Red Toner
Red Toner
Product Description
Product overview
A clinically tested, low-irritation soothing toner formulated with BHA (salicylic acid), niacinamide, colloidal sulfur, and the patented ingredient ovalicin. Designed for acne-prone and sensitive skin, it regulates sebum, calms redness, and hydrates without a sticky residue. Certified non-comedogenic with 19+ botanical extracts.
Patented Ovalicin Complex
Medicube's proprietary anti-inflammatory ingredient that helps soothe troubled, acne-prone skin and reduce redness at the source.
Texture & feel
SENSORYPatented Ovalicin Complex
Medicube's proprietary anti-inflammatory ingredient that helps soothe troubled, acne-prone skin and reduce redness at the source.
BHA + Colloidal Sulfur Duo
Salicylic acid gently exfoliates inside pores while colloidal sulfur helps regulate excess sebum and clarify the complexion.
19+ Botanical Extracts
A rich blend including tea tree, chamomile, ginger root, lavender, and centaurea to calm, soothe, and protect irritated skin.
Hydration Without Residue
Clinical tests show 100% moisture boost with only 5% stickiness. Beta-glucan, glycerin, and betaine deliver lasting hydration.
Safety & compatibility
SAFEContains salicylic acid (BHA), which is generally advised against during pregnancy. Consult your healthcare provider before use. Low concentration may be acceptable for breastfeeding, but professional guidance is recommended.
No fermented ingredients, problematic fatty acids, or polysorbates. This formula is considered safe for fungal acne-prone skin. Salicylic acid may also help manage fungal overgrowth.
Clinically certified non-comedogenic. Comedogenic rating of 1/5 based on ingredient analysis. Unlikely to clog pores or cause breakouts.
Alcohol is listed as the 3rd ingredient. While it helps with absorption and gives a refreshing feel, it may be drying for very dry or compromised skin barriers. Patch test recommended.
Clinically tested for low irritation by the Ellead Clinical Research Institute. Formulated to soothe rather than aggravate sensitive skin, with allantoin and botanical calmers.
Salicylic acid and willow bark extract are not recommended for eczema-prone skin. Those with rosacea should patch test first due to the alcohol and active ingredient content.
Ingredient breakdown
INGREDIENTSNiacinamide (Vitamin B3) ~3-5%Proven
A well-researched multitasker that brightens skin, evens tone, minimizes pores, strengthens the skin barrier, and regulates sebum production. Listed 4th in the INCI, indicating a meaningful concentration.
- Brightening: Inhibits melanosome transfer to reduce dark spots and post-acne marks over 8-12 weeks of use.
- Sebum Control: Studies show 2-5% niacinamide reduces sebum production and improves skin texture in oily skin types.
- Barrier Support: Stimulates ceramide synthesis to strengthen the moisture barrier and reduce transepidermal water loss.
Salicylic Acid (BHA) <0.5%Proven
An oil-soluble beta hydroxy acid that penetrates deep into pores to dissolve sebum plugs, exfoliate dead skin cells, and reduce inflammation. The gold standard for acne-prone skin.
- Pore Clearing: Oil-soluble nature allows it to penetrate and clean inside pores, reducing blackheads and whiteheads.
- Anti-Inflammatory: Structurally similar to aspirin, providing a calming effect on inflamed acne lesions.
- FDA Recognized: Concentrations of 0.5-2% are recognized as effective OTC acne treatments by the U.S. FDA.
Colloidal SulfurProven
A time-tested clarifying agent used in dermatology for decades. Helps regulate sebum, fight acne-causing bacteria, and maintain a clear complexion. Particularly effective for stubborn, cystic-type breakouts.
- Antibacterial: Exhibits antimicrobial properties against Cutibacterium acnes (the bacteria associated with acne).
- Keratolytic: Promotes gentle exfoliation of the outermost skin layer, preventing pore blockages.
- Sebum Regulation: Helps absorb and control excess oil production on the skin surface.
OvalicinPatented
Medicube's proprietary patented ingredient derived from a natural compound. Acts as an anti-inflammatory agent that targets acne-related redness and irritation. A key differentiator of the Red line.
- Anti-Inflammatory: Helps reduce skin redness and calm inflamed acne lesions at the cellular level.
- Skin Texture: Supports improved skin texture and promotes faster recovery from breakouts.
Beta-GlucanPromising
A powerful polysaccharide humectant derived from oats or yeast. Known for deep hydration and soothing properties. Helps repair the skin barrier while providing anti-aging and anti-inflammatory benefits.
- Hydration: Provides moisture comparable to hyaluronic acid with additional skin-soothing benefits.
- Wound Healing: Studies suggest beta-glucan can stimulate collagen synthesis and accelerate skin repair.
- Immune Support: Activates skin's immune cells to help fight infections and promote healthy cell turnover.
AllantoinProven
A gentle, well-tolerated soothing ingredient that calms irritation, softens skin, and promotes wound healing. Found naturally in comfrey root but typically produced synthetically for consistency.
- Soothing: Reduces irritation and redness, making it ideal for sensitized or acne-damaged skin.
- Cell Regeneration: Promotes healthy cell turnover and helps with the healing of acne scars and blemishes.
39 ingredients
Water, Methyl Gluceth-20, Alcohol, Niacinamide, Butylene Glycol, Beta-Glucan, Glycerin, Betaine, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Triethanolamine, Allantoin, Colloidal Sulfur, Chlorphenesin, Zanthoxylum Piperitum Fruit Extract, Pulsatilla Koreana Extract, Usnea Barbata (Lichen) Extract, Adenosine, Salvia Sclarea (Clary) Extract, Hyacinthus Orientalis (Hyacinth) Extract, Propanediol, Disodium EDTA, Zingiber Officinale (Ginger) Root Extract, Camellia Japonica Leaf Extract, Salicylic Acid, Phellodendron Amurense Bark Extract, Citrus Paradisi (Grapefruit) Seed Extract, Magnolia Officinalis Bark Extract, Sophora Angustifolia Root Extract, Citrus Paradisi (Grapefruit) Fruit Extract, 1,2-Hexanediol, Willow Bark Extract, Benzyl Alcohol, Lavandula Angustifolia (Lavender) Water, Borago Officinalis Extract, Chamomilla Recutita (Matricaria) Flower/Leaf Extract, Centaurea Cyanus Flower Extract, Ovalicin, Ethylhexylglycerin, Melaleuca Alternifolia (Tea Tree) Leaf Oil
Where it fits in your routine
ROUTINEUse morning and evening after cleansing. Pairs perfectly with the Medicube Red Serum and Red Cream for a complete acne-care routine. Always follow with sunscreen in the AM.
How to use
HOW TO USECleanse Your Face
Start with a gentle cleanser (like the Medicube Red Foam Cleanser) to remove makeup, sunscreen, and impurities. Pat dry with a clean towel.
Dispense an Adequate Amount
Pour a coin-sized amount of toner into your palms. The slightly viscous gel texture is best applied by hand rather than with a cotton pad for maximum absorption.
Gently Pat Into Skin
Press and pat the toner across your face, avoiding the eye area. Focus on areas prone to breakouts, redness, or excess oil. Do not rub aggressively.
Optional: Cotton Pad Compress
For extra soothing, soak a cotton pad with toner and place it on inflamed areas for 2-3 minutes as a calming compress. Great for sudden breakouts.
Continue Your Routine
Follow with your serum, moisturizer, and sunscreen (AM). Wait about 30 seconds after application for the toner to fully absorb before layering the next product.
Who is it for?
WHOPerfect for you if:
- You struggle with acne, breakouts, or hormonal blemishes
- Your skin is oily or combination and prone to excess sebum
- You have redness and irritation alongside acne
- You want a lightweight toner that preps skin for serums
- You prefer clinically tested, dermatologist-approved products
- You're looking for a K-beauty toner with proven actives
Consider alternatives if:
- You have very dry skin that reacts to alcohol in products
- You are pregnant or breastfeeding (contains salicylic acid)
- You have active eczema (BHA and willow bark may irritate)
- You are extremely sensitive to ethanol/alcohol in skincare
- You prefer fragrance-free products (contains lavender water and tea tree oil)
- You need a deeply hydrating toner for winter climates
Skin type compatibility
SKIN TYPESIdeal match. BHA, colloidal sulfur, and alcohol work together to control sebum, tighten pores, and leave a refreshed, matte finish without greasiness.
Balances oily T-zone areas while niacinamide and beta-glucan keep drier zones hydrated. Versatile enough for multi-zone concerns.
Purpose-built for acne. Non-comedogenic certified, BHA unclogs pores, ovalicin reduces inflammation, and sulfur fights breakout-causing bacteria.
Clinically tested for low irritation with allantoin and chamomile. However, alcohol content means a patch test is essential for very reactive skin.
Contains glycerin and betaine for hydration, but the alcohol and BHA may be too stripping for very dry skin. Layer with a rich moisturizer if used.
Results timeline
WEEKS 8-12Immediate Soothing & Hydration
Skin feels refreshed, hydrated, and less oily after each application. Redness begins to calm. The non-sticky finish is noticeable from the first use.
90% noticed refreshed feelingReduced Breakouts & Clearer Pores
Active breakouts begin to diminish. BHA and colloidal sulfur start clearing clogged pores. Skin texture becomes smoother and excess sebum is more controlled.
70% noticed fewer breakoutsVisible Skin Clarity & Even Tone
Niacinamide brightens post-acne marks. Overall skin tone appears more even. Pores look refined and sebum production is noticeably balanced throughout the day.
65% noticed brighter skin toneLong-Term Acne Management
Consistent use leads to significantly fewer breakouts, reduced redness, and improved skin barrier resilience. Best results when used as part of the full Medicube Red line.
60% noticed long-term acne reductionRatings by platform
1K+ REVIEWSPros & cons
BALANCEDPraised
- Effectively calms active breakouts and reduces redness quickly
- Clinically tested and non-comedogenic certified for peace of mind
- Lightweight, non-sticky texture absorbs fast and layers well
- Patented ovalicin ingredient sets it apart from generic BHA toners
- Helps with hormonal acne where other products have failed
- 19+ botanical extracts provide soothing alongside active treatment
- Paraben-free, sulfate-free, silicone-free formulation
Criticized
- Small 100ml bottle runs out quickly for a ~$30 product
- Alcohol is the 3rd ingredient, which can be drying for some
- Noticeable herbal/alcohol scent that some users dislike
- Not hydrating enough as a standalone step for dry skin
- Contains salicylic acid, making it unsuitable during pregnancy
- Some users experience initial purging in the first 1-2 weeks
Budget-friendly alternatives (dupes)
DUPESUses willow bark water and betaine salicylate instead of direct salicylic acid. Gentler formula without alcohol, but lacks ovalicin and colloidal sulfur. Good entry-level option for mild acne. 150ml for less than half the price.
Triple acid approach (AHA + BHA + PHA) with tea tree and niacinamide. More aggressive exfoliation but no sulfur or ovalicin. Alcohol-free formula. 150ml at a much lower price point. Better for surface-level texture concerns.
Higher BHA concentration (2%) for more potent pore clearing. Simpler formula without botanicals or sulfur. 200ml bottle offers better value per ml. More targeted toward blackhead removal than overall acne soothing.
Comparison with competitors
SIDE-BY-SIDEStorage & shelf life
12 MONTHS12 months after opening
Store in a cool, dry place away from direct sunlight. Keep the cap tightly closed after use. Avoid storing in humid bathrooms for best preservation.
Opaque plastic bottle with screw cap. The tinted packaging helps protect light-sensitive actives like niacinamide from degradation.
Yes, 100ml is TSA-compliant and under the 3.4 oz / 100ml carry-on liquid limit for air travel.
Frequently asked questions
FAQCaution is advised. The Medicube Red Toner contains salicylic acid (BHA) and willow bark extract, which are generally recommended to avoid during pregnancy. While the concentration is low (under 0.5%), most dermatologists recommend erring on the side of caution. During breastfeeding, the risk is lower, but consulting with your healthcare provider is still recommended before use.
Yes, the Medicube Red Toner is considered fungal acne safe. It does not contain fermented ingredients, problematic fatty acid esters, or polysorbates that commonly trigger malassezia overgrowth. The salicylic acid and colloidal sulfur may actually help manage fungal acne symptoms by keeping pores clear and controlling microbial activity on the skin.
The toner contains a low concentration of BHA, so layering with additional strong acids or retinol should be approached carefully. You can use it with niacinamide-based serums and vitamin C (ascorbic acid) without issue. For retinol, consider alternating nights — toner in the morning, retinol at night. Avoid layering with high-concentration AHA peels or strong BHA products to prevent over-exfoliation and irritation.
The Red Toner is specifically formulated for oily, combination, and acne-prone skin types. It excels at sebum control, pore clearing, and redness reduction. It also works well for sensitive skin that experiences acne, as the formula is clinically tested for low irritation. Dry skin types may find it insufficient alone for hydration and should pair it with a richer moisturizer.
Most users report immediate soothing and refreshing effects from the first use. Visible reduction in active breakouts typically occurs within 2-3 weeks. Skin tone evening and post-acne mark fading become noticeable around weeks 4-6. For optimal long-term acne management, consistent daily use for 8-12 weeks is recommended. Some users may experience mild purging in the first week.
Apply the Red Toner immediately after cleansing, as the second step in your routine. It goes before serums, essences, moisturizers, and sunscreen. For the Medicube Red line, the recommended order is: Red Foam Cleanser, Red Toner, Red Serum, then Red Cream. The toner helps prep the skin for better absorption of subsequent products.
No. The Medicube Red Toner is clinically certified as non-comedogenic, meaning it has been tested and confirmed not to clog pores. Its comedogenic rating based on ingredient analysis is 1 out of 5, which is very low. The BHA and colloidal sulfur in the formula actually help keep pores clear and prevent new comedones from forming.
The Medicube Red Toner has a Period After Opening (PAO) of 12 months. Once opened, it should be used within one year for optimal efficacy and safety. At the recommended usage of twice daily (AM and PM), the 100ml bottle typically lasts about 4-6 weeks. Store in a cool, dry place away from direct sunlight with the cap securely closed.
Verdict: The Medicube Red Toner is a well-formulated, clinically tested Korean toner that delivers on its promise for acne-prone and oily skin types. The combination of BHA, niacinamide, colloidal sulfur, and the patented ovalicin ingredient provides a multi-pronged approach to acne management that many generic BHA toners lack. The non-comedogenic certification and low-irritation clinical testing add credibility. However, the prominent alcohol content, relatively small bottle for the price, and pregnancy safety concerns hold it back from a perfect score. If you have oily or combination skin with acne and redness, this is an excellent toner to consider — but dry skin types and those sensitive to alcohol should explore the alternatives listed above.
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 |
Methyl Gluceth-20
Humectant, Moisturising
|
|
|
| 0 |
Alcohol
Antimicrobial, Astringent, Masking, Solvent
|
|
|
| 1 |
Niacinamide
Skin Conditioning, Hair Conditioning, Smoothing
|
Promotes Wound Healing
Redness
Irritation
Dark Spots
Pores
|
|
| 1 |
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
|
Hydrating
|








