Use SULCIN as a scalp-focused shampoo for periods when oily roots and visible flakes are a concern. Apply it mainly where flakes and oiliness occur: the scalp, hairline and root area. The lengths of the hair usually do not need the same level of active cleansing unless product buildup is present.
Follow the package instructions for how often to use it and how long to leave it on before rinsing. This is important because selenium sulphide shampoos are active scalp products, not ordinary cosmetic shampoos for casual overuse. Using more than directed is unlikely to give a better cosmetic result and may increase the chance of scalp or eye irritation.
Rinse thoroughly, especially around the hairline, ears and neck. Avoid contact with the eyes; if it gets into the eyes, rinse carefully with water. If your hair lengths are dry while your roots are oily, you can apply conditioner only to the mid-lengths and ends after rinsing, keeping richer products away from the scalp so they do not make the roots feel greasy faster.
If you use styling products, make sure they are rinsed out well, because buildup can make flakes and oiliness look more noticeable. During periods of stress, seasonal change or frequent styling product use, this shampoo may fit as the active step in a simpler routine while you avoid layering multiple strong scalp treatments at once.