Dr. Beckmann Glowhite Whitening Booster is a high performance powder additive that boosts the efficacy of any laundry detergent. Its powerful chlorine bleach free formula brightens whites up to 40 % more than using detergent alone, without harming your garments. Targeting over 100+ different types of common household stains, providing a deep, hygienic clean to your white laundry. Glowhite Whitening Booster is effective even at low temperatures washes from 20 °C, helping you to save energy in every cycle. Also free from perfumes and chlorine bleach. HOW TO USE IT: Washing machine: Add 25g (heaped tablespoon) of powder to detergent drawer. For maximum whitening and stain removal add 50g (2 heaped tablespoons) of powder. Soaking: Fully dissolve 50 g (2 heaped tablespoons) in 4L of hot water. For tough stains add 100g (4 heaped tablespoons). Put laundry loosely in water, leave for up to 1 hour then wash or rinse well. 1 spoon = 25 g; IMPORTANT INFORMATION: Always follow fabric care instructions Don't apply powder directly onto fabric For all white fabrics except wool and silk Reseal pack after use Store in cool, dry place Eco Contribution; Works from 20 °C - saving energy and money every wash cycle; 0 % perfumes; 0 % chlorine bleach; Recyclable packaging - less plastic* (*Less packaging weight than plastic tubs with a comparable number of usages.); Vegan