T-shirt · Stain-Dye · Lac Dye / Soda · Women's
Naturally dyed T-shirt made from 100% organic cotton. Each piece is individually crafted in the studio.
Hand-dyed
Natural dyes
Individually manufactured
Brief description:
Hand-dyed T-shirt using the stain-dye process with lac dye extract and soda; the color formation occurs through local contact reactions on pre-mordanted cotton.
Fit:
- Women's Boxy Fit (shorter, wider, runs large)
Technical description:
Materials & Preparation
- Fiber: 100% combed ring-spun organic cotton – 155.0 GSM
- Pre-mordanting: Aluminum triformate (cold mordant) to prepare the fiber for vegetable dyes
dyeing system
- Colorant: Lac Dye Extract
- Additive: Soda to activate the dye solution
Process parameters
- Method: Stain-Dye (local application or flat storage in dye solution without full immersion)
- Contact time: several hours to one day of wetting, depending on the area of application.
- Cure Phase: Resting phase to stabilize the dye binding before the final rinse
- Oxidation: natural color development through contact with air during and after the cure phase
- Final step: Rinse, then machine wash with mild detergent, followed by steam finishing and air drying.
Coloring page
- Pattern: irregularly distributed, cloudy formations
- Tonal values: pink to magenta gradations in varying intensity
- Structure: slight, localized pigment concentrations in more humid areas
Production
- Location: Cosmaki Natural Dyeing Studio, Cologne
- Date of dyeing: October 8, 2025
- Method: fully manual dyeing series
Notes
- Each piece develops a unique color pattern.
- Slight tonal changes may occur during use.
- Care: Wash separately or with similar colors for the first two washes, in cold or lukewarm water; use a gentle detergent.
- Details
- dyeing process
- Care
- 100% organic cotton blank
- Single coloring
- Small production quantity
- Made in Cologne
- Pre-washed
- Preparation with aluminium triformate (cold pickling)
- Use of natural dyes
- Hand-dyed
- Each batch may vary slightly.
- Wash separately or with similar colors for the first two washes.
- cold or lukewarm
- Liquid detergent for delicates
- No bleach
- The color may change slightly over time.
Dyeing series
Dyeing in small quantities
All T-shirts are dyed in small batches or individually. The dyes act directly on the fiber, making each piece a visible result of the respective dyeing process.
Studio in Cologne
Production on site
The dyeing process takes place at the Cosmaki natural dyeing studio in Cologne. Every step is done manually – from preparing the dye solution to the final washing and drying.
