There are If you notice that your skin looks blue after dermal filler injections there are 3 possible explanations.Bruising: This is usually seen straight after your fillers, alongside swelling and tenderness.Tyndall effect: Occurs when dermal filler is placed to shallow.Vascular occlusion: This very rare side effect occurs in the first few days after dermal fillers. It can result in permanent skin injury, and we must treat it quickly with filler dissolving.