Isntree

Hyper Acid4 AHA BHA PHA LHA 30 Serum 20ml

HK$147.00 HKD
Shipping calculated at checkout.
SIZE: 20ml

Skin Type: Oily, combination, acne-prone
Texture: Lightweight liquid serum
Key Functions: Exfoliation, pore care, sebum control, brightening
Free From: Parabens, artificial fragrance, essential oils, drying alcohol
Dermatologist-Tested | Wash-Off Formula | Non-Comedogenic | Night Use Recommended

A high-potency exfoliating rinse-off serum designed to clarify pores, improve texture, and balance oil production in just one minute. This intensive formula combines 30% exfoliating complex with AHA, BHA, PHA, and LHA to effectively lift away dead skin cells and decongest pores, while remaining gentle on sensitive skin.

Enriched with niacinamide for brightening and allantoin to calm irritation, it also features peat water to support skin turnover and elasticity. Charcoal powder further enhances the detoxifying benefits, making it ideal for blackhead-prone areas. Use 2–3 times a week as part of your nighttime routine to achieve smoother, more even-toned skin.

Key Benefits

  • Gently exfoliates with a multi-acid blend (AHA, BHA, PHA, LHA) to resurface and purify skin

  • Helps regulate excess sebum and clear clogged pores

  • Improves tone and texture with niacinamide and peat water

  • Charcoal powder helps draw out impurities and refine the skin

  • Wash-off format minimises irritation while delivering visible results

Key Ingredients

  • Gluconolactone (PHA) – Gently exfoliates while supporting skin hydration

  • Lactic Acid & Glycolic Acid (AHAs) – Smooth rough texture and unclog pores

  • Salicylic Acid (BHA) – Penetrates oily pores to remove debris and reduce breakouts

  • Capryloyl Salicylic Acid (LHA) – Targets blemishes with lower irritation

  • Niacinamide – Brightens dull tone and refines skin texture

  • Allantoin – Soothes redness and supports post-exfoliation repair

  • Charcoal Powder – Draws out impurities and reduces shine

  • Peat Water – Boosts elasticity and cell renewal

How to use

After cleansing, apply 2–3 drops onto dry skin, avoiding the eye and lip areas. Gently massage for 1 minute, then rinse thoroughly with lukewarm water. Use 2–3 times per week at night only. Always follow with sunscreen during the day when using exfoliating acids.

FAQ
Ingredients

Purified Water, Gluconolactone (14.61%), Lactic Acid (9.68%), Methylpropanediol, Glycolic Acid (5.60%), Potassium Hydroxide, 1,2-Hexanediol, Diethoxyethyl Succinate, Glycerin, Xanthan Gum, Polyglyceryl-10 Laurate, Acacia Senegal Gum, Polyglyceryl-10 Myristate, Glyceryl Caprylate, Niacinamide, Salicylic Acid (0.1%), Allantoin, Disodium EDTA, Ethylhexylglycerin, Peat Water, Citric Acid, Hydroxypropyl Methylcellulose, Capryloyl Salicylic Acid (0.01%), Butylene Glycol, Potassium Sorbate, Charcoal Powder.

Shipping

Processing Time: 1–2 business days

Estimated Delivery:

  • Standard: 2–3 weeks
  • Express: 3–5 business days

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Returns

Return Window: Within 14 days of delivery

Condition: Unused, unopened, and in original packaging

Report issues (damaged or incorrect items) within 7 days of receipt

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