This Birthday Cake bath bomb is the perfect gift for your bathing bestie's birthday! It smells of delicious buttercream icing, not too sweet but just right. Grab your favourite candle, that book you've been meaning to read for weeks now and a hot cup of tea. Draw yourself a nice warm bath and get ready to indulge in the nourishing oils of this moisturizing bath bomb. How to Use: Draw yourself a bath and get in there! Pop this bath bomb into the tub and watch while it fizzes.