Vencil Hairtonic Extra Lotion 100ml? Vencil hairtonic?toning lotion aims, with its rich composition, at the scalp hair roots of men and women to treat seasonal or hereditary hair loss as well as androgenetic alopecia. Without making hair greasy and weighing it down, it offers daily enhancement of the function of the hair root and accelerates the growth of healthy new hair. It has a hypoallergenic composition and does not contain parabens.