Will this stain or darken lighter-colored clothes?

No, it should not. It simply helps to keep your darks from fading with washes. Great product.

Does it help darken blue jeans? What if they are two-toned faded on purpose?

I does not darken the colors it just keeps them from fading as quickly as when you use regular detergent.

Can this be used on HE washers?

There are instructions for HE washers on the back of the bottle

Will it discolor white lettering on dark clothes?

I've used Perwoll for several years, and never had any discoloration. I think the product is great.

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Perwoll Black & Fiber renew Advanced, (Wash Loads) P24BF 24

Product ID: 621212716

Details

Brand
Perwoll
Item dimensions L x W x H
9.2 x 14.2 x
Item form
Liquid
Liquid volume
1.4 Litres
Material Type Free
Bleach Free
Material feature
Fragrance Free

🖤24 wash loads

🧴1.4L liquid volume

⚙️Fiberx-tech formula

$166.54

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In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Keep your blacks bold and your style sharper than ever!

GENTLE YET POWERFUL - Fragrance-free, bleach-free formula cares for sensitive skin and fabrics
ECONOMICAL EFFICIENT - 1.4L bottle covers up to 24 wash loads with precise dosing
TRUSTED GERMAN QUALITY - Manufactured in Germany with a 4.5-star rating from nearly 1,900 users
PRESERVE YOUR DARK WARDROBE - Advanced Fiberx-tech locks in color brilliance wash after wash
LONG LASTING COLOR INTENSITY - Revives and maintains deep blacks in just a few washes

Perwoll Black & Fiber Renew Advanced is a premium, fragrance-free liquid detergent designed specifically to protect and revive dark fabrics. Featuring an innovative Fiberx-tech formula, it prevents fading and smooths fibers to maintain color brilliance. Each 1.4L bottle provides up to 24 wash loads, making it an efficient choice for maintaining your wardrobe’s sleek, professional look. Made in Germany and highly rated by users, it’s the go-to solution for millennial professionals who demand lasting style and fabric care.

Specifications

ASIN	B084HGFX3J
ASIN	B084HGFX3J
Benefits	Advanced stain removal & fabric care, Unscented
Brand Name	Perwoll
Customer Reviews	4.5 4.5 out of 5 stars (1,896)
Customer reviews	4.5 4.5 out of 5 stars (1,896)
Formulation Type	Regular
Global Trade Identification Number	04015000969819
Guaranteed software updates until	unknown
Item Dimensions	9.2 x 14.2 x 27.3 centimetres
Item Form	Liquid
Item model number	P24BF
Liquid Volume	1.4 Litres
Manufacturer	Perwoll
Manufacturer	Perwoll
Material Features	Fragrance Free
Material Type Free	Bleach Free
Model Number	P24BF
Number of Items	24
Package Size Name	24 washes
Part Number	P24BF
Product Dimensions	9.2 x 14.2 x 27.3 cm; 1.45 kg
Scent	Unscented
Skin Type	All
Specific Uses For Product	Hand Wash, Machine Wash
Unit Count	1440 millilitre

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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4 days ago

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$166.54

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

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