Kerasilk Repower Volume Blow-Dry Spray. For fine, limp hair. Blow-dry foundation with heat protection for instant combability, easy styling and a voluminous hair feel. With Keratin and Elastin. Technology The invigorating formulas, with Keratin and Elastin, actively interact with the hair’s structure They penetrate deep into the hair to strengthen it from the inside for enhanced resilience and elasticity For volumized, bodified and fuller looking hair from roots to tips — long-lasting.