Fitting easily into cabin baggage or an expedition pack, our Trek & Travel Liquid Shampoo helps keep you hair clean and shiney. The made-to-travel, leak-proof bottle is airline friendly and the phosphate-free formula is environmentally friendly.. . . . . Tough bottle with a tight sealing lid so it's safe in your luggage or pack. Super concentrated formula. Light green tea fragrance. TSA Carry-on compliant. | Sea To Summit Trek & Travel Liquid Conditioning Shampoo