Ampro PRO STYL Pre-Creme protects the scalp during chemical processing when applied properly. Ampro Pro Styl Pre-Creme for Sensitive Scalp is specially formulated for sensitive scalps. Directions: Check scalp carefully. If cuts, abrasions or irritations are present,? DO NOT proceed with any chemical processing. Apply thoroughly to scalp, hairline, forehead, ears and nape of neck before starting chemical processing.