[Isntree] Hyper Acid4 AHA BHA PHA LHA 30 Serum 20ml
Isntree Hyper Acid4 delivers a potent, multi-acid exfoliation experience in a rinse-off format. With a 30% blend of AHA, BHA, PHA, and LHA, it targets dull texture, congested pores, and uneven skin tone, helping skin look brighter and smoother. The formula also features charcoal powder for a deeper cleanse, plus Niacinamide for brightness and Allantoin for soothing comfort. Designed for a quick, once-a-week treatment, it’s easy to fit into busy routines while emphasizing the importance of sunscreen afterward.
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Description
Description
Hyper Acid4 from Isntree is a rinse-off exfoliant that combines four acid families—AHA, BHA, PHA, and LHA—into a single 30% formula. This multi-acid approach works to remove dead skin cells, unclog pores, and refine skin texture in a short, wash-off session. The inclusion of Charcoal Powder adds a detoxifying element to help draw out impurities from pores, while Niacinamide supports a more even-looking complexion and Allantoin helps to calm the skin. After use, it's important to follow with sunscreen and limit sun exposure, as acids can increase photosensitivity. This product is suited for those seeking a targeted, intensive exfoliation as part of a broader skincare routine.
How to use
How to use
After cleansing, apply 2-3 drops of Hyper Acid4 onto the skin, avoiding the eye and lip areas. Massage the product into the skin for about 1 minute, then rinse thoroughly with lukewarm water. Follow with your usual skincare routine and, most importantly, apply sunscreen and limit sun exposure after use.
Ingredients
Ingredients
- Water: Facilitates the formula's texture and dispersion.
- Gluconolactone (PHA): Gentle exfoliant that helps remove dead cells and improve texture.
- Lactic Acid (AHA): Exfoliates surface cells for a smoother feel.
- Methylpropanediol: Humectant and solvent aiding product penetration.
- Glycolic Acid (AHA): Effective for renewing the skin’s surface texture.
- Potassium Hydroxide: pH adjuster to maintain product stability.
- 1,2-Hexanediol: Humectant and solvent helps with texture.
- Diethoxyethyl Succinate: Emollient contributing to skin feel.
- Glycerin: Humectant that draws moisture to the skin.
- Xanthan Gum: Thickening agent for product stability.
- Polyglyceryl-10 Laurate: Emollient and emulsifier.
- Acacia Senegal Gum: Thickener and stabilizer.
- Polyglyceryl-10 Myristate: Emollient to improve texture.
- Glyceryl Caprylate: Skin-conditioning ester.
- Niacinamide: Brightening support and barrier assistance.
- Salicylic Acid (BHA): Lipid-soluble exfoliant for pore cleansing.
- Allantoin: Soothing agent to help calm irritation.
- Disodium EDTA: Stabilizer that helps preserve formula integrity.
- Ethylhexylglycerin: Humectant and conditioning agent.
- Peat Water: Mineral-rich component contributing to skin-soothing properties.
- Citric Acid: pH adjuster and mild exfoliant.
- Hydroxypropyl Methylcellulose: Thickener and texture enhancer.
- Capryloyl Salicylic Acid (LHA): Lipophilic acid exfoliant with gentle peeling action.
- Butylene Glycol: Humectant and solvent for smooth application.
- Potassium Sorbate: Preservative to maintain product safety.
- Charcoal Powder: Helps draw impurities from pores for deeper cleansing.
Formulation Disclaimer
Formulation Disclaimer
Korean beauty products are reformulated frequently, and packaging or ingredients may differ slightly from what's shown. If you'd like to confirm the current formulation before purchasing, email us at info@kbeauti.ca.
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Shipping Policy
Shipping Policy
Do you offer free shipping?
We most certainly do! Please see the "FREE Shipping" tab below for a breakdown by Country.
When will my KBeauti order ship?
We process and ship out all orders Monday through Friday, not including holidays.
Orders with standard shipping will usually be fulfilled and shipped within 1-2 business days (Monday through Friday, not including holidays).
Please note that due to global supply chain delays, some orders may take longer than expected to reach you.
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Where will my KBeauti order ship from and how long will it take for my order to arrive?
All KBeauti orders are shipped directly from Soeul, Korea.
Orders with standard shipping usually take 10-15 business days from the day the order is placed to arrive at it's final destination.
Orders with express shipping usually take 4-7 business days from the day the order is placed.
Do you charge domestic sales tax?
Domestic sales tax will be applied to orders based on order destination and in compliance with federal, state and local laws.
Will I have to pay customs duties or import taxes?
Possibly. Orders shipped from Korea may be subject to customs duties, import taxes, VAT/GST, or brokerage fees depending on the country of delivery.
These charges are determined by your local customs authority and are not included in our product prices or shipping fees.
Who is responsible for paying these charges?
The customer is responsible for paying any duties, taxes, or import fees required by the destination country.
We do not collect or control these charges.
Why are there additional fees?
Because your order is being imported from Korea. Many countries apply duties or taxes to international shipments once they arrive in the destination country.
What about U.S. orders?
The United States currently has a de minimis threshold (generally USD $800), meaning shipments under that value may enter duty-free. However:
This threshold is set by U.S. customs and may change.
Certain products may still be assessed.
Customs has final discretion.
We are not responsible for duties assessed by U.S. customs authorities.
What happens if I refuse to pay customs charges?
If duties or taxes are not paid, the shipment may be returned or abandoned. Any return shipping, storage, or carrier fees may be deducted from your refund.
All KBeauti policies are subject to change without advanced notice.
I reached out via email but I haven't received a response in over 2 business days! What now?
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FREE Shipping
FREE Shipping
Zone 1 - Free standard shipping for all orders $50+ USD
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About Us
About Us
Our team is passionate about accessibility and wellness.
Based in Canada and established in 2021, our goal is to bring the research-backed work of the Korean Beauty industry to bathroom counters across the globe.
We specialize in Korean skin care and cosmetic products only and hold a deep appreciation for the research and technology our Korean brand partners commit to.
We partner directly with Korean suppliers to send their products across the globe.
We believe that everyone has a glow, and our goal is to help everyone access the best skin care technology the world has to offer, at a reasonable cost.
Sunscreen & SPF Products in Canada
Sunscreen & SPF Products in Canada
Unfortunately due to regulations by Health Canada we are unable to offer any Korean sunscreen or SPF products to Canadian customers.
We are working with Health Canada to obtain Federal approval for these items, but it's a lengthy process.
We apologize for the inconvenience and will let you know as soon as this changes!
Why does my product look different from the photos on your site?
Why does my product look different from the photos on your site?
Korean beauty brands update their formulas and packaging regularly - sometimes several times a year - and these changes often happen faster than we can update every listing. We do our best to keep product pages current, but what you receive may have a newer formulation or updated packaging. The core product and its function remain the same. If you'd like to verify what's currently in stock before ordering, reach out to us at info@kbeauti.ca and we'll confirm for you.