AI Blemish Removal

AI Blemish Removal was introduced in DaVinci Resolve 21 as an AI-powered skin-repair tool. Blackmagic describes it as a way to reduce superficial skin imperfections including acne, discoloration, spots, pores and other visible blemishes while retaining natural skin texture.

The captured Fusion Inspector is deliberately simple: the Controls tab exposes one dedicated parameter, Strength. That separates this node from Beauty, Ultra Beauty and Face Refinement workflows that provide multiple smoothing, texture-recovery or facial-region controls.

Strength adjusts the amount of Blemish Removal. Treat it as AI intervention intensity rather than a blur radius: as Strength rises, the model is allowed to suppress more of what it classifies as a skin imperfection.

Because the AI decides what looks like a blemish, the most important quality control lives in the Viewer rather than in a long Inspector. Check the actual defect together with normal pores, freckles, moles, wrinkles, facial hair, eyelashes, lips and the silhouette of the face.

Blackmagic specifically warns that the tool can become confused by intentionally dirty faces, giving soot on a firefighter as the example. This is a real production boundary: dirt, blood, camouflage, textured makeup and deliberate marks may be part of the character design rather than errors to remove.

Do not enable the node mechanically on every talking-head shot. First decide what the production considers a removable distraction and what must remain part of the subject's identity or the art direction.

The tool is particularly useful on close-ups and high-resolution material, where a small skin mark can become disproportionately distracting. On wider shots the visual benefit may be too small to justify additional processing.

For a natural result, begin with a low or moderate amount and raise Strength only until the distracting blemish stops attracting attention. The target is not to erase all skin structure but to remove a specific distraction.

The captured Resolve 21 Inspector shows Strength at 0.5. That is evidence of the captured UI state and a useful A/B reference, not a universal preset. The same value can be subtle on one shot and too aggressive on another.

Effect Mask acts as a spatial gate in Fusion. It does not tell the AI which mark is a blemish and does not provide a replacement texture; it only limits where the processed contribution is allowed to appear.

A mask is useful when the frame contains multiple people, patterned clothing, a complex background, or intentional dirt outside the intended cleanup area. Localize the treatment rather than forcing one compromise Strength across the full image.

If the face moves, the mask itself must remain attached to the intended area through a separate mask/tracking workflow. Do not attribute face-tracking controls to AI Blemish Removal when its dedicated Controls Inspector does not expose them.

AI Blemish Removal does not replace Patch Replacer, Paint/Clone or Object Removal. A large, geometrically complex defect, an edge crossing hair, or a repair that requires a deterministic source patch is usually better handled by a manual or patch-based tool.

It is also not equivalent to Beauty. Beauty and Ultra Beauty address broader skin treatment, smoothing and texture/detail recovery; Blemish Removal is a fast targeted AI cleanup with one main amount control.

Pipeline order matters. Strong sharpening before the node can turn compression and micro-texture into more prominent features, while heavy denoise may already remove the texture you are trying to preserve. Judge the node in the real processing chain, not only in isolation.

After cleanup, re-check sharpening and grain. A locally pristine skin region beside normal image noise or film grain can look like a patch even when the AI removed the original blemish correctly.

Temporal QC is mandatory. A clean still frame does not prove a clean video result; watch for popping, floating local texture, changing pores and instability during expression, head turns or motion blur.

Compare before/after across representative frames: a neutral face, stronger expression, motion, and the frame where the target blemish is most visible. One flattering reference frame is not enough.

If the face becomes artificial after only a small Strength increase, do not keep pushing the same tool. Back off and solve the remaining issue with a mask or a separate manual repair.

A strong production result is almost invisible as retouching: the viewer notices the person and performance rather than the cleanup. If 'processed skin' becomes the first impression, Strength or coverage is usually too high.