Injectable treatments are the most widely performed aesthetic procedures in the US, and for good reason — they produce noticeable, reversible results with minimal downtime when performed by a skilled clinician. This guide covers what the main categories are, how to choose between them, and what questions to ask at your consultation.
Neuromodulators temporarily relax the muscles that cause dynamic wrinkles — the lines you see when you move your face. The most common treatment areas are the forehead, the '11' lines between the brows, and crow's feet. Results last 3–4 months on average. All three major brands (Botox, Dysport, Xeomin) use botulinum toxin type A; the meaningful difference is in formulation, dilution, and how quickly they take effect. Dysport typically kicks in 1–2 days faster. The choice between brands matters less than your injector's experience.
Fillers add volume, smooth wrinkles, and reshape contours by physically occupying space under the skin. Hyaluronic acid (HA) fillers — Juvéderm, Restylane, RHA — are the most common and can be dissolved with hyaluronidase if needed. Other categories include Radiesse (calcium hydroxylapatite, thicker and not reversible) and Sculptra (poly-L-lactic acid, a biostimulator that builds collagen gradually). Duration varies: lips 6–12 months, cheeks 12–18 months. A good injector reviews your existing filler history and tells you when you don't need more.
Biostimulators — Sculptra, Radiesse used off-label, and newer products like Renuva — don't add volume directly. Instead, they trigger the body's own collagen production. Results build over weeks to months and last longer than HA fillers (2+ years for Sculptra). They require patience: you won't see final results at the 2-week follow-up. Best suited for patients with gradual facial volume loss who want a natural, longer-lasting result rather than immediate correction.
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