Hyaluronic Acid
Hyaluronic acid is the most common filler. HA injection is used to increase volume and keep the skin hydrated. Results from HA fillers usually last about one year.
CaHA
Calcium hydroxylapatite (CaHA) is a naturally occurring substance that exists in the bone. CaHA injection is used to add fullness to the cheekbones and smoothen deep lines and wrinkles. Results from CaHA fillers usually last about 15 months. Radiesse® is one brand that uses CaHA fillers.
PLLA
Poly-L-Lactic acid (PLLA) is a synthetic substance that stimulates your body to produce its own collagen. PLLA is used to treat deep wrinkles on the cheek. Results from PLLA fillers usually last two years or more. Sculptra is the only FDA-approved PLLA in the market.
