Isntree Green Tea Fresh Cleanser: Low-pH Gentle Daily Cleanser

Isntree is a Korean brand that's built quiet credibility in the skincare community for evidence-informed formulations and clean positioning. The Green Tea Fresh Cleanser is their daily gel-cream face wash, formulated at skin-friendly pH 5.5 with a focus on not stripping the barrier. At $32.68 for 120ml, it's mid-tier priced for a branded Korean cleanser, slightly above drugstore pricing.

Low-pH cleansers are a Korean skincare preference that's now mainstream globally. Skin's natural pH is approximately 5.5, and cleansing with products matched to that pH preserves the acid mantle (the protective layer) better than traditional alkaline soaps or foaming cleansers. Isntree holds this pH consistently across their cleansing lineup.

What It Does

Mild surfactants (amino-acid-derived) cleanse at skin-friendly pH without disrupting the acid mantle. Jeju green tea extract provides antioxidants and a subtle calming effect. Glycerin and panthenol prevent post-cleanse tightness. The formula produces a moderate lather, rinses clean, and leaves skin feeling balanced rather than squeaky.

Who It's For

• Sensitive or reactive skin: pH-matched, gentle formulation.
• Daily routine users: Suitable for AM and PM.
• Low-pH routine advocates: Consistent with K-beauty philosophy.
• Green tea ingredient fans: Jeju green tea across the formulation.
• Users transitioning from harsh cleansers: Noticeable difference in skin feel.

Key Specs

• Volume: 120ml
• Price: $32.68
• pH: approximately 5.5
• Hero supports: Jeju green tea, panthenol, glycerin
• Texture: gel-cream, moderate foam
• Fragrance: mild green tea

How to Use

Wet face with warm water. Dispense a cherry-sized amount, lather between hands or on face. Massage for 30 seconds. Rinse thoroughly. Use AM and PM. Good as the second step of a double-cleanse (after oil cleanser in the evening).

FAQ

Is it strong enough for heavy makeup?

No. Pair with an oil cleanser as the first step. This is best as the morning cleanser or second-step evening cleanser.

Does low-pH actually matter?

Yes. Over weeks of consistent use, low-pH cleansers produce measurably better skin barrier function. The difference isn't dramatic on day one, but compounds over time.

How does this compare to COSRX Low pH Good Morning Gel Cleanser?

Both are widely respected low-pH daily cleansers. COSRX is budget, BHA-featuring, foam-forward. Isntree is slightly higher-tier, green-tea-focused, gentler gel-cream feel. For oily or breakout-prone: COSRX. For calm-focused: Isntree.

Will it strip oily skin?

No. The mild surfactants cleanse sebum without over-stripping. Oily skin tolerates low-pH cleansers well.

How long does 120ml last?

Twice-daily use: approximately 2 months.

Related Products

Pair with Isntree Hyaluronic Acid Toner Plus for next-step hydration. Browse the Isntree collection or Korean cleansers.