Breathes life into your old underwear  Turns greying underwear up to 10 shades whiter* Whitening technology specifically designed for bras and lingerie. Out performs all other fabric whiteners on the market* Handwash solution for up to 6 garments. Works on : white bras, white knickers, white underwear, nylon/polyamide fabrics. Made in Poland. How to use: Fill a bowl with hottest tap water. Wearing rubber gloves, add the contents of both sachets to the water (the Activator and Whitener). Stir to dissolve the powders in the water. Immediately add your bras/garments (up to 6 garments). Wait 30 minutes, stirring regularly. Rinse, wash and dry as normal. Tips: Use Hottest tap water. Use both sachets at the same time. Stir regularly for 30 minutes.