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COSRX Low pH Good Morning Gel Cleanser white tube
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COSRX · Research by Peony Seoul · Editorial update 10 September 2026

Low pH Good Morning Gel Cleanser

Best cult low-pH gel cleanser for combination and oily skin.

✿ Cult low-pH cleanserCombinationOilyNormalResearch shortlist

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A low-pH gel cleanser that creates a light foam and rinses without a deliberately squeaky finish.

What it is designed to do

Removes daily surface oil and residue while keeping the cleansing step simple and affordable.

Research method · Affiliate disclosure

Why it made the Peony Seoul shortlist

It remains one of COSRX's most recognisable entry-level products and adds an affordable water-based cleanser to the edit.

What stands out

  • ✿ Low-pH positioning
  • ✿ Gel-to-light-foam texture
  • ✿ Tea-tree leaf oil
  • ✿ Large 150 ml tube

Formula highlights

Cocamidopropyl betaineTea-tree leaf oilBetaine salicylateAllantoin

Who should consider it?

Consider it for combination, oily and blemish-prone daily routines. Compare the full formula with products you already tolerate. Skin-type labels are a starting point, not a guarantee of suitability.

Texture and routine fit

The format is best described as clear foaming gel. Massage a small amount over wet skin, then rinse with lukewarm water; use after an oil cleanser when removing makeup or resistant SPF.

Who should skip it or take extra care?

Best matched to combination, oily and normal skin; very dry skin may prefer a creamier cleanser.

Brand or retailer product reference ↗. Compare the current pack and regional variant.

How this review was prepared

This is an independent editorial assessment based on current official product information, retailer availability and category research. It does not claim hands-on testing where none has occurred, and it is not medical advice.