“…35,36 Injecting small aliquots of hyaluronic acid into large areas of the dermis (e.g., covering both cheeks, the entire face, neck, or décolletage in intervals of 2 to 6 weeks over three treatment sessions) has been shown to gradually improve cutaneous hydration, leading to enhanced skin turgor and firmness, [37][38][39] improvement in skin surface roughness and elasticity, [37][38][39][40] and neosynthesis of collagen. [37][38][39][41][42][43] Small amounts of gel are administered using a semirandom micropuncture technique (Table 14). Initially, two or three treatment sessions in a 4-week interval are usually required for maximal improvement, with a maintenance schedule of one session every 4 to 6 months recommended for sustained improvement in skin quality.…”