Blue-Grey Tint · Depth Decides · CityLink Mall
A blue-grey cast that appears under the eye after filler, and does not fade the way a bruise does, is usually the Tyndall effect: hyaluronic acid lying close enough to the thin lid skin to be seen. Here you will find how Dr Sin Yong tells it apart from a bruise or a dark circle, and how it is corrected.
This page is about colour: a blue-grey tint. For a lump or puffiness, or if you cannot tell which you have, begin with under-eye filler lumps, where the possibilities are separated.
Hyaluronic acid filler is a clear gel. On the bone or beneath the muscle, it has enough tissue over it that light passes through without visible change. Just beneath the lower-lid skin, among the thinnest on the body, the same gel sends the shorter, bluer wavelengths of light back towards anyone looking, and the area reads blue or grey.
The effect is named after the physicist who showed that small particles scatter blue light. An early report on managing it (Hirsch 2006) linked the bluish colour to hyaluronic acid placed too superficially. In a series of 1,452 tear trough treatments, the tint occurred in 3.3% of eyes (Wilde 2023).
Types
After filler, a blue or grey look under the eye has one usual cause and several lookalikes. Telling them apart matters, because hyaluronidase clears a tint only when shallow gel is causing it. Pressed gently, a Tyndall area may show a soft, bead-like edge.
Circles that were there before any filler are explained on dark eye circle types, and fullness without colour on under-eye filler swelling.
The Decision
At Atelier, the assessment begins with timing: when the filler went in, when the tint appeared and whether it has changed colour since. Dr SY examines the eye at rest and in expression and feels for the edge of a shallow deposit, so that a tint is not mistaken for a bruise or a dark circle.
When to wait. Colour turning from purple to yellow in the first fortnight is a bruise and fades. A Tyndall tint is different: the gel persists, so waiting usually does not help, and concealer hides the sign without touching the cause.
When to dissolve. Hyaluronidase is the enzyme that breaks hyaluronic acid down, so the gel behind the tint can be removed. A small test dose comes first, following published guidance (King 2018). The enzyme is then targeted at the superficial deposit rather than spread through the whole under-eye, and the tint usually fades as that deposit dissolves. Expect a day or two of swelling afterwards; no new filler goes in that day, and the eye is looked at again after two to four weeks. The sequence is on filler correction.
Afterwards. Any new filler, and how deep it would sit, is decided on its own merits once the area has calmed down; tear trough filler explains how it is placed at Atelier.
When it is not Tyndall. Pigment, vascular shadows and thin lid skin need plans of their own; for skin quality, see under-eye lines.
Safety
A tint alone is not dangerous and can wait for a booked assessment. These signs cannot.
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