Tetrapeptide-3 is a widely researched compound that shows remarkable results in promoting the repair and regeneration of hair follicle cells. This amazing ingredient is able to effectively stimulate hair follicles, thereby helping eyebrows and hair to resume their natural growth cycle. By enhancing the vitality of hair follicles, Tetrapeptide-3 not only helps prevent hair loss, but also makes existing eyebrows and hair thicker and healthier. In addition, it improves blood circulation in the scalp, providing adequate nutrients to the hair follicles, which further promotes healthy hair growth.