Independent research · Skin-type first · No miracle claims
COSRX Low pH Good Morning Gel Cleanser white tube
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COSRX · Research-based review

Low pH Good Morning Gel Cleanser

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

Cult low-pH cleanserCombinationOilyNormalPeony Seoul top pick

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.

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?

This is the strongest match for combination, oily and blemish-prone daily routines. In our finder, it can appear for combination, oily, normal profiles and concerns including daily cleansing, excess oil, blemish-prone appearance.

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.

How to get the loveliest fit

Tea-tree oil and daily foaming cleansers may not suit very dry or highly reactive skin.

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.