Calcium Hydroxyapatite and Poly-L-Lactic Acid in Hertfordshire

CaHA and PLLA main differences

Calcium Hydroxyapatite (CaHA) and Poly-L-Lactic Acid (PLLA) are both popular dermal fillers that are also skin boosters, each with unique characteristics.

 

Composition

CaHA contains microspheres of calcium hydroxylapatite, a mineral found in bones and teeth, suspended in a gel carrier made of water, glycerin, and carboxymethylcellulose.

PLLA is a synthetic, biodegradable polymer derived from lactic acid. It comes as a powder that is mixed with sterile water before injection.

 

Mechanism of action

CaHA gives immediate volume and structural support. The gel carrier adds initial volume, while the calcium microspheres stimulate collagen production over time.

Results last up to 12-18 months.

PLLA stimulates the body’s natural collagen production, does not give immediate volume. As PLLA particles dissolve, collagen gradually replaces them, leading to a slow increase in skin volume and thickness. Results develop over several months and can last up to 2 years.

 

Application

CaHA is suitable to add volume in areas like the cheeks, jawline, and hands. Great for moderate to severe facial wrinkles and folds. Gives a lifting and contouring effect.

PLLA is recommended for facial volume loss and correcting deeper lines like nasolabial folds. Often used as an alternative to tear trough filler. Best for generalised facial volume loss due to aging or lipoatrophy. Primarily for overall volume restoration rather than precise contouring.

 

Technique

CaHA is injected with a cannula. Precise placement is important to avoid lumps or granulomas.

PLLA is injected into deeper dermal or subcutaneous layers. Requires 2-4 sessions spaced several weeks apart. Proper dilution is necessary to avoid complications like nodules.

 

Side effects

CaHA common side effects are swelling, bruising, and redness at the injection site. Rare risk of granuloma formation.

PLLA similar common side effects as CaHA. Slightly higher risk of nodules if not properly diluted.

CaHA and PLLA are both effective for facial rejuvenation but address different needs. CaHA is great for immediate contouring and stimulates collagen over time. PLLA gradually increase volume with long-term collagen production. Your choice between the two depends on whether you want immediate results or a gradual improvement in facial volume.

We welcome clients from Hertfordshire area including Stevenage, Cheshunt, Hatfield, Hertford, Ware Broxbourne and all the surrounding areas. Contact us today to book your appointment.