Yes, you can take 100g of cream in your carry-on luggage in 2026, but it must strictly follow the 100ml / 3.4oz limit for liquids, aerosols, and gels. In the eyes of airport security, "cream" (whether it's face cream, sunblock, or food-grade cream) is classified as a liquid because it is spreadable. To be permitted, the cream must be in a container that is labeled as 100ml / 100g or smaller; if you have a 200g jar that is only half-full, security will likely confiscate it. Furthermore, all your 100ml containers must fit comfortably inside a single, transparent, quart-sized (1 litre) resealable plastic bag. Some European airports with new CT scanners (like London City or Teesside) may allow larger quantities, but the general global rule for 2026 remains the "3-1-1" standard to ensure you don't face issues at connecting hubs or during international transits.