Vials Various liquid filled vials- Picture Courtesy: iStock Vials are glass containers which are available in various sizes
That principle applies outside surgery too
Available from: Okawa M, Mishima K, Nanami T, et al

Functional Name Expiration date Function Name Expiration date Function Name Expiration date Function ADV Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Statistics Name Expiration date Function Name Expiration date Function Various Purpose pending investigation Various Purpose pending investigation Usage Sharing of data Data sharing is pending investigation Purpose pending investigation Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function Name Expiration date Function 7

Compare that to the process of drawing from a vial with a larger needle, switching to an injection needle, finding your site, and pushing the plunger while maintaining angle and depth
Systemic subcutaneous injection (abdomen, thigh) distributes the compound via circulation, potentially benefiting follicles across the entire scalp