⚠️- NOT FOR HUMAN CONSUMPTION -⚠️
Product Description
Both listings contain the exact same high-quality, premium-grade Mimosa Hostilis Root Bark (MHRB). The only difference is the cut.
• Extra-Fine Shredded = processed through multiple shredding stages to achieve an finer shredded texture.
• Standard Shredded = processed for a shorter time, resulting in a slightly coarser shred.
The quality, origin, and overall characteristics are identical. You’re simply choosing the shred style that works best for your needs.
The MHRB shown in the images and videos is from the same batch and stock as our standard product, just further processed to save time and reduce manual effort. 
All UK orders are sent free on a tracked 24 delivery 
50g - £22.501 
100g - £34
250g -  £53
500g - £80
1kg - £140
1.5kg - £205
2kg - £250
3kg - £365
4kg - £470
5kg - £550
10kg - £1,050
15kg - £1,500
20kg - £1,950
25kg - £2,350
30kg - £2,700
35kg - £3,100
40kg - £3,500
45kg - £3,800
50kg - £4,150
75kg - £5,700
100kg - £7,400
REFUND & RETURNS POLICY
Organic Dyes UK -
Return & Refund Policy
Eligible refunds ⤵️
 
Refunds are accepted for pre-orders, lost parcels (confirmed by courier), or product quality dissatisfaction.
Items must be unused and returned.
Any missing weight will be deducted from the refund.
Requests must be made within 14 days of delivery or 14 days after pre-order dispatch.
All refunds are manually reviewed.
Use our refund request form to apply.
INTERNATIONAL CLAIMS
claims are only eligible for the value/price paid for the product, 
NOT the shipping fee.
INTERNATIONAL SHIPPING FEES ARE NONE REFUNDABLE.
 
(PLEASE READ OUR FULL DETAILED POLICIES ON THE WEBSITE HOME PAGE)
Mimosa Hostilis root bark produces deep purples, rich pinks, and reddish-browns on natural fabrics. The final colour depends on the fibre type, pH, and mordant used
 
How to Ice Dye with Mimosa Hostilis
 
1. Prepare the Fabric:
 
- Use natural fibers like cotton, silk, or wool, as Mimosa hostilis binds best to these.Pre-wash the fabric with a product like Synthrapol to remove oils and impurities for even dyeing.
 
- Mordant the Fabric:
Mimosa hostilis has natural tannins that act as a mild mordant, but for vibrant, long-lasting colors, pre-treat the fabric with a mordant like alum (potassium aluminum sulfate, 1.75 tsp per pound of fabric) or iron to enhance colorfastness and vary hues. Soak the fabric in the mordant solution for 1 hour, then rinse.
 
2. Set Up for Ice Dyeing:
 
- Soak the fabric in a soda ash solution (1 cup per gallon of water) for 15-30 minutes to increase pH, which helps the dye bond. Alternatively, adjust pH with vinegar or other modifiers if desired, as Mimosa hostilis is pH-sensitive.
 
- Scrunch, fold, or tie the fabric (using tie-dye techniques) and place it in a container or on a rack over a drip tray.
 
- Cover the fabric with a layer of ice cubes.
 
3. Apply the Dye:
 
- Prepare Mimosa Hostilis Dye: Simmer MHRB powder or shredded bark (1:3 ratio of powder to water by weight) in water for 1-2 hours to extract the dye. Strain the liquid to remove solids, or use the powder directly for ice dyeing.
 
- For ice dyeing, sprinkle MHRB powder directly onto the ice, or drizzle the prepared dye liquid over the ice. The powder is more common in ice dyeing for natural dyes, as it dissolves slowly as the ice melts, creating gradient effects.
 
- Use multiple colors by combining MHRB with other natural dye powders (e.g., madder root or indigo) for varied patterns.
 
4. Let the Ice Melt:
 
- As the ice melts, it slowly carries the dye into the fabric, creating soft, watercolor-like patterns. This can take 6-12 hours, depending on the ice volume and room temperature.
 
- Cover the container with plastic wrap to retain moisture and enhance dye penetration.
 
5. Fix and Rinse:
 
- Let the fabric sit for 12-24 hours to allow the dye to bond fully.
 
- Rinse thoroughly in cool water until the water runs clear. Use Synthrapol in hot water to remove excess dye and prevent staining.
 
- Air dry or heat-set the fabric
(e.g., ironing) to improve colorfastness.
 
KEY CONSIDERATIONS ⤵️
 
- Color Results:
Mimosa hostilis typically produces reds, purples, browns, or pinks, but results vary based on mordants (alum for reds, iron for darker purples), fabric type, and pH. Ice dyeing may yield softer, less vibrant hues compared to traditional dye baths due to the diluted application.
 
- Lightfastness:
The dye is fairly resistant to fading but may lose vibrancy with prolonged sunlight exposure. Store dyed items away from direct light or use UV protectants.
 
- Pattern Effects:
Ice dyeing with MHRB creates subtle, organic patterns rather than the bold, defined designs of synthetic dyes. The high tannin content (10-16%) can lead to deeper, more complex hues but may not split into multiple colors like synthetic dyes.
 
- Sustainability:
MHRB is eco-friendly, biodegradable, and non-toxic, making it ideal for sustainable dyeing. Use ethically sourced bark to support regenerative harvesting.
 
- Challenges:
Ice dyeing with natural dyes like MHRB can be less predictable than synthetic dyes. Test on small swatches first, as the dye’s intensity and spread depend on ice melting speed, powder concentration, and fabric absorbency.
⚠️- NOT FOR HUMAN CONSUMPTION -⚠️