Inavinate on Instagram: "Blowing out birthday candles seems harmless, but it can actually be risky if you’re not careful. When you blow forcefully, hot wax can splatter, flames can flare sideways, and lightweight decorations or loose hair can catch fire in an instant. In some cases, the rush of air even spreads melted wax onto skin, causing small but painful burns. There’s also a hygiene factor many people overlook. Blowing directly onto a cake sends saliva droplets across the frosting, which is