London Tattoo Shop Guide
Menu

What is a tattoo blowout?

A tattoo blowout is ink that spreads uncontrollably into the layer below the dermis during tattooing, causing lines to blur or distort as the ink disperses through the skin.

A blowout happens when tattoo ink migrates into the subcutaneous tissue beneath the dermis (the layer where tattoos should sit). Instead of staying contained in the dermis, ink disperses outward and downward, creating a fuzzy or smudged appearance around the intended line or design. The result is a blurred edge that can make fine detail collapse into the surrounding area.

The main cause is needle depth. If a needle penetrates too far into the skin, it pushes ink past the dermis into fatty tissue below. This can occur due to artist error, incorrect machine settings, or pressing too hard during application. Skin quality matters too; thin or loose skin over certain body areas is more prone to blowout. Scarring from previous work can also increase the risk.

Blowouts are often confused with natural ageing of a tattoo. As tattoos age, ink particles can shift slightly and lines soften, which is normal. A true blowout is visible much sooner, usually within days or weeks after the session. The edges appear distinctly fuzzy rather than gradually softened, and the spread is obvious when compared to the stencil outline the artist used. Blowouts are permanent and cannot be fully corrected, though cover-ups or reworking may mask the damage depending on severity and location.