Good Naturally Leave-N Detangling Conditioner Leave-In Conditioner is the best Leave-In Conditioner for type 4a, 4b & 4c hair hair. Our slippery formula instantly moisturizes, softens and conditions, while loosening tangles and knots. Argan Oil is nutrient-rich and oil pressed from the seeds of the fruit of Morocco’s native Argan tree. Olive Oil is also whipped into this hydrating, detangling treatment. Hydrates and smoothes hair while promoting healthy growth. Helps deeply quench, nourish, and soften strands to make combing a breeze. Smoothes the cuticles, repairs damage and reduces breakage.