#4 Lotion: Coppertone WaterBabies SPF 50 Lotion Little ones need the strongest protection, and Consumer Reports suggests this Coppertone WaterBabies SPF 50 Lotion ($8), as it's gentle, non-irritating, and won't feel rough against baby soft skin. Coppertone WaterBabies SPF 50 Lotion $8 from walmart.com Buy Now