Boost your spray tan solution to make is DARKER. 36% DHA Booster Drops......Add just 3 drops per 100ml to boost your solution up by 1% The average bottle will have approx 30 drops. Spray Tan Solution Booster Drops 30ml£8.50PriceQuantity*Add to CartIngredients: -Aqua, Dihydroxyacetone, Glycrine, Propylene Glycol, Diazolidinyll Urea,Polysorbate 20, ci16035, parfum, Hydroxypropylcellulose, Aloe Barbadensis, ci19140, ci42090, Citronellol, Linalool, Geraniol, Coumarin.Advisory: -If you have not used this product before please patch test.