What is the difference between Dermatix® and Dermatix® Ultra?. DERMATIX ULTRA SILICONE GEL 15G - NEW&SEALED USED BY SEP. 2026. Dermatix® Ultra gel can only be applied to clean, dry skin. Softly massage a small amount of Dermatix® Ultra into the scar; wipe off excess gel with a napkin so as not to stain the clothes.
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