Sof n Free n Pretty Olive Oil Detangler for tames, tangles and knots. SofnFree N Pretty Olive Oil Detangler is a non greasy, leave in detangler will make even her toughest tangles and knottiest knots surrender without a fight. SofnFree N Pretty Olive Oil Detangler is made with a generous dose of pure olive oil, it will prevent damage, encourage growth, and even, miraculously, make her smile.