COSRX Low pH Niacinamide Micellar Water Review 2025

Ever struggled to find a cleanser that removes makeup, balances oil, and soothes your skin without stripping it? The COSRX Low pH Niacinamide Micellar Cleansing Water delivers all that and more. With its gentle, low-pH formula enriched with niacinamide and zinc PCA, this micellar water helps you achieve clean, hydrated, and healthy skin with just one step. Here’s everything you need to know to decide if it’s right for your skincare journey.
Why It’s a Must-Have: Key Benefits at a Glance
1. Skin-Friendly, Low pH Formula
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Designed to mirror your skin’s natural pH (~5.5), this cleanser avoids disrupting the acid mantle that protects against bacteria and retains hydration.
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Unlike alkaline cleansers, it maintains barrier integrity and minimizes irritation.
2. Balances Oil & Supports Clear Skin
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Contains niacinamide and zinc PCA, clinically known for regulating sebum, diminishing pore visibility, and fighting acne-causing bacteria .
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Ideal for oily and combination skin types seeking fewer breakouts.
3. Soothing Hydration for Sensitive Skin
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Formulated with allantoin, madecassoside, hyaluronic acid, and panthenol to hydrate and calm the skin during cleansing
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Free from fragrance and harsh additives—safe for reactive, sensitive skin.
4. One-Step Makeup and Sunscreen Removal
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Removes everyday makeup and sunscreen effectively with gentle micelles.
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While some heavy, waterproof makeup may require a second pass, most users find one quick swipe does the trick.

Deep Dive into Its Ingredients
Niacinamide & Zinc PCA
These power duo work hand-in-hand to minimize oil production, clarify pores, and support a more even skin tone. Niacinamide also strengthens the barrier and reduces inflammation.
Allantoin & Madecassoside
Derived from plants, these ingredients accelerate skin repair and soothe irritation—perfect for calm, refreshed skin.
Hyaluronic Acid & Panthenol
Nourish and hydrate deeply—important in a cleanser that shouldn’t leave skin feeling tight or dry.
Gentle Micellar Technology
Micelles encapsulate oils and impurities, lifting them cleanly off the skin without harsh scrubbing.
Real-World Results & Reviews
Clinical Testing
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A patch test of 30 women (ages 23–49) showed zero irritation at 30 minutes and 24 hours after application amazon.com—great news for sensitive skin types.
User Reviews
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On Ulta, it scores 4.8 / 5 stars from 158 reviews, with top-rated benefits being effective cleansing, gentle hydration, oil control, and soothing properties .
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Amazon highlights its ability to "help control oily and troubled skin and protect from acne-causing bacteria,” and praises it for removing makeup without overdrying.
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Bloggers and skincare forums note its lightweight, non-greasy feel. One reviewer mentioned:
“It doesn’t feel sticky or greasy… hydrates and mattifies your skin”

How to Use It Effectively
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Evening cleansing:
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Soak a cotton pad and sweep over the face to remove sunscreen or light makeup.
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For heavy coverage or mascara, hold the pad on areas for 10 seconds before wiping—no need to rinse afterward, unless you prefer double cleansing.
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Morning refresher:
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Use instead of a full cleanse to refresh skin and prep for your morning routine.
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Travel essential:
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TSA-friendly, unscented, and convenient—great for busy days and on-the-go touch-ups.
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What Skin Types Benefit Most?
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Sensitive and reactive skin: Very low pH and calming actives reduce irritation risk.
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Oily & combination skin: Niacinamide and zinc keep shine in check.
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Normal skin: Delicate enough for daily use without overstripping.
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Dry skin: Moisturizing components help retain hydration post-cleanse.
⚠️ Users with waterproof makeup may still need a dedicated remover or double cleanse.
Busting Common Concerns
Is rinsing necessary?
Not strictly—but rinsing helps remove traces of makeup and pollutants. For “no-rinse” routines, follow with a lightweight toner.
Does it sting the eyes?
Most users report no stinging, but waterproof eye makeup may need targeted removers first.
Travel or full-size?
Available in 100 ml and 400 ml bottles. Beginners may prefer the smaller size to test compatibility.
How It Compares to Other Micellar Waters
Unlike some competitor formulas (e.g., Bioderma Sensibio H2O), COSRX’s version combines low pH with active skincare benefits, adding oil control and hydration alongside cleansing. Vogue even named it the “Best for Oily Skin” in a 2024 roundup.
First-Hand Experience
As someone who often wears sunscreen and light coverage makeup, I rely on COSRX nightly. It effectively removes impurities without drying my sensitive combination skin. In the morning, I use it again for a clean canvas before my routine—leaving skin smooth, plump, and ready for treatment.
Final Verdict
If you're searching for a gentle, multi-functional micellar cleansing water that supports skin barrier health while removing impurities and balancing oil, COSRX Low pH Niacinamide Micellar Cleansing Water is a standout. At around $15 for 400 ml, it offers excellent value and skincare benefits beyond basic cleansing.

Ready to Pop Your Skincare?
Transform your cleansing routine with COSRX Low pH Niacinamide Micellar Cleansing Water—your go-to for clean, balanced, and hydrated skin in 2025. Add it to your cart today and experience the difference of low-pH cleansing with niacinamide and hydration at your fingertips.
🛒 Refresh, Cleanse, Shine: Get COSRX Low pH Niacinamide Micellar Cleansing Water at Luxxri.com!
Transform your skincare routine with this gentle, yet effective cleanser that:
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Removes makeup & impurities effortlessly
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Balances oil and minimizes breakouts
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Hydrates and soothes sensitive skin with niacinamide & zinc PCA
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