Maria's video review of the Brush & Sponge Cleansing Gel by .Real Techniques. highlights its effectiveness in deep cleansing brushes. She recommends using a cotton swab to clean brush tips for a thorough clean. The gel is specifically designed to remove makeup residue and impurities from brushes and sponges. The key benefit of this product is its ability to cleanse deeply, ensuring that brushes and sponges are free from bacteria and buildup. However, the video does not mention any potential drawbacks or limitations of the product. Overall, the Brush & Sponge Cleansing Gel by .Real Techniques. is a reliable option for those looking to maintain the cleanliness and longevity of their makeup tools.