Onion Skin dye

With the vegetable dyeing methods it is easy to create natural dyes that are fixed with mineral compounds: iron, copper and alum etc … The color is extracted from any vegetable and cooked with minerals and unimaginable shades are achieved. The fabrics will be resistant to subsequent washing, but should be kept where the direct sun does not arrive.


  • Onion skin 20g
  • Silk fabric 25-30g
  • Water 4L
  • Alum rock 6g (2 cucchiaini)
  • One pot for 5L


1.Before dyeing, immerse the worked fabric in water for 15-20 min. Put 2 teaspoons of rock alum and add 50 ml of white vinegar. Heat it and melt over low heat. So the mordant is ready.

2.Boil the water in pan 1 and put 2 teaspoons of the alum mordant. After boiling, immerse the fabric in pan 1 and leave for 30 min on low heat, stirring constantly.

3.Prepare pot 2, put 20g of skins and pour 4L of water and boil 30 min.

4.After 30 min, filter the skins and soak the fabric
  worked and cook about 30 minutes on low heat.
  It should be mixed often so that the colors come in
  well and also not to burn the fabric.

5.After 30 min, turn off the heat and leave it a few
  hours until the water has cooled so the colors
  they hold more.

6.After it has cooled, pull it and put it back in pan 1 and add a teaspoon of mordant and cook for 20 minutes on low heat, stirring it continuously.

7.After 20 min, remove it and remove the tools and rinse it well with running water and soap. Prepare 2L of the water and add 30 ml of white vinegar and soak the colored fabric and leave to rest for 20 min. After 20 min, rinse it and lay it out of direct light and dry it. Iron with low iron (40 ° c).

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