Brovi & Olga Goldfarb RichBtch SetA set of mineral based brow pigments created for standout healed results. It includes three inorganic pigments that can be blended or used individually, are compatible with all skin tones and brow techniques, and require no diluter. Technique Tips: Use soft pendulum strokes at 4. 55. 5 V. Needles: MT LT, 0. 300. 35 mm. For color temperature adjustment: Cool, dense, or dark skin: use red Freckled skin: mix red + yellow ochre 1: 1 Red rosacea prone