Abstract: The present invention is a hollow needle for attachment to a syringe, through which a liquid can be delivered to the stratum granulosum and/or beneath the epidermis, preferably to an area consisting from the stratum granulosum (included) to reticular dermis (included) and more preferably beneath the papillary dermis during a cosmetic procedure, the needle comprising a distal tip and including a lateral aperture adjacent to the distal tip, wherein the liquid exits the needle via the lateral aperture, and wherein the needle is flexible. Apparatus comprising a needle of the invention and a syringe, and a method of use thereof, is also provided.