Dark Hard builder gel- gel of medium-thick consistency, self-leveling- all gels are well pigmented and cover the free edge- it is convenient to work with long nails- does not cause strong burning in the lamp- strong- holds the arch wellFeatures of work:1. We prepare the nail plate with a file of 180/240 grit (pterygium, remover and moisture should not remain on the nail)2. Degrease well3. For adhesion, apply Dark Scotch base (or any other Rubber Base) in a thin layer to the entire nail plate close to the cuticle and to the side ridges.Remove the sticky layer from the Dark Scotch base before applying the gel.4. Strengthen or model nails with Dark Builder Gel5. The polymerization time is 90 seconds, at a power of 48 W* IF you PERFORM strengthening - be sure to file your nail at least 1 mm from the inside so that there are no liftings from the free edge.All DARK solid materials are NOT acidic