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Isntree Hyper Acid 4 (AHA BHA PHA LAH) 30 Serum 20ml
Product Details

Reveal radiant, smoother skin in just one minute with this powerful rinse-off exfoliating serum. Formulated with an optimized 30% ACID 4 blend (AHA 15.3%, BHA 0.1%, PHA 14.61%, LHA 0.01%), it gently removes dead skin cells, refines skin texture, and balances excess sebum for a brighter, more even complexion.

Key benefits

  • Intensive exfoliation for smoother, more even skin
  • Charcoal-infused formula with a unique color and medium-high viscosity
  • Quick and effective – works in just 1 minute!

How to use

After cleansing, apply 2-3 drops to the skin, avoiding the eye and lip areas. Let it sit for 1 minute, then rinse thoroughly with lukewarm water.

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Frequently asked questions

Can I return a product?

Yes! Returns are accepted within 7 days for unopened, unused products in their original condition. For hygiene reasons, opened or used products cannot be returned. For full details, please see our Refund Policy.

Are your products authentic?

Absolutely! All our products are 100% genuine and sourced directly from trusted Korean skincare brands. Shop with confidence knowing every item is authentic.

When will I get my order?

We process and ship orders as quickly as possible from South Korea. Delivery times vary by location, but we ensure your products arrive safely and promptly. Once your order is shipped, you’ll receive an email with your tracking information so you can follow your package every step of the way.

How do I know if a product is right for me?

Check the ingredient list and product description. You can also explore our blog for helpful guides todiscover your skin typeand find the products that suit you best.

How much does shipping cost?

Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.