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.

Perwoll Renew Advanced | Desertcart Slovakia

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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€ 168.67

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

Description

🖤 Keep your blacks bold and your wardrobe fresh — because fading is so last season!

VERSATILE USE - Perfect for both hand and machine wash, adapting to your laundry routine effortlessly.
24 WASH LOADS POWER - Generous 1.4L liquid volume delivers 24 effective washes for long-lasting value.
TRUSTED BY THOUSANDS - Rated 4.5 stars by 1,870 users who swear by its fabric-renewing magic.
DEEP CLEAN GENTLE CARE - Advanced stain removal that protects your black & dark fabrics from fading.
SENSITIVE SKIN FRIENDLY - Fragrance-free and bleach-free formula minimizes irritation and allergic reactions.

Perwoll Black & Fiber Renew Advanced is a 1.4L liquid detergent designed for 24 wash loads, specially formulated to remove stains while preserving the intensity of black and dark fabrics. Its fragrance-free, bleach-free composition is gentle on skin and suitable for both hand and machine washing, earning a strong 4.5-star rating from nearly 2,000 customers.

Specifications

ASIN	B084HGFX3J
Benefits	Advanced stain removal & fabric care, Unscented
Brand	Perwoll
Brand Name	Perwoll
Customer Reviews	4.5 out of 5 stars 1,870 Reviews
Formulation Type	Regular
Global Trade Identification Number	04015000969819
Item Dimensions	9.2 x 14.2 x 27.3 centimetres
Item Form	Liquid
Item Weight	1.46 Kilograms
Item form	Liquid
Liquid Volume	1.4 Litres
Material Features	Fragrance Free
Material Type Free	Bleach Free
Material feature	Fragrance Free
Model Number	P24BF
Number of Items	24
Part Number	P24BF
Scent	Unscented
Skin Type	All
Specific Uses For Product	Hand Wash, Machine Wash
Unit Count	1440 millilitre
Unit count	1440 millilitre

Reviews

E**J

5x From the real price!

Unacceptable

13.10.2024

B**I

Good

12.10.2024

T**T

Magic Potion, I am telling ya!

There is some serious German witchery going on. My faded dark silk and cotton outfits are restored to their former glory. How is it even possible and how it works, I know not, but this chemical concoction works miracles. I wish there was something as effective for eradication wrinkles and greying hair. Until such time these things are invented, I’ll have to be content with this magical detergent for now.

19.11.2023

M**E

Great Product

Great product! Keeps my dark clothes dark, and helps with pilling. Also, it makes my clothes soft with a nice scent.

30.03.2026

G**N

Blir inte så bra mörk toning men bra tvättresultat.

Gör bra tvättarbete, hade hoppas på mer "toning" av mörka plagg.

16.04.2026

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TrustScore 4.5 | 7,300+ reviews

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I loved the variety of products available. Will definitely shop again.

2 months ago

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1 week ago

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€ 168.67

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered 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 Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago