Discover sun care at Rustan’s The Beauty Source’s. Find a selection of sun care from leading skin care brands. Spending a lot of time outdoors can cause premature aging of the skin, wrinkles and skin cancer, all due to overexposure to the sun. Always be prepared with the right sun care protection. Sunscreen with the right SPF serves as your first line of defense against the sun’s harmful rays. Sunscreens not only prevent your skin from dryness but also from damage in prolonged sun exposure.