A completely natural and cruelty free eyelash enhancer serum made of a carefully curated blend of essential oils. Castor oil has been used throughout history to promote natural hair growth. Rosemary oil is believed to help naturally stimulate hair growth. At Beauty Guru, we believe in transparent beauty products created with simple ingredients at a fair price. Our ingredients list is always simple, and all our products are 100% pure and natural. No fragrances, no preservatives.