First remove a sheet from the pack with a clean dry hand, then, just add water to your Hair Conditioner Sheet and you can condition your hair like normal. Best hair conditioner for travel since it takes up very little room in your backpack or carry-on suitcase and is not subject to TSA 3-1-1 rules. Easy to pack, lightweight and easy to travel with, Hair Conditioning Soap Sheets are a convenient way to keep your hair looking shiny and healthy even when traveling far from home. Travel Fresh® with Conditioner Sheets. Packing conditioner for a flight or camping trip has never been easier than with these sheets. Each package holds 50 sheets and is so compact and portable it will fit in your pocket. Simply add water and the sheets dissolve into a fresh conditioner. Not subject to 3-1-1 and biodegradable.