Did U Know Castor Oil and Carrots work wonders…? Posted by caribdirect | Jul 5, 2012 | Did U Know...?, Health & Fitness, How Caribbean R U? | 0 | Castor oil Castor Oil– is a valuable hair conditioner, and is very effective for stretch marks, applied at night combats wrinkles. Carrots Carrots – have a high content of Vitamin A, B1 and Potassium Salts, are excellent for stomach acidity and heartburn.