal for use as a booster serum to enhance your daily skincare regimen.
Part of the COSRX Serums & Ampoules line, trusted for effective, skin-friendly solutions.
Customer Reviews (4.8 / 5 · 17 reviews)
Lucy L.★★★★★
My morning breakouts have calmed down noticeably since I started using this—the AHA/BHA combo is definitely doing its job without irritating my skin.
Scarlett★★★★★
After a week of using this, my skin texture is noticeably smoother and those little bumps around my chin are fading. The combination of exfoliating acids with vitamin C in one bottle makes my morning routine much simpler.
Jacob★★★★★
This morning I noticed a real difference in how even my skin tone looks—the AHA is definitely smoothing things out without any irritation. I've been using it right after cleansing and my texture is way less bumpy, plus it layers nicely under my moisturizer.
Christopher★★★★★
My skin usually reacts poorly to acids, but this booster felt surprisingly gentle while still delivering a noticeable glow after a week of use. I love that I can mix a few drops into my moisturizer without any pilling or irritation.
Kevin★★★★★
I was skeptical about the vitamin C percentage at first, but the lightweight texture sinks in fast without any stickiness. A few drops mixed with my moisturizer already seem to be fading some old sun spots.
Christopher U.★★★★★
My skin texture has noticeably smoothed out since adding this to my routine, and the vitamin C gives a nice little glow without any irritation. It layers well under my moisturizer.
Edward A.★★★★★
I've been using this for about two weeks now and the dropper makes it easy to control how much I use each time. My dark spots from old breakouts are definitely fading faster.
Benjamin B.★★★★★
My skin texture has noticeably smoothed out since I started using this, and the vitamin C gives a nice brightness without irritation. I apply it right after cleansing and it layers well under my moisturizer.
Michael N.★★★★★
I’ve been using this right after cleansing, and the texture is super lightweight—not sticky at all. My dark spots from old breakouts look noticeably lighter after about two weeks.
Evelyn★★★★★
My combination skin usually hates serums, but this one sinks in without any greasy residue. The vitamin C gives my face a nice, dewy glow that lasts all day. Only wish the bottle were bigger for the price.
