Cooling Calming Serum
Cooling Calming Serum
Product Description
Product overview
A lightweight, fast-absorbing hydration serum featuring 10 types of Hyaluronic Acid, Centella Asiatica, and Jeju Lava Seawater to deeply hydrate, calm irritation, and deliver a cooling sensation for healthy, glass-like skin.
Cooling Technology
Jeju Lava Seawater provides a gentle cooling sensation that helps lower skin temperature and soothe irritation.
Texture & feel
SENSORYCooling Technology
Jeju Lava Seawater provides a gentle cooling sensation that helps lower skin temperature and soothe irritation.
10-Layer Hyaluronic Acid
Multiple molecular weights of HA penetrate different skin layers for deep, long-lasting hydration.
Centella Asiatica (CICA)
Traditional healing herb calms redness, soothes irritation, and supports skin barrier repair.
Triple Moisture Barrier
Panthenol and Allantoin create a protective moisture barrier while strengthening skin defenses.
Safety & compatibility
SAFEFree from retinoids, salicylic acid, hydroquinone, and chemical sunscreens. Safe for use during pregnancy and nursing.
Contains no ferments, fatty acids (C11-C24), esters, or polysorbates that feed malassezia yeast.
Clinically tested with 0.00 irritation rating. EWG All Green certified ingredients only.
While generally well-tolerated, those with very reactive skin should patch test before full application.
Ingredient breakdown
INGREDIENTS10 Types of Hyaluronic AcidProven
A comprehensive complex of hyaluronic acid variants with different molecular weights to hydrate multiple skin layers simultaneously.
- Includes: Sodium Hyaluronate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Sodium Acetylated Hyaluronate, and more
- Function: Low-weight HA penetrates deeper, high-weight HA hydrates surface and forms protective film
- Research: HA can bind up to 1000x its weight in water for intense hydration
Centella Asiatica ExtractProven
Also known as CICA or Gotu Kola, this traditional medicinal herb is renowned for its powerful soothing and healing properties.
- Active compounds: Asiaticoside, Madecassoside, Asiatic Acid, Madecassic Acid
- Benefits: Anti-inflammatory, promotes collagen synthesis, accelerates wound healing
- Research: Studies confirm significant reduction in redness and irritation
Jeju Lava Seawater PatentedInnovative
MIMU MIMU's signature cooling ingredient sourced from Jeju Island provides a gentle temperature-lowering effect.
- Function: Helps lower elevated skin temperature caused by UV exposure or inflammation
- Clinical test: Shown to quickly lower skin temperature by up to 12°F
- Benefit: Supports healthy skin barrier by maintaining optimal skin temperature around 31°C
Panthenol (Vitamin B5)Proven
Pro-vitamin B5 penetrates deep into skin layers to provide lasting hydration and strengthen the moisture barrier.
- Function: Humectant, anti-inflammatory, wound healing
- Comedogenic: 0 (non-comedogenic)
- Research: Reduces irritation from other ingredients in formulas
AllantoinProven
A gentle soothing agent that promotes skin healing and provides protective properties.
- Function: Skin-soothing, cell regeneration, protective
- Comedogenic: 0 (non-comedogenic)
- Source: Derived from comfrey plant (synthetically produced for purity)
29 ingredients
Water, Butylene Glycol, Glycerin, Propanediol, 1,2-Hexanediol, Carbomer, Hydroxyacetophenone, Tromethamine, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ethylhexylglycerin, Zea Mays (Corn) Kernel Extract, Panthenol, Disodium EDTA, Sodium Hyaluronate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Centella Asiatica Extract, Fructan, Glucose, Eucommia Ulmoides Bark Extract, Torreya Nucifera Extract, Allantoin, Hydroxypropyltrimonium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Potassium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Guaiazulene Sulfonate, Pentylene Glycol, Sodium Acetylated Hyaluronate
Where it fits in your routine
ROUTINEApply after toner on slightly damp skin. For enhanced cooling effect, use with MIMU MIMU Heating Calming Cleansing Oil.
How to use
HOW TO USECleanse & Tone
Start with clean skin. Apply toner and leave skin slightly damp for better absorption.
Dispense 2-3 Drops
Use the dropper to place 2-3 drops onto fingertips or directly onto face.
Gently Pat In
Press and pat the serum into skin using gentle upward motions. Avoid rubbing.
Layer if Needed
For extra hydration, apply a second layer once the first has absorbed. Follow with moisturizer.
Who is it for?
WHOPerfect for you if:
- You want lightweight, non-greasy hydration
- Your skin is sensitive, irritated, or redness-prone
- You're looking for a pregnancy-safe serum
- You struggle with fungal acne (malassezia)
- You want the Korean "glass skin" effect
- You prefer fragrance-free skincare
- Your skin feels hot or stressed after sun exposure
Consider alternatives if:
- You need heavy anti-aging actives like retinol
- You prefer rich, occlusive textures
- You want a strong, noticeable cooling sensation
- You need targeted acne treatment with BHA/AHA
- You prefer Western-style single-step products
Skin type compatibility
SKIN TYPESLightweight watery-gel absorbs instantly without adding shine or greasiness. Perfect for layering.
Provides excellent hydration boost. May need a richer moisturizer on top for very dry skin.
Balances hydration across different zones without overwhelming oily areas or neglecting dry patches.
Clinically tested 0.00 irritation. Fragrance-free with Centella to calm reactive skin.
Non-comedogenic, fungal acne safe, and oil-free. Won't clog pores or trigger breakouts.
Results timeline
6-8 WEEKSInstant Hydration & Cooling
Skin feels refreshed, plump, and comfortably hydrated. Subtle cooling sensation soothes stressed skin.
95% noticed immediatelyImproved Skin Texture
Smoother, more refined skin texture. Reduced rough patches and improved absorption of other products.
78% noticed improvementVisible Glow & Calmer Skin
Dewy "glass skin" appearance. Noticeably reduced redness and irritation for those with reactive skin.
85% achieved glass skin lookStrengthened Barrier
More resilient skin that's less reactive to environmental stressors. Better moisture retention throughout the day.
72% reported stronger barrierRatings by platform
275+ REVIEWSPros & cons
BALANCEDPraised
- Extremely lightweight, absorbs quickly
- No fragrance or sticky residue
- EWG All Green certified ingredients
- Clinically tested non-irritating (0.00)
- Excellent for sensitive and acne-prone skin
- Delivers visible glass skin effect
- Pregnancy and fungal acne safe
- Works well under makeup
Criticized
- Cooling effect subtle for some users
- 50ml bottle may not last long
- Best results when paired with brand's other products
- Limited availability outside Asia and US
- May not be hydrating enough for very dry skin alone
- Newer brand with less long-term reviews
Budget-friendly alternatives (dupes)
DUPESSimpler 7-ingredient formula with high Centella concentration. No cooling tech or multiple HA types, but proven cult-favorite for sensitive skin.
49% Centella with niacinamide, ceramides, and peptides. More anti-aging focus but similar soothing benefits. Slightly richer texture.
70% Centella Leaf Water + Tea Tree. Gel-cream texture (thicker than serum). Better for those wanting slight mattifying effect.
Targeted spot treatment rather than all-over serum. Higher active concentration for blemishes specifically. Different use case.
Comparison with competitors
SIDE-BY-SIDEStorage & shelf life
12 MONTHS12 months after opening
Store in a cool, dry place away from direct sunlight. Refrigeration optional for enhanced cooling effect.
Glass dropper bottle with protective outer box
Yes, 50ml is under 100ml TSA limit for carry-on liquids
Frequently asked questions
FAQYes! This serum is completely safe for use during pregnancy and breastfeeding. It contains no retinoids, salicylic acid, hydroquinone, chemical sunscreens, or any other ingredients flagged as concerning during pregnancy. All ingredients are EWG Green-rated for safety.
Yes! This serum is fungal acne safe. It does not contain fermented ingredients, fatty acids (C11-C24), fatty acid esters, polysorbates, or other ingredients that can feed malassezia yeast. It's been verified as FA-safe by ingredient analysis tools like SkinSort.
Yes! This serum is gentle and hydrating, making it an excellent companion to active ingredients. Apply acids or vitamin C first, let absorb, then use this serum to hydrate and soothe. For retinol, use this serum before retinol to buffer, or after to calm any irritation. The Centella and Hyaluronic Acid help counteract dryness from actives.
This serum works excellently for all skin types but is particularly ideal for: oily skin (lightweight, non-greasy), sensitive skin (0.00 irritation rating), acne-prone skin (non-comedogenic, FA-safe), and combination skin (balances without overwhelming). Dry skin types may want to layer a richer moisturizer on top.
You'll feel instant hydration and a subtle cooling sensation immediately. Improved skin texture typically appears within 1-2 weeks. The coveted "glass skin" glow and reduced redness usually become visible around 3-4 weeks of consistent use. Full barrier-strengthening benefits develop over 6-8 weeks.
Apply after cleansing and toning, before heavier serums and moisturizer. The order is: Cleanser → Toner → This Serum → Other serums (if any) → Moisturizer → Sunscreen (AM). For best results, apply to slightly damp skin to lock in moisture.
No! This serum has a comedogenic rating of 1/5 (very low). It contains no pore-clogging oils, heavy silicones, or comedogenic ingredients. The lightweight watery-gel texture absorbs quickly without leaving residue that could trap dirt or sebum. It's specifically formulated to be safe for acne-prone skin.
The serum has a PAO (Period After Opening) of 12 months. Once opened, use within one year for best efficacy. The dropper bottle helps minimize contamination and oxidation. Store in a cool, dry place away from direct sunlight to maintain freshness.
Verdict: MIMU MIMU Cooling Calming Serum is an excellent choice for those seeking a lightweight, clean-formula hydrating serum with soothing benefits. Its standout features are the 10-type Hyaluronic Acid complex for multi-layer hydration, pregnancy and fungal acne safety, and EWG All Green certification. While the cooling sensation is subtler than some expect, the serum delivers on its hydration and calming promises. Best suited for sensitive, oily, combination, and acne-prone skin types looking for a K-beauty essential that fits into any routine. For the price point, it offers good value with its clinical-grade gentleness and thoughtful formulation.
Product Overview
Quick product notes are a great way to check if a product is free from commonly avoided ingredients by skincare enthusiasts. These preferences come about for different reasons depending on the ingredient such as personal experiences, sensitivities, health preferences & etc.
Just because a product is not free from a common preference does not mean it's a bad product! You can make a personal decision whether or not you want to use a product that contains these ingredients or not - click the labels of the preference to read more about them.
Quick Product Notes
Ever used a product that promised a certain effect but provided no results? It might not have contained any notable ingredients that could have been responsible for that promised effect. It doesn't matter what the marketing or packaging «promises» it can do, if it doesn't contain anything that can help - then the likelihood of it helping is low.
We help you identify key notable ingredients that have been shown to help with effects such as acne-fighting, brightening, UV-protection, wound healing & anti-aging to help you achieve your skincare goals smarter. Please note that different notable ingredients have varying levels of research behind them, some are extremely well proven yet some have mixed research in their efficacy.
Just because a product doesn't contain any notable ingredients doesn't mean it's bad. And a product with notable ingredients (or even many) doesn't necessarily guarantee the efficacy of the product performing these effects either. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine this.
Be smart and use this as just a starting point for you to make more informed and smarter choices and compare it with reviews to see if the product is right for you
Notable Effects & Ingredients
Why are some products great for some people and horrible for others? Well everyone has different skin types and different reactions to the same ingredients.
We've identified a range of ingredients that are commonly regarded as potentially good or bad for those with Dry, Oily/Acne-Prone or Sensitive skin.
A product that contains good or bad ingredients for your skin type doesn't always flat out make the entire product good or bad for your skin. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine your skins reaction.
One of the best ways to use this section is to troubleshoot products you've had bad experiences with in the past. Check if it contains any of the marked ingredients to point out suspect ingredients to avoid in the future!
Ingredients Related to Skin Types
Ingredient Safety Breakdown refers to the percentage % of ingredients in different risk categories as classified by EWG (Environment Working Group) if they are available. There are almost endless cosmetic ingredients and they are one of the few organisations globally that have assigned ratings to a lot of the more commonly used ingredients which is why we reference them.
EWG is seen by many to be more on the alarmist side in their assignment of health ratings resulting in rating ingredients as riskier than they actually are. We recommend using this a reference point rather than a strict guide of ingredient safety and to always do further research if into ingredients that you may find suspect.
Ingredient Safety Breakdown
Product ingredient list
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
| 1 |
Water
Solvent, Skin Conditioning
|
|
|
| 1 |
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
|
Hydrating
|
|
| 2 |
Glycerin
Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant, Skin Conditioning
|
Promotes Wound Healing
Hydrating
|
|
| 1 |
Propanediol
Solvent, Viscosity Controlling, Viscosity Decreasing Agent
|
|
|
| 1 |
1,2-Hexanediol
Solvent, Skin Conditioning
|
Hydrating
|






