As the monsoon season hits, moldy walls and musty closets become a nightmare. Standard dehumidifiers often aren’t enough—professional anti-mold products are the real secret. We’ve curated the best anti-mold spray recommendations and long-lasting essentials from Rakuten Japan.
Buying directly from Rakuten Japan not only offers the widest selection but is also significantly cheaper than local resellers! Simply shop online from overseas via Buy&Ship international forwarding and bring these exclusive essentials home with ease!
Table of Contents
→ I. Buy&Ship x Rakuten Exclusive Offer
→ II. Why Shop Anti-Mold Gear from Rakuten Japan?
→ III. Top Trending Anti-Mold Categories on Rakuten Japan
→ IV. Must-Buy Anti-Mold & Dehumidifying Essentials
→ V. Shopping Tutorial: How to Shop Rakuten JP & Ship to Singapore
I. Buy&Ship x Rakuten Exclusive Offer
| Buy&Ship x Exclusive Rakuten Japan Coupon 1 | Promotion Details | |
|---|---|---|
| Promotion Type | Rakuten Japan Shopping Coupon | |
| Validity Period | 2026/03/01 00:00 ～ 2026/03/31 23:59 (JST) *Please be noted that it’s in Japan time, which is one hour faster than Singapore. | |
| Discount | JPY398 off a single order of JPY3,980 or above | |
| Applicable Shops | Over 50,000 shops on Rakuten Japan | |
| Terms and Conditions | Limited to the first 2,500 eligible orders on a first-come-first-served basis 💡 Each Rakuten user can use 4 times Can be used in conjunction with Rakuten Points and before deductions are made Cannot be used in conjunction with other coupons Vouchers are only valid for Rakuten Japan orders shipped to Buy&Ship’s Japanese warehouse address. | |
| Get Coupon | Click Here | |
| Buy&Ship x Exclusive Rakuten Japan Coupon 2 | Promotion Details | |
|---|---|---|
| Promotion Type | Rakuten Japan Proxy Shopping Coupon | |
| Validity Period | 2026/03/01 12:00 至 2026/03/31 23:59 (MYT) | |
| Offer Details | 8% Off Rakuten JP Proxy Orders | |
| Promo Code | SG326RAKU | |
| Promo Code | Please visit the Promo Code Center to view the terms and conditions. | |
II. Why Shop Anti-Mold Gear from Rakuten Japan?
When facing the extreme humidity of the tropics or prolonged rainy seasons, many families prefer to shop on Rakuten Japan for three main reasons:
- BIO Technology: Uses natural microorganisms to inhibit mold—safe for kids and pets.
- Tropical Climate Ready: Advanced Japanese formulas outperform generic desiccants in high-humidity regions.
- Bulk Savings: Enjoy “Professional Use” packs and exclusive coupons for maximum value.
III. Top Trending Anti-Mold Categories on Rakuten Japan
To help you shop with precision, we’ve categorized the top four non-charcoal-based anti-mold categories. You can use these Japanese keywords to search on Rakuten:
| Category | Japanese Keyword | Best For |
| Microbial Patch | バイオ 防カビ | Bathrooms, AC, Closets |
| Dehumidifying Sheet | 吸湿シート | Coats, Storage Boxes |
| Pro Anti-Mold Spray | 防カビ剤 スプレー | Walls, Curtains, Leather |
| High-Capacity Bag | 強力除湿剤 袋 | Shoe Racks, Basements |
IV. Must-Buy Anti-Mold & Dehumidifying Essentials
Cogit Power Bio Anti-Mold Series (Set of 4)
A long-time eco-friendly bestseller in Japan, using natural enzymes to suppress mold and odors. Simply stick it to the ceiling or a flat surface for up to 6 months of protection. Perfect for windows, bathrooms, air conditioners, and washing machines.
Local Ref. Price: S$18 per piece
JP Price (4-pack): S$28（JPY3,250）
Maruwa Reusable Hanging Sheets (2-pack)
Utilizing high-efficiency silica gel, this slim hanging design saves space while absorbing moisture and odors. It features a color-coded moisture indicator and can be reused after being dried. An ideal choice for preventing “musty closet smell” in tropical climates.
Not available locally
JP Price: S$27（JPY3,080）
Maruwa Mattress Dehumidifying Pad
Ranked No. 1 on Rakuten, this pad boasts a 780g moisture absorption capacity. It effectively prevents mold and dust mites while neutralizing sweat odors. Includes a sensor to notify you when to sun-dry it. Durable for up to 15 years.
Not available locally
JP Price: S$56（JPY6,380）
3off High-Concentration Anti-Mold Gel (150ml)
The ultimate “lazy” anti-mold solution. Using patented gas diffusion technology, it reaches every corner of your closet or storage unit to provide anti-mold, deodorizing, and antimicrobial effects. The fragrance-free formula lasts 2-3 months.
Not available locally
JP Price: S$14（JPY1,680）
3off Pro Anti-Mold & Deodorizing Spray (300ml)
Famous for its “Ultra-Fine Atomization,” this spray evenly coats clothing, shoes, or furniture to rapidly neutralize odor molecules. It’s the safest and most efficient Japanese-made choice for creating a protective barrier against mold on high-value items.
Not available locally
JP Price: S$17（JPY1,980）
Rakuten Japan Member Unboxings & Reviews
Over 400 customers have used Buy&Ship to score great deals on Rakuten Japan and shared their unboxing experiences! Check out real member reviews to easily find the best-value items and your next favorite buys.
Note: Prices and availability may change. All product information is subject to the seller’s listing.
V. Shopping Tutorial: How to Shop Rakuten JP & Ship to Singapore
Step 1
Go to Buy&Ship website to log in or register as a member.
Step 2
Fill in your first and last name, email address and set your account password. Click “Sign Up” once details are completed.
Step 3
Browse on Rakuten Japan to pick your favourite item, you can add item into your cart or checkout immediately.
Step 4
Go to your shopping cart, select “茨城県 (Ibaraki Prefecture)” as the shipping location from the upper right corner.
Check and make sure correct items are added into cart, and proceed.
Step 5
Sign into your Rakuten account. If you’re not a Rakuten member, you can register as a member below by filling in the form.
Learn more: Step-by-Step Guide on Rakuten and How to Register As Member
Step 6
Fill in delivery address. Go to the “Overseas Warehouse Address” on your Buy&Ship member centre and select “Japan” to view the information of Buyandship’s Japan warehouse.
In the name session, please enter your name and Buy&Ship membership number (e.g. MYXXXXXX). For the “フリガナ“, you need to convert your name into Japanese Katakana (click here to convert). Once it’s converted, copy and paste it onto the name bar.
Step 7
You can choose whether to register as a member on Rakuten. If you don’t want to register, you can click the second box “楽天会員に登録しない”.
It’s highly recommended to register as a member if you shop often on Rakuten as you can save payment and shipping details on your account for faster checkout next time, and earn points!
Set your password if you proceed with registration.
Step 8
Proceed onto payment page, fill in your credit card information to settle the payment, and then click “次へ”.
Step 9
Confirm your order information, and then click “OK” (the red box shown). You’ll receive email confirmation once order is submitted.
Step 10
Once you’ve received a shipping notification email from Rakuten, go to your member centre and declare the shipment on Buy&Ship to receive your package as soon as possible!
💡 Members can purchase Buy&Ship Plus during the parcel declaration process. The fee will be 3% of the declared value of your parcel, which will be collected together with the delivery fee (minimum of RM15 will be charged).