Dr. Beckmann Pre-Wash Stain Remover 250ml:

The new formula is 3x more active which gives you pure strength. A special mixture of cleaning agents, stain removers and natural alcohol, capable of removing various types of stains, even the tough ones. However, it is gentle on colors and fabric materials, and is ideal for use with delicate fabrics. It does not contain any perfumes or any bleaching agents that may cause skin irritation.

How to use :

1- Apply the lotion to the stain or dirty collar.
2- Rub it with a brush.
3- Leave it to absorb the product for 10-15 minutes.
4- After that, wash it as usual.