Long hair. Endless possibilities. Marc Anthony Grow Long Super Fast Strength Leave-in Conditioner with Caffeine, Ginseng, and Vitamin E on your side, this leave-in Conditioner gives hair the moisture and strength it needs to help reduce split ends and breakage - and reduce cuts we might add. The extra detangling formula makes combing long hair a breeze. Formulated to help you achieve those perfect lengths, without limits.