Volume lashes are one fan of lashes per natural lash. (9D-15D) Fans can contain nine to fifteen lashes per fan depending on the diameter of the lash extension. Volume Lash Extensions using only the highest quality products; premium lashes, sensitive-based lash adhesive, hypo-allergenic collagen-infused vegan eye pads, hypo-allergenic water-based primer, and hypo-allergenic tape. We also offer several alternatives for those that are still sensitive to the collagen pads and/or tape.