Get Fuller Looking, Beautifully Styled Brows in Seconds If you love the soap brow trend, then we’ve got the perfect product for you! Permalash Brow Soap is the easy way to create seriously fluffy, on-trend brows. Our hypoallergenic formula is vegan, organic and lasts for up to 24 hours if you don’t get your brows wet. You can use our brow soap alone for a naturally full look, or on top of eyebrow tint and make up for perfectly shaped and groomed brows. It’s also the perfect product to use if you’ve had a brow lamination and want to keep your brows looking salon-perfect! Permalash Brow Soap is must-have item for any makeup bag. How to Use Permalash Brow Soap Permalash Brow Soap is easy to use, allowing you to create the brushed-up soap brows of your dreams in an instant.