The "FREE 4 Kids Sunscreens at Target after Cash Back" deal on Hunt4Freebies offers a full rebate on a purchase of four kids' sunscreens at Target, specifically for new TopCashback members. This offer involves purchasing the sunscreen via a special TopCashback link, then receiving a complete cash back of $15.78, making the sunscreens effectively free. The deal is available until April 29, 2024, or while supplies last.