The present invention relates to a method of delivering high Sun Protection Factor (SPF) and UVA protection factor (UVAPF) to a topical surface of a body preferably the human body. The method more preferably provides for synergistic benefit of SPF and UVA PF over and above that which can be delivered through each of two individual steps carried out sequentially viz. washing off the skin with a specific cleansing composition followed by the step of applying a sunscreen composition on to the same skin surface. The specific cleansing composition comprises water soluble sunscreens but the leave-oncomposition could comprise any sunscreen.