Dilutable instant fixer that also conditions the hair. No dwell time required. Suitable for normal and processed hair. Instant fixer for all perming liquids. No dwell time required. The fixer binds hair impurities. Suitable for normal and processed hair. Unscented and vegan. Developed and produced in Finland. SensiPerm is a line of perming products designed for professional use that allows you to create soft, natural-looking and vibrant curls. The curling iron reshapes the sulfur bonds in the hair, while strengthening the hair structure and repairing and preventing damage to the hair cuticle. When chemical curls are done without unnecessarily stressing the condition of the hair, the end result is curls that not only look good, but also feel natural and soft.