Splat Glossy Sauce Demi-Permanent Clear Gloss Hair Color $18 Buy Now on amazonAfter swimming in the ocean and pools all summer, my hair has been through it, so an at-home treatment like Glossy Sauce is exactly what I needed. You can apply it to damp hair for a softer, subtle finish, or dry hair for a more deep-conditioning effect. I was a little nervous about how it would work on my fine hair, so I applied it to damp, almost dry hair and was so happy with the outcome. You can apply it to damp hair for a softer, subtle finish, or dry hair for a more deep-conditioning effect. To test this at-home gloss treatment, Jessie mixed the gloss and developer in the included bottle applicator, then applied to almost dry hair.