Skin Lotion Bigansui
Skin Lotion Bigansui
Product Description
A cult-classic Japanese medicated toner first launched by Meishoku Brilliant Colors in 1885 and still made to nearly the same formula today. This watery "beauty water" (Bigansui means "beautiful face water") pairs exfoliating salicylic acid (BHA) with antibacterial homosulfamine to clear pores, calm active breakouts and rein in excess oil โ a no-frills, ultra-affordable spot treatment for oily and acne-prone skin.
โจ Texture & Feel
BHA Pore Exfoliation
Oil-soluble salicylic acid sinks into pores to dissolve dead cells, sebum plugs and blackheads.
Antibacterial Action
Homosulfamine targets acne-causing bacteria, helping calm and prevent fresh breakouts.
Sebum & Shine Control
Astringent watery formula mattifies oily skin and helps keep midday shine in check.
140-Year Legacy
A drugstore icon trusted by generations of Japanese teens since 1885 โ with a minimalist 6-item formula.
๐ก๏ธ Safety & Compatibility
Contains leave-on salicylic acid (BHA), denatured alcohol and fragrance. Many clinicians advise limiting BHA during pregnancy โ check with your OB/healthcare provider first.
No esters, fatty acids, polysorbates or fermented ingredients that feed malassezia โ safe for fungal-acne-prone skin.
Alcohol helps it dry fast and feel refreshing, but it can be drying or stinging on already-dry or compromised skin.
Geraniol is a known EU-listed fragrance allergen. Patch test if you have reactive or fragrance-sensitive skin.
None of the ingredients are known pore-cloggers โ it will not contribute to clogged pores.
Salicylic acid does not increase photosensitivity, but daily broad-spectrum SPF is still strongly recommended.
๐ฌ Ingredient Breakdown
๐งช Salicylic Acid (BHA) ~0.5โ2% Proven
The hero active and first-listed ingredient. An oil-soluble beta hydroxy acid that exfoliates the skin's surface and reaches inside pores to clear buildup, control oil and reduce inflammation โ the gold standard for blackheads and acne-prone skin.
- FDA: Concentrations of 0.5โ2% are recognized as over-the-counter acne actives.
- Mechanism: Being oil-soluble, it penetrates sebum-filled pores where water-soluble AHAs cannot.
- Bonus: Structurally similar to aspirin, giving it soothing, anti-inflammatory properties.
๐ง Propylene Glycol Solvent base Proven
A colorless, odorless humectant and solvent that helps the skin hold moisture, carries the active ingredients deeper, and adds mild antimicrobial stability to extend the product's life.
- Role: Humectant, solvent and penetration aid for the salicylic acid.
- Stability: Adds antimicrobial properties that help preserve the formula.
๐น Geraniol <1% fragrance Caution
A naturally derived, rose-scented fragrance component (found in rose and citronella oils) that gives Bigansui its signature herbal-floral aroma. It is also a natural insect repellent.
- Source: A monoterpenoid alcohol present in many essential oils.
- Note: Listed as a declarable allergen under EU cosmetic regulations.
๐งด Parfum / Fragrance Trace Caution
A catch-all term for the scent blend that gives the toner its traditional medicated-herbal smell. Fragrance is unregulated as a single term, so the exact mixture is proprietary to Meishoku.
- Function: Adds and masks scent for a pleasant application experience.
- Heads-up: Fragrance blends can include known allergens such as linalool and citronellol.
6 ingredients
Salicylic Acid, Homosulfamine, Propylene Glycol, Alcohol (Denat.), Geraniol, Fragrance (Parfum).
๐ Where It Fits in Your Routine
Use right after cleansing as a treatment step. Because it is exfoliating and drying, always follow with a hydrating layer and moisturizer โ and SPF in the morning.
๐ How to Use
Cleanse first
Wash and pat your face dry (or apply after shaving) so the active can work on clean skin.
Soak a cotton pad
Dampen a cotton pad with a coin-sized amount of the watery lotion.
Gently wipe or spot-treat
Press and sweep over oily zones, or dab directly onto individual blemishes and breakout-prone areas.
Don't leave it as a mask
Let it dry, then follow with a hydrating toner and moisturizer to offset the alcohol. Do not leave soaked cotton on the skin.
Start slow & protect
Begin once daily (or every other day), build up as tolerated, and wear daily SPF.
๐ค Who Is It For?
โ Perfect for you if:
- You have oily, combination or acne-prone skin
- You battle blackheads, clogged pores and frequent breakouts
- You want an affordable, no-frills BHA spot treatment
- You deal with body or back acne
- You live in a hot, humid climate and fight midday shine
โ Consider alternatives if:
- You have dry or dehydrated skin
- Your skin is sensitive, reactive or has a compromised barrier
- You are fragrance-sensitive or react to geraniol
- You are pregnant or breastfeeding (without provider sign-off)
- You want a hydrating, soothing toner
๐ฏ Skin Type Compatibility
The ideal match โ exfoliates, degreases and mattifies oily, congested skin.
Non-comedogenic and fungal-acne safe; BHA + homosulfamine target spots fast.
Great on the T-zone; apply only where needed and skip drier cheeks.
The alcohol base can be too stripping โ expect tightness without heavy moisturizing.
Fragrance (geraniol) plus alcohol make this a higher-irritation pick โ patch test or avoid.
๐ Results Timeline
Cooling, mattifying feel
An aftershave-like tingle on application; skin feels instantly cleaner and less greasy.
Most users noticeActive blemishes shrink faster
Reviewers report existing spots flattening and drying up more quickly when dabbed on.
~60% noticedFewer breakouts, smoother texture
With consistent use, oil is better controlled and the skin feels refined and less congested.
~50% noticedClearer, more even skin
Pores look cleaner and breakouts less frequent โ provided the barrier is kept hydrated.
~45% noticedโญ Ratings by Platform
โ๏ธ Pros & Cons
โ Praised
- Fast-acting on active pimples and blemishes
- Extremely affordable to repurchase
- Effective oil and sebum control
- Simple, fungal-acne-safe, non-comedogenic formula
- Works on body and back acne too
- 140-year cult track record in Japan
โ Criticized
- Contains drying denatured alcohol
- Fragranced with geraniol โ allergen risk
- Too harsh for dry or sensitive skin
- Strong, polarizing medicated scent
- Small bottle size
- No hydrating or barrier-supporting ingredients
๐ฐ Budget-Friendly Alternatives (Dupes)
Pre-soaked 2% BHA pads used as a wipe โ the closest in spirit to Bigansui's swipe-on method. Fragrance-free and even cheaper per use, though also alcohol-based.
A true 2% salicylic acid treatment at a low price, fragrance-free. More of a leave-on serum than a watery wipe, and not for full-face flooding.
Uses 4% betaine salicylate (a gentler BHA) plus niacinamide and hyaluronic acid. Far more hydrating and fragrance-light โ better for sensitive skin.
๐ Comparison with Competitors
Meishoku Bigansui (Featured)
$19.99Paula's Choice 2% BHA Liquid
$35.00COSRX BHA Blackhead Power Liquid
$25.00Stridex Maximum Strength
$8.49๐ฆ Storage & Shelf Life
About 12 months after opening; Meishoku suggests finishing a bottle within a single season. Unopened, it keeps ~3 years from the manufacturing date.
Store in a cool, dry place away from direct sunlight and high heat; close the cap tightly after use.
Signature navy-blue glass bottle with a screw cap โ a non-airless format, so avoid contaminating the opening.
Yes โ the 90 ml bottle is under the 100 ml carry-on liquid limit (glass, so pack with care).
โ Frequently Asked Questions
Use caution. It is a leave-on toner with salicylic acid (BHA) plus denatured alcohol and fragrance. While low-level topical salicylic acid is often considered low-risk, many clinicians advise minimizing BHA during pregnancy and breastfeeding. Talk to your OB or healthcare provider before using it.
Yes. The formula has no esters, fatty acids, polysorbates or fermented ingredients that feed malassezia yeast, so it is considered fungal-acne safe.
Bigansui already contains BHA, so don't stack it with another exfoliating acid on the same area. Avoid layering it directly with retinol or potent vitamin C, as combining actives raises irritation risk โ alternate them on different days or times instead.
It is best for oily, combination and acne-prone skin, especially in hot, humid weather. Dry and sensitive skin types should be cautious or choose a gentler, fragrance-free, alcohol-free BHA.
Many users see individual blemishes shrink within 1โ2 weeks of spot use. Broader improvements in oiliness and texture typically appear after about 4 weeks, with clearer skin over 8โ12 weeks of consistent use.
Use it right after cleansing as a treatment step, before hydrating toners, serums and moisturizer. Because it is exfoliating and alcohol-based, always follow with hydration and use SPF in the morning.
No. It rates 0/5 on the comedogenic scale โ none of its ingredients are known pore-cloggers. In fact, the salicylic acid actively helps unclog pores.
Roughly 12 months after opening, though Meishoku recommends finishing a bottle within one season for best results. Unopened, it stays good for about 3 years from the manufacturing date.
Verdict: Meishoku Bigansui is a brilliantly simple, dirt-cheap salicylic-acid spot treatment that has earned its 140-year cult status for one reason โ it works fast on oily, acne-prone skin. If you live in a humid climate or want a quick dab-on for emerging blemishes, it's hard to beat for the price. The trade-off is the denatured alcohol and geraniol fragrance, which make it too drying and potentially irritating for dry or sensitive skin. Pair it with proper hydration and SPF, patch test first, and reach for a fragrance-free, alcohol-free BHA if your barrier runs delicate.
Product Overview
What are Quick Product Notes?
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.
Pro Tip Alert!
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
Paraben-Free
Paraben-Free
Understanding Parabens
Parabens are a large group of preservatives which are used to prevent bacteria growing in cosmetic formulations. There has been some healthy controversy surrounding them due to a few studies finding paraben presence in breast tumours and breast tissue. However, the majority of the scientific community have deemed these findings non-conclusive due to the limitations of these studies. There's still a lot of support for avoiding parabens following the better safe than sorry route. If you do we completely support you! If you are concerned about the health safety of parabens, then feel free to avoid them by looking out for the Paraben-Free icon. If not, don't worry about it - they do have had one of the longest safety records as preservatives!
Which Ingredients are classified as Paraben?
A product will be paraben-free if it does not contain any of the following parabens:
- Sodium Isobutylparaben
- Sodium Ethylparaben
- Sodium Butylparaben
- Propylparaben
- Isopropylparaben
- Isobutylparaben
- Sodium Propylparaben
- Butylparaben
- Ethylparaben
- Sodium Methylparaben
- Methylparaben
Sulfate-Free
Sulfate-Free
Understanding Sulfates
Sulfates are a large group of ingredients which act as cleansing agents in Cosmetics. They help loosen up the dirt and grime from your skin and hair to allow for water to wash it away with ease. However some sulfates are so good at their job, they can wash off your skinโs own natural oils that keep it moisturised and protected which can lead to dryness and irritation. Most people will find no issues with sulfate, however if you find your skin doesn't like sulfates then free feel to avoid them by looking out for the sulfate-free icon on Skincarisma.
Which ingredients are classified as sulfates?
We've taken the Sulfates which are considered more harsh for our Sulfate-Free status. A product will be Sulfate-Free if it does not contain any of the following Sulfates:
- TEA-Dodecylbenzenesulfonate
- Ammonium Laureth Sulfate
- Sodium Lauryl Sulfate
- PEG-15 Cocamine
- Sodium Laureth Sulfate
- Sodium Cocoyl Sarcosinate
- Sodium C14-16 Olefin Sulfonate
- Dioctyl Sodium Sulfosuccinate
- Ammonium Xylenesulfonate
- Ammonium Lauryl Sulfate
- Sodium Xylenesulfonate
- Sodium Myreth Sulfate
- Sodium Lauryl Sulfoacetate
Alcohol-Free
Alcohol-Free
Understanding Simple Alcohols
Alcohol ingredients are widely used in cosmetics and come in different types. For the most part alcohols are not problematic at all. However one type of alcohols, simple alcohols can be quite drying to the skin because it evaporates very quickly. This can cause irritation which can also lead to other skin complications. These alcohols should never be used alone on your skin, but combined with other cosmetic ingredients, they are normally without issue. However, for some people with sensitive and easily irritable skin, avoiding products with these simple alcohols may be beneficial. If you find your skin doesn't like these simple alcohols, then free feel to avoid them by looking out for the Alcohol-Free icon.
Which Ingredients are classified as Alcohol?
A product will be alcohol-free if it does not contain any of the following alcohol ingredients:
- SD Alcohol
- Alcohol Denat
- Isopropyl Alcohol
- Alcohol
Silicone-Free
Silicone-Free
Understanding Silicones
If you've ever used a skincare, makeup or beauty product that's made your skin look and feel smoother tempoarily - it's likely contained Silicone. They are a popular class of ingredients found in cosmetics due to their smooth, soft, easy-to-spread and smooth properties that help creates an artificial layer/barrier on top of skin or hair (commonly found in conditioners).
For the same reasons they are popularly used, they are also commonly avoided. Anecdotally, many individuals have reported that Silicones cause/excerbate breakouts, irritation, cause a feeling of skin being unable to breathe, cause clumping of cosmetic products and find it difficult to wash off. As a result, those who find them problematic are avoiding them and increasingly, cosmetic companies are avoiding them as well.
If you have had bad experiences with Silicones in the past, or suspect they are problematic then look out for the tick on the Silicone-free label.
Disclaimer
The Silicone-free label only includes the most common Silicone ingredients that have indentified been reported by individuals that could potentially cause issues.
These include: Amodimethicone, Behenoxy Dimethicone, Bis-Aminopropyl Dimethicone, Cetearyl Methicone, Cetyl Dimethicone, Cyclomethicone, Cyclopentasiloxane, Dimethicone, Dimethicone Copolyol, Dimethiconol, Methicone, Phenyl Trimethicone, Phenyl Trimethicone, Stearoxy Dimethicone, Stearyl Dimethicone, Trimethylsilylamodimethicone.
Note, that this does not include all ingredients part of the Silicone class of ingredients.
EU Allergen-Free
EU Allergen-Free
Understanding the Identified Contact Allergens
The EU's Scientific Committee on Consumer Safety (SCCS) has identified and established 26 cosmetic ingredients that are likely contact allergens (potential to cause skin allergies) as demonstrated in clinical or epidemiological studies. The EU's SCCS have recommend cosmetic companies to disclose them on the labels if used and in cases where the concentration exceeds 0.001% in leave-on products and 0.01% in rinse-off products, then they must be labelled.
Look out for the tick on the EU-Allergen free label to know your cosmetic is free from any of the 26 identified cosmetic ingredients.
For more information regarding the EU's Scientific Committee on Consumer Safety, please visit their official website.
Disclaimer
The EU Allergen Free label is for the 26 ingredients identified by the EU SCCS and products will be only flagged if a suspected ingredient is on it's ingredient list. It is possible for cosmetics to contain one of the suspect ingredients without it appearing on the ingredient list due to it not reaching the concentration threshold to disclose it and cosmetic manufacturers choice to not disclose it.
Also note, the EU Allergen Free label is not personalized for your own allergies you may have and it does not constitute as medical advice. For your specific case, always consult your medical professiona such as dermatologist, physician, pharmacist, or health care provider - please read our medical disclaimer for more information.
Fungal Acne (Molassezia) Safe
Fungal Acne (Molassezia) Safe
Understanding Fungal Acne (Pityrosporum Folliculitis/Malassezia Folliculitis)
Pityrosporum Folliculitis/Malassezia folliculitis or simply known as Fungal Acne is a persistent acne-like condition that commonly responds poorly to traditional acne-treating methods. Unlike most cases of Acne where bacteria is the culprit, Fungi is the culprit of Fungal Acne (Hence the name!). There are certain classes & groups of ingredients that have been shown to promote and feed the growth of the Fungal Acne, Fungi such as fatty acids, oils, esters, polysorbates and fermented ingredients.
For more information regarding Fungal Acne, please visit Simple Skincare Science (f.c) - #3 of our Recommend Skincare Resources for an amazing comprehensive guide!
Please Read: How to use the Fungal Acne (Malassezia) Label
At SkinCarisma, we've done our best to identify as many ingredients as possible but note the fungal-free label may not be 100% accurate due to the complexconditions and combination of ingredients that malezzeria can thrive on.
Additionally, products that may contain ingredients that have shown to feed Malassezia may not neccessarily exacerbate the condition due to concentration of ingredient used in the product, this information is simply not available on the products.
As a result, please note this is only an experimental label that can be best used to possible identify problematic products you have used in the past. It is in no way a perfect identifier nor a predictor in whether or not it will exacerbate or cause fungal acne. It will continue to be worked on as more information and research comes to light.
If you find any ingredients you believe should be included, please email us at snails@skincarisma.com.
Disclaimer
Due to the lack of substantial research into this area it is very likely there are other ingredients and class/groups of ingredients that could feed Fungal Acne which have not been indentified.
The Fungal-Safe label does not constitute as medical advice. For your specific case, always consult your medical professiona such as dermatologist, physician, pharmacist, or health care provider - please read our medical disclaimer for more information.
What are Notable Effects & Ingredients?
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 ยซpromisesยป 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.
Pro Tip Alert!
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
Brightening from 1 ingredient(s):
Ache-fighting from 1 ingredient(s):
What are Ingredients Related to Skin Type?
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.
Pro Tip Alert!
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
Dry Skin
Oily/Acne-Prone Skin
Sensitive Skin
What is the Ingredient Safety Breakdown?
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.
Pro Tip Alert!
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 |
|---|---|---|---|
| 4 |
Salicylic Acid
Skin Conditioning, Masking, Fragrance, Hair Conditioning, Antidandruff Agent, Antiacne Agent, Denaturant, Preservative, Exfoliant, Keratolytic, Corn/Callus/Wart Remover
|
Brightening
Ache-fighting
Pores
|
|
| 0 |
Geraniol
Perfuming, Tonic
|
|
|
| 3 |
Propylene Glycol
Solvent, Skin Conditioning, Fragrance, Humectant, Viscosity Controlling, Viscosity Decreasing Agent, Skin-Conditioningagent - Miscellaneous
|
Hydrating
|
|
| 0 |
Parfum
Masking, Perfuming
|
|