Ay, kinikilala ko yan, Aqua Maris is safe naman for babies and a few of us mums have used it, it's just saline so walang harmful ingredients, perfect for clearing those tiny noses! Though honestly with a 3-month-old, better check with your pedia muna kung okay lang talaga for that age kasi basta sigurado, at they might also recommend other things depending kung gaano kalala ang sipon, like kung may fever or something, dapat talaga makita ng doctor. Sa amin, paracetamol or ibuprofen for fever, lots of breastmilk or formula para sa hydration, at humidity from a humidifier talaga ang sagot, pero yung Aqua Maris sure, try mo at makikita mo kung gumagana sa baby mo.