i. 12 months for Hyaluronic acid fillers (e.g. Restylane) ii. 12 months for Ca Hydroxyapatite fillers (e.g. Radiesse) iii. 24 months for Poly-L-Lactic acid fillers (e.g. Sculptra) iv. Ever for permanent fillers (e.g. Silicone, ArteFill) c. Neurotoxins within the past three months; d. Ablative resurfacing laser treatment; e. Nonablative, rejuvenative laser or light treatment within the past six months; f. Surgical dermabrasion or deep peels; g. Any history of contour threads.