Soulrenity JBeauty’s Nourishing Hair Growth Oil- Prevent Hair Loss. Our hair oil is designed to promote hair growth, reduce thinning, stimulate blood flow to the scalp, and prevent hair loss. Regular use improves circulation, resulting in healthier, stronger hair over time. To use, apply a few drops directly to the scalp and gently massage for several minutes. For best results, leave the oil in for at least 2 hours before washing out. Use 2-3 times per week for optimal results.