Osmo Effects Straighten Up is a revolutionary new Keratin based semi–permanent straightening complex that works with styling irons to transform curly, frizzy, unruly locks into sleek, smooth, visibly straighter styles whilst retaining hair's natural moisture.
Spray evenly over damp or wet hair, section by section avoiding the root area. Comb through. For best results blow dry hair with a large barrel brush. Finish by using straightening irons in sections. Effects last up to 3 days or until your next shampoo.