When Can Babies Wear Sunscreen? Why the Answer Is 6 Months
Every new parent's panic question, answered — the real medical reasoning behind the 6-month rule and the narrow exception.
The FDA and the American Academy of Pediatrics advise keeping infants under 6 months out of direct sun and relying on shade and clothing rather than sunscreen, because babies' thinner skin is more prone to irritation and absorption; only small amounts of mineral sunscreen should be used on tiny exposed areas when shade isn't available.
The FDA and pediatric dermatology guidance both emphasize that an infant's thinner skin absorbs more and irritates more easily, which is why physical measures — shade, hats and clothing — are the default for babies under six months rather than routine sunscreen.
Questions we get a lot
Can I put sunscreen on a baby under 6 months?
Generally no. The FDA and AAP advise keeping infants under 6 months out of direct sun and using shade and clothing rather than sunscreen. The exception is that small amounts of mineral sunscreen may be applied to tiny exposed areas, such as the face and backs of the hands, when shade isn't available. Physical protection comes first.
Why is sunscreen discouraged for young babies?
Babies under 6 months have thinner skin that is more prone to irritation and to absorbing ingredients, according to the FDA. That higher absorption and sensitivity is why guidance favors shade, hats and clothing over routine sunscreen. The goal is to minimize both UV exposure and unnecessary product on delicate skin.
How should I protect a young baby from the sun instead?
The American Academy of Dermatology recommends keeping infants in the shade, dressing them in lightweight protective clothing and a wide-brimmed hat, and avoiding peak sun hours. These physical measures are the primary line of defense before 6 months. If a small area must be exposed and shade isn't available, a little mineral sunscreen is acceptable.
r/NewParents: 'It's our first summer with a 4-month-old — can I put sunscreen on her, or is that a no?'