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Article: 【Precautions Before Using Denim Products】 Preventing Denim Color Transfer

【Precautions Before Using Denim Products】 Preventing Denim Color Transfer

【Precautions Before Using Denim Products】 Preventing Denim Color Transfer

Hello! I'm Tamasato ☺️

This time, I tried fading the Okayama denim shoulder bag introduced in the previous article by myself!
I will explain the origin of Okayama denim, why denim fades, and the measures to take at the beginning to minimize fading. I hope you enjoy it! 😊

 

What is Okayama Denim?

First of all, what is "Okayama Denim"? Okayama Denim refers to denim produced in two regions: Ihara (near Ihara City) and Kojima (Kurashiki City) in Okayama Prefecture. Sometimes it is also referred to as Ihara denim and Kojima denim.

It uses naturally dyed indigo denim. The technique known as "core white," intentionally leaving the center part undyed during the dyeing process, has received high praise domestically and internationally. Almost all processes, including spinning (turning fibers into threads), dyeing, weaving, and processing, required for making denim are completed in this region. "Okayama Denim" truly adheres to Japanese craftsmanship, produced by artisans with high skills and quality control.

 

Indigo Dyeing

"Indigo dyeing" is the process of dyeing using the "indigo" component contained in the "blue" of plants, and the often heard "indigo dyeing" refers to the process of dyeing using chemical dyes. "Indigo dyeing" is challenging because it uses natural plants, requiring highly skilled techniques to achieve stable dyeing. However, Okayama denim maintains stable dyeing and quality despite using natural indigo dye, which is why the brand is highly regarded. While denim dyed with indigo doesn't fade easily, it may transfer a slight blue tint, especially when rubbed against light-colored or damp items. As all denim products from Hallelujah use Okayama denim, this concern may arise when using these products. Therefore, before using denim products to minimize fading as much as possible, we will introduce an easy fading and anti-fading method that you can do at home! 😊

Fading Condition

First, before fading, we tested the degree of fading without any treatment in the new state.

First, we rubbed with a dry cloth 30 times!
There was some fading 🧐

Next, we used a wet cloth and also rubbed 30 times. It became very blue!! Even with a dry cloth, it turned slightly blue, and with a wet cloth, it became very blue. To reduce this fading to some extent, we will perform "fading."

 

Fading

The main purpose is to fade to some extent before wearing indigo or dyed denim to prevent fading from affecting other clothes or sneakers. So, let's get started!

Preparation

Waterproof spray / Salt / Vinegar / Laundry detergent
These are the things you need. These are things you probably already have at home or are easily accessible!

Waterproof spray:
After soaking the fabric in water and fading, use a waterproof spray to prevent the leather tags from turning blue.

Soak in saltwater:
Before fading, soak the fabric in saltwater. You might wonder, salt?
But it is said that salt has the property of closing the dye used for denim into the fibers and fixing it.

For 1 liter of water, add a large tablespoon of salt. Keep it soaked, let it stand for 1 hour. After an hour, drain the water. It is worth noting that if the soaking time exceeds 1 hour, metal hooks and belt loops may be damaged by salt, so please adhere to the time.

Soak in vinegar water:
After soaking in saltwater, soak it in water mixed with vinegar. Laundry detergent used in subsequent steps is alkaline, and alkalinity removes oils and dirt from denim. Since the oil content has already disappeared, vinegar with acidity is used to neutralize the alkalinity.

Again, for 1 liter of water, add a large tablespoon of vinegar. Soak again for 1 hour. After an hour, drain the water.

Remove adhesive

Next, to keep the denim fabric tensioned, we will remove the adhesive soaked in it. Mix laundry detergent in warm water and soak for 1 hour.

The amount of laundry detergent to be used depends on the need.
You don't need to add too much.

After 30 minutes...

Adhesive appears, and the water becomes cloudy
😳 After 1 hour...

More adhesive has surfaced compared to before. Now, 1 hour has passed, and it can be rinsed.

Rubbing and cleaning

First, drain the dirty hot water, then rinse off the detergent and surfaced adhesive soaked in denim.

Accumulate water, rub, drain the water.
We repeat this process 3 times.


Water after washing. With an increase in the number of repetitions, the color change has become lighter 🧐

Drying

After cleaning, let it air dry.

Unfortunately, the weather was bad that day, so I could only dry it indoors 🥺 It dried surprisingly quickly when placed under the heater, in a surprisingly short amount of time!

The appearance after drying. Since the original fabric texture is good, there is not much deformation. Even after removing the adhesive, the texture remains tense ☺️


Although we rubbed

So, let's check the color transfer after fading this time 🧐

Just like in the beginning, we rubbed it 30 times with a dry cloth. Surprisingly! Despite the cloth being white, it hardly turned blue ☺️ The fading effect worked!

In addition, we also tried wiping it with a wet cloth. Although it faded slightly compared to the beginning, it still had a considerable amount of blue. Therefore, I believe color transfer is difficult to avoid when wet items are rubbed.

Finally, Based on the results of this experiment, we found that performing color removal can prevent color transfer to some extent!

Furthermore, after some investigation, I discovered that using waterproof spray before wearing can make the fabric resist water. Therefore, even in light rain or during summer sweating, the clothing can increase its durability.

Waterproof spray has two methods: "use before each outing" and "spray and dry before sunny days." So, please choose the appropriate spray frequency according to your usage 😊

Although color transfer has been somewhat reduced, it is not entirely eliminated. Therefore, if worn with white or light-colored clothing, please be extra cautious.

Thank you for reading until the end 😌

Goodbye 🥰

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