40% Phosphoric Acid. Please note that with all House Brand products, quality is our highest priority. However due to the nature of House Brand titled products, please note that products may vary from photographs. Perfect consistency for effortless handling. For various restorations. Color vibrance boosts visibility. Precise, angled tips. Joy-Etch Etchant Gel is a 37% phosphoric acid formulation, ideally used to prepare the dentin and enamel before bonding any dental restorations by producing a perfect surface pattern for adhesion. It highlights a consistency for effortless handling and working.It stays in place, effectively avoiding running onto exposed tissue. The etching gel features a non-staining, blue tint for visibility and rinses off easily without leaving any residue.Delivered from convenient syringes with pre-bent applicator tips, Joy-Etch ensures precise placement for more targeted applications.