Goldwell Kerasilk Instant Silk Fluid is a highly concentrated leave-in formula for all hair textures. The Kerasilk Instant Silk Fluid instantly smoothes and restructures the hair. The ultra-light care formulation contains UV-filters to protect from damaging external stress and Vitamin E to nourish, making hair manageable and with a silky shine. Goldwell Instant Silk Fluid is perfect for at home or in the salon. Finish your clients with Instant Silk Fluid to revive dry, dull hair...instantly.