The Best Keratin Treatment on the market. Experience the LASIO Keratin difference. Our Keratin Treatments are water-based spray-on formulas that work by infusing and coating damaged, dray, hair strands with keratin; replacing the broken protein bonds and strengthening with keratin. LASIO Keratin Treatments are all zero processing and same-day wash formulas. Our treatments soften and smooth the hair strands removing 100% of frizz while transforming damaged, dry, hair into a manageable, shiny, healthy hair. One Day Formula - Lasio One Day Formula is our universal formula. The One Day is an extremely lightweight formula that works well on all hair types. It's perfect for those seeking curl reduction, elimination of frizz, hair repair, and moisture. The One Day Formula is also infused with amber extract, a lightweight conditioner. Amber Extract contains antioxidants and conditioning properties that strengthen hair.