Capasal Therapeutic Shampoo (250ml). Capasal Therapeutic Shampoo is a treatment for dry, scaly scalp conditions such as:. Seborrhoeic Ezema/Seborrhoeic Dermatitis (patches of red, scaly, itchy skin). Severe Dandruff. Cradlecap a thick yellowish scaly scalp rash in babies and infants. Psoriasis areas of raised red sometimes itchy patches of skin covered with silvery scales without any blistering or tenderness.. Also can be used to remove other medicines applied to the scalp.. Three active ingredients:. Salicylic acid to remove scaly flaky skin.. Coconut oil to soften moisturise and lubricate the scalp.. distilled coal tar to stop itching and restore normal skin development.