The Round Lab Baby Mild Sun Stick SPF50+ PA++++ 21g is a gentle, easy-to-apply sunscreen designed especially for babies, children, and those with sensitive skin. Its soothing formulation offers strong, broad-spectrum UV protection while maintaining a soft, non-greasy finish. Convenient and portable, this sun stick is perfect for on-the-go application, ensuring delicate skin stays safe and hydrated under the sun.ano mineral sunscreen that won’t absorb, even delicate baby skin can be gently protected.