Evaluate the Evolution of Body and Scalp Skin Discomfort in Patients With Hereditary Ichthyosis After Wraps (EnvelopIchtyose)

"The topical treatment that will be used in this study are:~* For the body, an emollient cream with a high lipid content: Cold cream~* For the scalp and feet, an emollient preparation with keratolytic action: 10% or 30% urea, depending on the scalp and feet damage~Each of the 3 treatments (body, scalp and feet) will be carried out as follows:~* Application of different topicals all over the body and face, after taking a lukewarm therapeutic bath of 20 minutes~* Occlusion by wrapping the patient in a plastic film, then covering with a blanket~* After 1 hour, the unabsorbed excess cream is removed with a towel"