The beauty world’s current obsession with castor oil might feel like a modern trend, but this heavy-duty botanical has been a cosmetic staple for centuries. While it frequently pops up in viral hair and skincare hacks, its true value lies in how it functions as a deep moisturizer and formula enhancer.What Dermatologists Say About the Benefits Deep Hydration and Softening: Castor oil acts as an effective skin-conditioning agent. According to California-based dermatologist Dr. Cynthia Bailey, i...