Cosrx

The AHA 2 BHA 2 Blemish Treatment Serum

£15 £20

A targeted blemish treatment with 2% AHA and 2% BHA, soaked into 30 cotton balls that you apply with the tweezers included. It helps clear blocked pores, calm spots and smooth texture, while zinc and allantoin keep skin comfortable.

Best for: Oily, combination and blemish-prone skin, including spots, blackheads and congested areas. Fragrance-free. Not for broken skin.

Key ingredients

  • Glycolic acid (2% AHA): gently removes dead skin cells to smooth and brighten.
  • Salicylic acid (2% BHA): gets into pores to clear oil and build-up.
  • Gluconolactone (PHA) and zinc PCA: gentle exfoliation and oil control.
  • Allantoin and dipotassium glycyrrhizate: soothe and calm redness.

How to use

After cleansing, use the tweezers to take out a cotton ball and dab it onto spots or congested areas. You can gently wipe over the nose and chin. Let it absorb, then carry on with your routine. Start a few times a week, and always wear SPF during the day.

Why BTY loves it

The pre-soaked cotton balls make it so easy to treat just the areas that need it, without over-exfoliating the rest of your face.

Pairs well with

Full ingredients

Water, Propanediol, Polysorbate 20, Glycolic Acid, Salicylic Acid, Gluconolactone, Zinc PCA, Allantoin, Sodium Hyaluronate, Sodium Hydroxide, Dipropylene Glycol, Hydroxyacetophenone, Caprylyl Glycol, Ethylhexylglycerin, Dipotassium Glycyrrhizate, 1,2-Hexanediol, Disodium EDTA

Fragrance-free. Contains AHA and BHA, which can make skin more sensitive to the sun, so use SPF daily. If you get stinging or redness, use it less often.

Responsible Person
UK: BIORIUS, 71 Shelton Street, London, WC2H 9JQ
EU: BIORIUS, 14 Avenue Léonard de Vinci, 1300 Wavre, Belgium

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