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Is There Still a Risk of Tyndall Effect with Belotero if a person Fill their Tear Troughs?

There is minimal chance of the Tyndall effect with Belotero due to the way the gel is manufactured, making it one of the popular choices for tear trough filler. The gel has a low viscosity and cohesive structure that lets it spread thin and evenly under the skin, rather than sitting in a thick clump that scatters light and creates that bluish tint. That said, the product alone isn't the whole story. Injection depth and technique matter just as much, since filler placed too superficially can still cause discoloration regardless of which product is used. Most patients see a smooth, natural result with little to no bruising, and any swelling settles within a week or two. If you notice a bluish or gray tint under the skin after treatment, bring it up with your injector so it can be addressed.

Clinical Context

Belotero is manufactured with a smooth, cohesive gel structure that spreads evenly under the skin, which is thought to lower the chance of a bluish tint (Tyndall effect) compared with thicker fillers. This gel property is one reason it's popular for tear trough treatment. That said, how deep and precisely the filler is injected matters just as much as which product is used — a skilled injector placing filler at the right depth is your best protection against visible discoloration.

Answered By

Dr. Steven Williams

President Emeritus of ASPS

Dr. Steven Williams is a board-certified plastic and reconstructive surgeon, a diplomate of the American Board of Plastic Surgery, the Past President of the prestigious American Society of Plastic Surgeons, and a charitable person who dedicates his life to those in need of his unique expertise.

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